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老废物了
TA的专栏
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codeforce
16篇文章
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全部文章
(共418篇)
string库函数
find函数 #include <string> #include <iostream> using namespace std; int main() { string str1("i am a student"); string str2...
2020-12-17
0
474
二分 搬运石头问题
Every year the cows hold an event featuring a peculiar version of hopscotch that involves carefully jumping from rock to rock in a river. The exciteme...
2020-12-17
0
445
Monthly Expense
Farmer John is an astounding accounting wizard and has realized he might run out of money to run the farm. He has already calculated and recorded the ...
2020-12-17
0
716
二分二分
It is very hard to wash and especially to dry clothes in winter. But Jane is a very smart girl. She is not afraid of this boring process. Jane has dec...
2020-12-17
0
361
并查集复习进阶版
An earthquake takes place in Southeast Asia. The ACM (Asia Cooperated Medical team) have set up a wireless network with the lap computers, but an unex...
2020-12-17
0
594
n皇后问题
在N*N的方格棋盘放置了N个皇后,使得它们不相互攻击(即任意2个皇后不允许处在同一排,同一列,也不允许处在与棋盘边框成45角的斜线上。 你的任务是,对于给定的N,求出有多少种合法的放置方法。 Input 共有若干行,每行一个正整数N≤10,表示棋盘和皇后的数量;如果N=0,表示结束。 Output...
2020-12-17
0
566
走马 dfs输出
Background The knight is getting bored of seeing the same black and white squares again and again and has decided to make a journey around the world. ...
2020-12-17
0
429
bfs
题目:Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,000) on a n...
2020-12-17
0
427
dfs
On Planet MM-21, after their Olympic games this year, curling is getting popular. But the rules are somewhat different from ours. The game is played o...
2020-12-17
0
497
bfs
The ministers of the cabinet were quite upset by the message from the Chief of Security stating that they would all have to change the four-digit room...
2020-12-17
0
398
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