Problem E. Matrix from Arrays Time Limit: / MS (Java/Others) Memory Limit: / K (Java/Others) Total Submission(s): Accepted Submission(s): Problem Description Kazari has an array A length of L, she plans to generate an infinite matrix M using A. The p…
2018 HDU多校第四场赛后补题 自己学校出的毒瘤场..吃枣药丸 hdu中的题号是6332 - 6343. K. Expression in Memories 题意: 判断一个简化版的算术表达式是否合法. 题解: 注意细节即可. 代码: #include <bits/stdc++.h> using namespace std; int n; char s[505]; int main () { int T; cin>>T; for ( ; T; --T) { scanf(&quo…
2018 HDU多校第三场赛后补题 从易到难来写吧,其中题意有些直接摘了Claris的,数据范围是就不标了. 如果需要可以去hdu题库里找.题号是6319 - 6331. L. Visual Cube 题意: 在画布上画一个三维立方体. 题解: 模拟即可. 代码: #include <bits/stdc++.h> using namespace std; int a, b, c, R, C; char g[505][505]; int main () { int T; cin >>…
一.题意 给出N个卡牌,卡牌的正反两面具有两个数字,取值范围为[1,2*n],给出若干个默认正面向上的卡牌,求最小反转多少张卡牌可以使得,每张卡牌朝上的面上都有一个不同的数字,同时满足最小反转次数的反转方法有多少个? Alice and Bob are playing a card game. In this card game, a number is written on each face of the playing card. The rule of the game is descr…
Problem E. Matrix from Arrays Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 474 Accepted Submission(s): 202 Problem Description Kazari has an array A length of L, she plans to generate an…
链接:https://www.nowcoder.com/acm/contest/147/A 来源:牛客网 时间限制:C/C++ 1秒,其他语言2秒 空间限制:C/C++ 262144K,其他语言524288K 64bit IO Format: %lld 题目描述 Niuniu has recently learned how to use Gaussian elimination to solve systems of linear equations. Given n and a[i], wh…
Problem D. Euler Function 思路:打表找找规律. #include<bits/stdc++.h> #define LL long long #define fi first #define se second #define mk make_pair #define pii pair<int,int> using namespace std; ; ; const int inf=0x3f3f3f3f; const LL INF=0x3f3f3f3f3f3f3…