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289                        MY BLOG
290                    
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293                    <div class="description center-align">
294                    
295                        所谓觉悟,就是在黑暗的荒野上开辟出一条理当前进的光明大道
296                    
297                    </div>
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349                        <div class="dream">
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352        <i class="fa fa-lightbulb-o"></i>&nbsp;&nbsp;一言
353    </div>
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369                        
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375<div class="title"><i class="fa fa-thumbs-o-up"></i>&nbsp;&nbsp;推荐文章</div>
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389                <a href="/2019/03/18/2019-3-18-hang-shi-da-acm-you-ji/" target="_blank">
390                    <h3 class="post-title">2019 3 18 杭师大ACM游记</h3>
391                </a>
392                <p class="post-description">
393                    
394                        杭师大ACM总结只有两个人打个球球啊因为只有两个人所以题都没开完,题目翻译比别的组慢了不知道多少,讨论聪明题的时候也少一张口胡爷的嘴巴
395T1
396                    
397                </p>
398                <a href="/2019/03/18/2019-3-18-hang-shi-da-acm-you-ji/" target="_blank" class="read-more btn waves-effect waves-light" style="background: linear-gradient(to right, #FF5E3A 0%, #FF2A68 100%)">
399                    <i class="icon fa fa-eye fa-fw"></i>阅读更多
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414                <a href="/2019/02/21/hello-world/" target="_blank">
415                    <h3 class="post-title">hello world</h3>
416                </a>
417                <p class="post-description">
418                    
419                        本博客建于2019 2 21主要更新题解和算法学习笔记欢迎交换友链!
420
421                    
422                </p>
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430
431</div>
432
433
434                    </div>
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436            </div>
437        </div>
438    </div>
439    
440
441    
442
443    <!-- 所有文章卡片 -->
444    <article id="articles" class="container articles">
445        <div class="row article-row">
446            
447            <div class="article col s12 m6 l4" data-aos="zoom-in">
448                <div class="card">
449                    <a href="/2019/06/30/za-ti-jing-xuan/">
450                        <div class="card-image">
451                            
452                            
453                            <img src="/medias/featureimages/1.jpg" class="responsive-img" alt="杂题精选">
454                            
455                            <span class="card-title">杂题精选</span>
456                        </div>
457                    </a>
458
459                    <div class="card-content article-content">
460                        <div class="summary">
461                            
462                                由于某些题目年代过于久远,代码不再附赠
463Walk给定n个点m条单向边,边权为1每个点有一定的点权,点权在2^20以内若vali&amp;va
464                            
465                        </div>
466                        <div class="publish-info">
467                            <span class="publish-date">
468                                <i class="fa fa-clock-o fa-fw icon-date"></i>2019-06-30
469                            </span>
470                            <span class="publish-author">
471                                
472                                <i class="fa fa-bookmark fa-fw icon-category"></i>
473                                
474                                <a href="/categories/题解/" class="post-category" target="_blank">
475                                    题解
476                                </a>
477                                
478                                
479                            </span>
480                        </div>
481                    </div>
482
483                    
484                    <div class="card-action article-tags">
485                        
486                        <a href="/tags/题解/" target="_blank">
487                            <span class="chip bg-color">题解</span>
488                        </a>
489                        
490                    </div>
491                    
492                </div>
493            </div>
494            
495            <div class="article col s12 m6 l4" data-aos="zoom-in">
496                <div class="card">
497                    <a href="/2019/06/18/618-mo-ni-sai/">
498                        <div class="card-image">
499                            
500                            
501                            <img src="/medias/featureimages/8.jpg" class="responsive-img" alt="618模拟赛">
502                            
503                            <span class="card-title">618模拟赛</span>
504                        </div>
505                    </a>
506
507                    <div class="card-content article-content">
508                        <div class="summary">
509                            
510                                T1过于沙雕,直接跳过
511T2有一棵二叉树,我们定义如下:每个结点都有两个孩子:左孩子与右孩子;如果结点的值为整数 X,那么左孩子的值为 2X
512                            
513                        </div>
514                        <div class="publish-info">
515                            <span class="publish-date">
516                                <i class="fa fa-clock-o fa-fw icon-date"></i>2019-06-18
517                            </span>
518                            <span class="publish-author">
519                                
520                                <i class="fa fa-bookmark fa-fw icon-category"></i>
521                                
522                                <a href="/categories/模拟赛总结/" class="post-category" target="_blank">
523                                    模拟赛总结
524                                </a>
525                                
526                                
527                            </span>
528                        </div>
529                    </div>
530
531                    
532                    <div class="card-action article-tags">
533                        
534                        <a href="/tags/模拟赛总结/" target="_blank">
535                            <span class="chip bg-color">模拟赛总结</span>
536                        </a>
537                        
538                        <a href="/tags/hgoi/" target="_blank">
539                            <span class="chip bg-color">hgoi</span>
540                        </a>
541                        
542                    </div>
543                    
544                </div>
545            </div>
546            
547            <div class="article col s12 m6 l4" data-aos="zoom-in">
548                <div class="card">
549                    <a href="/2019/06/18/usaco-yuan-ti-da-sai/">
550                        <div class="card-image">
551                            
552                            <img src="https://i.loli.net/2019/06/18/5d08999936be133007.jpg" class="responsive-img" alt="USACO原题大赛">
553                            
554                            <span class="card-title">USACO原题大赛</span>
555                        </div>
556                    </a>
557
558                    <div class="card-content article-content">
559                        <div class="summary">
560                            
561                                T1有N个单词,每个单词长c个字,韵律为k,你要用这些单词作诗,每个诗句长度必须为len诗的某些句子必须是相同的韵脚这样的句子组不超过26个
562                            
563                        </div>
564                        <div class="publish-info">
565                            <span class="publish-date">
566                                <i class="fa fa-clock-o fa-fw icon-date"></i>2019-06-18
567                            </span>
568                            <span class="publish-author">
569                                
570                                <i class="fa fa-bookmark fa-fw icon-category"></i>
571                                
572                                <a href="/categories/模拟赛总结/" class="post-category" target="_blank">
573                                    模拟赛总结
574                                </a>
575                                
576                                
577                            </span>
578                        </div>
579                    </div>
580
581                    
582                    <div class="card-action article-tags">
583                        
584                        <a href="/tags/模拟赛总结/" target="_blank">
585                            <span class="chip bg-color">模拟赛总结</span>
586                        </a>
587                        
588                        <a href="/tags/hgoi/" target="_blank">
589                            <span class="chip bg-color">hgoi</span>
590                        </a>
591                        
592                    </div>
593                    
594                </div>
595            </div>
596            
597            <div class="article col s12 m6 l4" data-aos="zoom-in">
598                <div class="card">
599                    <a href="/2019/04/28/cf-yuan-ti-da-sai/">
600                        <div class="card-image">
601                            
602                            <img src="https://i.loli.net/2019/06/18/5d08999cebace42743.jpg" class="responsive-img" alt="CF 原题大赛">
603                            
604                            <span class="card-title">CF 原题大赛</span>
605                        </div>
606                    </a>
607
608                    <div class="card-content article-content">
609                        <div class="summary">
610                            
611                                CF545C Woodcutters贪心就是尽可能往左倒无法向左倒,则尽量往右倒第一个准则很好理解,但另一个则让人费解如果向右倒的话,则再右
612                            
613                        </div>
614                        <div class="publish-info">
615                            <span class="publish-date">
616                                <i class="fa fa-clock-o fa-fw icon-date"></i>2019-04-28
617                            </span>
618                            <span class="publish-author">
619                                
620                                <i class="fa fa-bookmark fa-fw icon-category"></i>
621                                
622                                <a href="/categories/模拟赛总结/" class="post-category" target="_blank">
623                                    模拟赛总结
624                                </a>
625                                
626                                
627                            </span>
628                        </div>
629                    </div>
630
631                    
632                    <div class="card-action article-tags">
633                        
634                        <a href="/tags/模拟赛总结/" target="_blank">
635                            <span class="chip bg-color">模拟赛总结</span>
636                        </a>
637                        
638                        <a href="/tags/hgoi/" target="_blank">
639                            <span class="chip bg-color">hgoi</span>
640                        </a>
641                        
642                    </div>
643                    
644                </div>
645            </div>
646            
647            <div class="article col s12 m6 l4" data-aos="zoom-in">
648                <div class="card">
649                    <a href="/2019/04/28/cf-yuan-ti-da-sai-2/">
650                        <div class="card-image">
651                            
652                            <img src="https://i.loli.net/2019/06/18/5d08999ff121e14987.jpg" class="responsive-img" alt="CF 原题大赛">
653                            
654                            <span class="card-title">CF 原题大赛</span>
655                        </div>
656                    </a>
657
658                    <div class="card-content article-content">
659                        <div class="summary">
660                            
661                                CF849A显然,奇数乘奇数还是奇数,如果两边是偶数,无论怎么划分,他永远都在边界上,是不合法的
662CF849B第一个点要么自己一人,要么肯定
663                            
664                        </div>
665                        <div class="publish-info">
666                            <span class="publish-date">
667                                <i class="fa fa-clock-o fa-fw icon-date"></i>2019-04-28
668                            </span>
669                            <span class="publish-author">
670                                
671                                <i class="fa fa-bookmark fa-fw icon-category"></i>
672                                
673                                <a href="/categories/模拟赛总结/" class="post-category" target="_blank">
674                                    模拟赛总结
675                                </a>
676                                
677                                
678                            </span>
679                        </div>
680                    </div>
681
682                    
683                    <div class="card-action article-tags">
684                        
685                        <a href="/tags/模拟赛总结/" target="_blank">
686                            <span class="chip bg-color">模拟赛总结</span>
687                        </a>
688                        
689                        <a href="/tags/hgoi/" target="_blank">
690                            <span class="chip bg-color">hgoi</span>
691                        </a>
692                        
693                    </div>
694                    
695                </div>
696            </div>
697            
698            <div class="article col s12 m6 l4" data-aos="zoom-in">
699                <div class="card">
700                    <a href="/2019/04/01/po3764-ti-jie/">
701                        <div class="card-image">
702                            
703                            <img src="https://i.loli.net/2019/04/01/5ca1f642a3bbe.jpg" class="responsive-img" alt="poj3764题解">
704                            
705                            <span class="card-title">poj3764题解</span>
706                        </div>
707                    </a>
708
709                    <div class="card-content article-content">
710                        <div class="summary">
711                            
712                                题意给定一个n个结点的树,树上每条边都有一个权值。从树中选择两个点 x 和y,把从x到y的路径上的所有边权值xor起来,得到的结果最大是多少
713                            
714                        </div>
715                        <div class="publish-info">
716                            <span class="publish-date">
717                                <i class="fa fa-clock-o fa-fw icon-date"></i>2019-04-01
718                            </span>
719                            <span class="publish-author">
720                                
721                                <i class="fa fa-bookmark fa-fw icon-category"></i>
722                                
723                                <a href="/categories/题解/" class="post-category" target="_blank">
724                                    题解
725                                </a>
726                                
727                                
728                            </span>
729                        </div>
730                    </div>
731
732                    
733                    <div class="card-action article-tags">
734                        
735                        <a href="/tags/题解/" target="_blank">
736                            <span class="chip bg-color">题解</span>
737                        </a>
738                        
739                        <a href="/tags/字典树,奇妙思路/" target="_blank">
740                            <span class="chip bg-color">字典树,奇妙思路</span>
741                        </a>
742                        
743                    </div>
744                    
745                </div>
746            </div>
747            
748            <div class="article col s12 m6 l4" data-aos="zoom-in">
749                <div class="card">
750                    <a href="/2019/03/29/zhu-xi-shu-xue-xi-bi-ji/">
751                        <div class="card-image">
752                            
753                            <img src="https://i.loli.net/2019/05
753/10/5cd527565438d.gif" class="responsive-img" alt="主席树学习笔记">
754                            
755                            <span class="card-title">主席树学习笔记</span>
756                        </div>
757                    </a>
758
759                    <div class="card-content article-content">
760                        <div class="summary">
761                            
762                                主席树学习笔记主席树就是可持久化的线段树,可以轻松的访问历史版本暴力的可持久化线段树就是每一次修改都重新把原来的线段树copy过来然后修改,
763                            
764                        </div>
765                        <div class="publish-info">
766                            <span class="publish-date">
767                                <i class="fa fa-clock-o fa-fw icon-date"></i>2019-03-29
768                            </span>
769                            <span class="publish-author">
770                                
771                                <i class="fa fa-bookmark fa-fw icon-category"></i>
772                                
773                                <a href="/categories/学习笔记/" class="post-category" target="_blank">
774                                    学习笔记
775                                </a>
776                                
777                                
778                            </span>
779                        </div>
780                    </div>
781
782                    
783                    <div class="card-action article-tags">
784                        
785                        <a href="/tags/学习笔记/" target="_blank">
786                            <span class="chip bg-color">学习笔记</span>
787                        </a>
788                        
789                        <a href="/tags/数据结构/" target="_blank">
790                            <span class="chip bg-color">数据结构</span>
791                        </a>
792                        
793                        <a href="/tags/主席树/" target="_blank">
794                            <span class="chip bg-color">主席树</span>
795                        </a>
796                        
797                    </div>
798                    
799                </div>
800            </div>
801            
802            <div class="article col s12 m6 l4" data-aos="zoom-in">
803                <div class="card">
804                    <a href="/2019/03/26/bo-yi-lun-xue-xi-bi-ji/">
805                        <div class="card-image">
806                            
807                            <img src="https://i.loli.net/2019/03/26/5c9a084d61e34.jpg" class="responsive-img" alt="博弈论学习笔记">
808                            
809                            <span class="card-title">博弈论学习笔记</span>
810                        </div>
811                    </a>
812
813                    <div class="card-content article-content">
814                        <div class="summary">
815                            
816                                (本篇文章将充斥着大量的大小写不分,括号中英文不分,请谅解)本篇blog推荐的题目均是可以证明的题解(不能证明的SG函数有什么存在的必要吗(
817                            
818                        </div>
819                        <div class="publish-info">
820                            <span class="publish-date">
821                                <i class="fa fa-clock-o fa-fw icon-date"></i>2019-03-26
822                            </span>
823                            <span class="publish-author">
824                                
825                                <i class="fa fa-bookmark fa-fw icon-category"></i>
826                                
827                                <a href="/categories/学习笔记/" class="post-category" target="_blank">
828                                    学习笔记
829                                </a>
830                                
831                                
832                            </span>
833                        </div>
834                    </div>
835
836                    
837                    <div class="card-action article-tags">
838                        
839                        <a href="/tags/学习笔记/" target="_blank">
840                            <span class="chip bg-color">学习笔记</span>
841                        </a>
842                        
843                        <a href="/tags/数论/" target="_blank">
844                            <span class="chip bg-color">数论</span>
845                        </a>
846                        
847                        <a href="/tags/博弈论/" target="_blank">
848                            <span class="chip bg-color">博弈论</span>
849                        </a>
850                        
851                    </div>
852                    
853                </div>
854            </div>
855            
856            <div class="article col s12 m6 l4" data-aos="zoom-in">
857                <div class="card">
858                    <a href="/2019/03/21/zi-fu-chuan-de-zui-xiao-biao-shi-fa-shu-de-zui-xiao-biao-shi-fa-xue-xi-bi-ji/">
859                        <div class="card-image">
860                            
861                            <img src="https://i.loli.net/2019/03/21/5c93829ab4c23.jpeg" class="responsive-img" alt="字符串的最小表示法&树的最小表示法学习笔记">
862                            
863                            <span class="card-title">字符串的最小表示法&树的最小表示法学习笔记</span>
864                        </div>
865                    </a>
866
867                    <div class="card-content article-content">
868                        <div class="summary">
869                            
870                                本质思想两种算法都是解决同一种问题询问两个东西(我也不知道叫什么了)能否通过某种变换而得到然后实际上可以对他们的所有状态排序,然后找到最小的
871                            
872                        </div>
873                        <div class="publish-info">
874                            <span class="publish-date">
875                                <i class="fa fa-clock-o fa-fw icon-date"></i>2019-03-21
876                            </span>
877                            <span class="publish-author">
878                                
879                                <i class="fa fa-bookmark fa-fw icon-category"></i>
880                                
881                                <a href="/categories/学习笔记/" class="post-category" target="_blank">
882                                    学习笔记
883                                </a>
884                                
885                                
886                            </span>
887                        </div>
888                    </div>
889
890                    
891                    <div class="card-action article-tags">
892                        
893                        <a href="/tags/学习笔记/" target="_blank">
894                            <span class="chip bg-color">学习笔记</span>
895                        </a>
896                        
897                        <a href="/tags/字符串/" target="_blank">
898                            <span class="chip bg-color">字符串</span>
899                        </a>
900                        
901                        <a href="/tags/树/" target="_blank">
902                            <span class="chip bg-color">树</span>
903                        </a>
904                        
905                    </div>
906                    
907                </div>
908            </div>
909            
910            <div class="article col s12 m6 l4" data-aos="zoom-in">
911                <div class="card">
912                    <a href="/2019/03/20/luogu-p1155-shuang-zhan-pai-xu/">
913                        <div class="card-image">
914                            
915                            <img src="https://i.loli.net/2019/03/20/5c91cb5d0bd73.png" class="responsive-img" alt="luogu P1155 双栈排序">
916                            
917                            <span class="card-title">luogu P1155 双栈排序</span>
918                        </div>
919                    </a>
920
921                    <div class="card-content article-content">
922                        <div class="summary">
923                            
924                                骗分首先看到这道题我最先想到的是模拟但问题是其要求字典序最小,这就很麻烦了假设这个条件没有(也就是假装数据很弱去骗分)首先对于一个数,他只能
925                            
926                        </div>
927                        <div class="publish-info">
928                            <span class="publish-date">
929                                <i class="fa fa-clock-o fa-fw icon-date"></i>2019-03-20
930                            </span>
931                            <span class="publish-author">
932                                
933                                <i class="fa fa-bookmark fa-fw icon-category"></i>
934                                
935                                <a href="/categories/题解/" class="post-category" target="_blank">
936                                    题解
937                                </a>
938                                
939                                
940                            </span>
941                        </div>
942                    </div>
943
944                    
945                    <div class="card-action article-tags">
946                        
947                        <a href="/tags/题解/" target="_blank">
948                            <span class="chip bg-color">题解</span>
949                        </a>
950                        
951                        <a href="/tags/luogu/" target="_blank">
952                            <span class="chip bg-color">luogu</span>
953                        </a>
954                        
955                        <a href="/tags/贪心/" target="_blank">
956                            <span class="chip bg-color">贪心</span>
957                        </a>
958                        
959                        <a href="/tags/图论/" target="_blank">
960                            <span class="chip bg-color">图论</span>
961                        </a>
962                        
963                    </div>
964                    
965                </div>
966            </div>
967            
968            <div class="article col s12 m6 l4" data-aos="zoom-in">
969                <div class="card">
970                    <a href="/2019/03/18/2019-3-18-hang-shi-da-acm-you-ji/">
971                        <div class="card-image">
972                            
973                            <img src="https://i.loli.net/2019/03/18/5c8f39934dd6c.png" class="responsive-img" alt="2019 3 18 杭师大ACM游记">
974                            
975                            <span class="card-title">2019 3 18 杭师大ACM游记</span>
976                        </div>
977                    </a>
978
979                    <div class="card-content article-content">
980                        <div class="summary">
981                            
982                                杭师大ACM总结只有两个人打个球球啊因为只有两个人所以题都没开完,题目翻译比别的组慢了不知道多少,讨论聪明题的时候也少一张口胡爷的嘴巴
983T1
984                            
985                        </div>
986                        <div class="publish-info">
987                            <span class="publish-date">
988                                <i class="fa fa-clock-o fa-fw icon-date"></i>2019-03-18
989                            </span>
990                            <span class="publish-author">
991                                
992                                <i class="fa fa-bookmark fa-fw icon-category"></i>
993                                
994                                <a href="/categories/生活记录/" class="post-category" target="_blank">
995                                    生活记录
996                                </a>
997                                
998                                
999                            </span>
1000                        </div>
1001                    </div>
1002
1003                    
1004                    <div class="card-action article-tags">
1005                        
1006                        <a href="/tags/游记/" target="_blank">
1007                            <span class="chip bg-color">游记</span>
1008                        </a>
1009                        
1010                        <a href="/tags/题解/" target="_blank">
1011                            <span class="chip bg-color">题解</span>
1012                        </a>
1013                        
1014                        <a href="/tags/ACM/" target="_blank">
1015                            <span class="chip bg-color">ACM</span>
1016                        </a>
1017                        
1018                    </div>
1019                    
1020                </div>
1021            </div>
1022            
1023            <div class="article col s12 m6 l4" data-aos="zoom-in">
1024                <div class="card">
1025                    <a href="/2019/03/04/ti-jie-p4374-usaco18open-disruption/">
1026                        <div class="card-image">
1027                            
1028                            <img src="http://wx2.sinaimg.cn/mw690/0060lm7Tly1g0r0jc60e8j31040p046s.jpg" class="responsive-img" alt="题解 P4374 【[USACO18OPEN]Disruption】">
1029                            
1030                            <span class="card-title">题解 P4374 【[USACO18OPEN]Disruption】</span>
1031                        </div>
1032                    </a>
1033
1034                    <div class="card-content article-content">
1035                        <div class="summary">
1036                            
1037                                既然没有有图的题解,那我就过来补个图加思路了
1038画图假设我们有一颗树现在多了一条额外道路则当且仅当额外道路所连的两个点不在一个联通块内时,这条
1039                            
1040                        </div>
1041                        <div class="publish-info">
1042                            <span class="publish-date">
1043                                <i class="fa fa-clock-o fa-fw icon-date"></i>2019-03-04
1044                            </span>
1045                            <span class="publish-author">
1046                                
1047                                <i class="fa fa-bookmark fa-fw icon-category"></i>
1048                                
1049                                <a href="/categories/题解/" class="post-category" target="_blank">
1050                                    题解
1051                                </a>
1052                                
1053                                
1054                            </span>
1055                        </div>
1056                    </div>
1057
1058                    
1059                    <div class="card-action article-tags">
1060                        
1061                        <a href="/tags/题解/" target="_blank">
1062                            <span class="chip bg-color">题解</span>
1063                        </a>
1064                        
1065                        <a href="/tags/luogu/" target="_blank">
1066                            <span class="chip bg-color">luogu</span>
1067                        </a>
1068                        
1069                        <a href="/tags/树/" target="_blank">
1070                            <span class="chip bg-color">树</span>
1071                        </a>
1072                        
1073                        <a href="/tags/图论/" target="_blank">
1074                            <span class="chip bg-color">图论</span>
1075                        </a>
1076                        
1077                        <a href="/tags/树链剖分/" target="_blank">
1078                            <span class="chip bg-color">树链剖分</span>
1079                        </a>
1080                        
1081                    </div>
1082                    
1083                </div>
1084            </div>
1085            
1086        </div>
1087    </article>
1088
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