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BFS(1) CDQ分治和整体二分(1) Codeforces(15) DFS(4) GDUT训练(8) KMP(1) MST(1) RMQ(2) Trie(1) 二分(3) 几何(2) 区间型DP(5) 单调栈(3) 容斥原理(2) 尺取(1) 差分(1) 广工新生赛题解(1) 序列型DP(1) 思维(1) 拓扑排序(1) 排序(3) 搜索(2) 数位DP(5) 数论(9) 无向图双连通分量(1) 最短路(8) 未归档(95) 杂(5) 栈/(优先)队列/链表(1) 树形DP(2) 树链剖分(2) 棋盘型DP(4) 概率/期望DP(3) 模拟退火(1) 物理(1) 状压型DP(9) 矩阵快速幂(2) 线性DP(4) 线段树/树状数组(8) 组合数学(1) 缩点(不仅SCC)(1) 网络流(4) 背包型DP(4) 莫队算法(2) 贪心(3) 题解(3)

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全部文章（共238篇）

2019 GDUT Winter Training III

https://cn.vjudge.net/contest/280477#overview a.二进制形式0的个数>=1的数字的个数https://blog.csdn.net/Wen_Yongqi/article/details/86911355 b.平衡数，枚举中间点https://bl...

2019-02-10

0 470

Codeforces-55D Beautiful numbers

http://codeforces.com/problemset/problem/55/D Volodya is an odd boy and his taste is strange as well. It seems to him that a positive integer number ...

2019-02-10

0 579

HDU-2089 不要62

http://acm.hdu.edu.cn/showproblem.php?pid=2089 杭州人称那些傻乎乎粘嗒嗒的人为62（音：laoer）。杭州交通管理局经常会扩充一些的士车牌照，新近出来一个好消息，以后上牌照，不再含有不吉利的数字了，这样一来，就可以消除个别的士司机和乘客的心理障碍，更...

2019-02-10

0 594

HDU-3555 Bomb

http://acm.hdu.edu.cn/showproblem.php?pid=3555 The counter-terrorists found a time bomb in the dust. But this time the terrorists improve on the time...

2019-02-10

0 675

HDU-4734 F(x)

http://acm.hdu.edu.cn/showproblem.php?pid=4734 Problem Description For a decimal number x with n digits (AnAn-1An-2 ... A2A1), we define its weight ...

2019-02-10

0 524

HDU-3709 Balanced Number

http://acm.hdu.edu.cn/showproblem.php?pid=3709 Problem Description A balanced number is a non-negative integer that can be balanced if a pivot is pl...

2019-02-10

0 548

POJ-3252 Round Numbers

http://poj.org/problem?id=3252 Description The cows, as you know, have no fingers or thumbs and thus are unable to play Scissors, Paper, Stone' (als...

2019-02-10

0 767

POJ2773 Happy 2006

http://poj.org/problem?id=2773 Description Two positive integers are said to be relatively prime to each other if the Great Common Divisor (GCD) is ...

2019-02-09

0 578

POJ3904 Sky Code

http://poj.org/problem?id=3904 Stancu likes space travels but he is a poor software developer and will never be able to buy his own spacecraft. That ...

2019-02-09

0 458

HUD4135 Co-prime

http://acm.hdu.edu.cn/showproblem.php?pid=4135 Given a number N, you are asked to count the number of integers between A and B inclusive which are re...

2019-02-08

0 556