Drainage Ditches Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 62016 Accepted: 23808 Description Every time it rains on Farmer John's fields, a pond forms over Bessie's favorite clover patch. This means that the clover is covered by wate…
MATLAB格式化输出控制 format 默认格式 format short 5字长定点数 format long 15字长定点数 format short e 5字长浮点数 format long e 15字长浮点数 format short g format long g format hex 16进制 format bank 定点货币形式 format rat 小数分数表示 format + +,-,空格 format compact 压缩空格 format loose 包括空格和空行 f…
#include <cstdio> #include <iostream> #include <cstring> using namespace std; const int INF = 0x3fffffff; int g[1005][1005]; int m; void Floyd() { int i, j, k; for (k=1;k<=m;k++) { for (i=1;i<=m;i++) { for (j=1;j<=m;j++) { if (g…
#include <cstdio> #include <iostream> #include <cstring> using namespace std; const int INF = 0x3fffffff; int g[1005][1005]; int m; int Dijkstra(int s,int t) { bool visit[1005]; int dis[1005]; for(int i = 1; i <= m; ++i) { visit[i] =…
#include<stdio.h> #include<stdlib.h> //快速幂算法,数论二分 long long powermod(int a,int b, int c) //不用longlong就报错,题目中那个取值范围不就在2的31次方内 { long long t; if(b==0) return 1%c; if(b==1) return a%c; t=powermod(a,b/2,c);//递归调用,采用二分递归算法,,注意这里n/2会带来奇偶性问题 t=t*t%c;…
