Harukaze

示例代码：       #include<iostream> #include<cstring> #include<cmath> #include<algorithm> using namespace std; int tree[1001]; int dp[1001][31]; int main(void) { int T,W; whi...

CodeForce 1072-B. Curiosity Has No Limits 题目链接 题目大意： 给出两个数组a，b长度均为n-1 问能否构造出长度为n的t数组，满足 1、a[i] = t[i] | t[i+1] 2、b[i] = t[i] & t[i+1] 解题思路： 对所有情况枚举输出可以发现对应于一个确定的t[i]和a[i]，b[i] t[i+1]的值要么存在且唯一，要么不存...

2789: Selling CPUs 传送门 时间限制: 1 Sec  内存限制: 64 MB 提交: 164  解决: 58 [提交] [状态] [讨论版] [命题人:admin]   题目描述 You are very happy, that you got a job at ACME Corporation’s CPU factory. After a hard month of ...

9301: CHEAP DELIVERIES   题目传送门 时间限制: 1 Sec  内存限制: 128 MB 提交: 190  解决: 52 [提交] [状态] [讨论版] [命题人:admin]   题目描述 Abu runs a delivery service where he deliver items from one city to another. As with a...

7713: Elections 时间限制: 1 Sec  内存限制: 128 MB 提交: 82  解决: 38 [提交] [状态] [讨论版] [命题人:admin] 题目描述 Jenabkhan who has become billionaire from his Laboo bussiness, is now running for president. His country us...

D. Bag of mice time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output The dragon and the princess are arguing about what to do on the Ne...

#include <bits/stdc++.h> using namespace std; int bit[22]; int a[22]; int b[22]; int state[22]; long long dp[1<<20]; int numbit[1<<20]; const long long INF = 1000000000000000LL;...

7027: Flipping Coins 时间限制: 1 Sec  内存限制: 128 MB  Special Judge 提交: 127  解决: 56 [提交] [状态] [讨论版] [命题人:admin] 题目描述 Here’s a jolly and simple game: line up a row of N identical coins, all with the heads...

5212: Coins I 时间限制: 1 Sec  内存限制: 128 MB 提交: 122  解决: 74 [提交] [状态] [讨论版] [命题人:admin] 题目描述 Alice and Bob are playing a simple game. They line up a row of n identical coins, all with the heads facing ...

CodeForces ——1079C. Playing Piano DFS版本： 记忆化在DFS过程中出现过的，因为只要出现回溯，证明该深度下，所有方案都是无效解。 存一下这些无效的方案直接跳过~~ /* * @Author: Achan * @Date: 2018-11-20 19:29:26 * @Last Modified by: Achan * @Last Modified tim...