biu________的博客

https://vjudge.net/contest/65959#problem/CFarmer 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 number line ...

在一个给定形状的棋盘（形状可能是不规则的）上面摆放棋子，棋子没有区别。要求摆放时任意的两个棋子不能放在棋盘中的同一行或者同一列，请编程求解对于给定形状和大小的棋盘，摆放k个棋子的所有可行的摆放方案C。2 1 #. .# 4 4 ...# ..#. .#.. #... -1 -1 #include<iostream> #include<cstdio> #include<...

题意：找出任意一个由0和1组成的数，而且是n的倍数。unsigned __int64可以存下结果，循环深度<20;两条搜索路径---t*10;t*10+1;#include<iostream>  #include<cstdio>  #include<cstring>  #include<algorithm>  using namespace s...

将一个素数变成另一个素数，且过程均为素数 #include <iostream>  #include <algorithm>  #include <cstring>  #include <cstdio>  #include <math.h>  #include <cstdlib>  #include <queue>

A ring is composed of n (even number) circles as shown in diagram.Put natural numbers 1, 2, . . . , n into each circle separately, and the sum of numbers in two adjacent circles should be a prime.Note...

 Krypton Factor You have been employed by the organisers of a Super Krypton Factor Contest in which contestants have very high mental and physical abilities. In one section of the contest the contesta...