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A * B Problem Plus Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 26874 Accepted Submission(s): 阅读全文
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链接：https://www.nowcoder.com/acm/contest/147/A来源：牛客网 Niuniu has recently learned how to use Gaussian elimination to solve systems of linear equations. 阅读全文
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链接：https://www.nowcoder.com/acm/contest/147/D来源：牛客网 Niuniu likes traveling. Now he will travel on a special graph. Given k and n, The directed graph c 阅读全文
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有向图欧拉回路个数 BZOJ 3659 但是没有这道题了 直接贴一个别人的板子吧 欧拉回路：存在一条路径经过所有的边刚好1次 有向图欧拉回路存在充要条件：①图连通；②对于所有点都满足出度=入度 BEST 定理 https://en.wikipedia.org/wiki/BEST_theorem 定理 阅读全文
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4894: 天赋 Description 小明有许多潜在的天赋，他希望学习这些天赋来变得更强。正如许多游戏中一样，小明也有n种潜在的天赋，但有 一些天赋必须是要有前置天赋才能够学习得到的。也就是说，有一些天赋必须是要在学习了另一个天赋的条件下才 能学习的。比如，要想学会"开炮"，必须先学会"开枪"。 阅读全文
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Lanterns Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 2534 Accepted Submission(s): 996 Problem 阅读全文
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Problem L.Videos Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 455 Accepted Submission(s): 22 阅读全文
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相关博客 https://blog.csdn.net/cheneyshark/article/details/78735987 https://blog.csdn.net/cheneyshark/article/details/78751550 https://blog.csdn.net/pengw 阅读全文
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基尔霍夫矩阵 https://blog.csdn.net/w4149/article/details/77387045 https://blog.csdn.net/qq_29963431/article/details/51236064 题目链接 https://vjudge.net/problem 阅读全文
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Character Encoding Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 1473 Accepted Submission(s): 阅读全文