https://codeforc.es/contest/1138/problem/B B. Circus time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Polycarp is a head of a circus troupe. There are nn — an even number — artists in the tr…
枚举类虽然很简单,但是却往往是系统中业务逻辑最集中最复杂的地方.本文将会分享我们项目中基于hibernate的枚举类使用规范,包含数据库中枚举列数据类型.注释.枚举列与枚举类的映射等. 一.枚举类定义规范 package org.jframe.data.enums; /** * Created by leo on 2017-05-31. */ public enum Gender { unknown(0), male(11), female(12); public final static St…
Time limit: 0.5 second Memory limit: 64 MB Given a 2-dimensional array of positive and negative integers, find the sub-rectangle with the largest sum. The sum of a rectangle is the sum of all the elements in that rectangle. In this problem the sub-re…
A 采用递推的方法,由于要到达棋盘上的一个点,只能从左边或者上边过来,根据加法原则,到达某一点的路径数目,就等于到达其相邻的上点和左点的路径数目的总和.所有海盗能达到的点将其路径数置为0即可. #include <stdio.h> #include <string.h> #include <stdlib.h> int main() { int i,j,x,y,n,m,f[100][100]; long long ans[100][100]; int t; scanf(&…