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 >>…
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…
Problem B. Harvest of Apples Time Limit: / MS (Java/Others) Memory Limit: / K (Java/Others) Total Submission(s): Accepted Submission(s): Problem Description There are n apples on a tree, numbered to n. Count the number of ways to pick at most m apple…
Problem C. Dynamic Graph Matching Time Limit: / MS (Java/Others) Memory Limit: / K (Java/Others) Total Submission(s): Accepted Submission(s): Problem Description In the mathematical discipline of graph theory, a matching in a graph is a set of edges…
Problem A. Ascending Rating Time Limit: / MS (Java/Others) Memory Limit: / K (Java/Others) Total Submission(s): Accepted Submission(s): Problem Description Before the start of contest, there are n ICPC contestants waiting to n from left to right. It…
链接:https://www.nowcoder.com/acm/contest/148/D来源:牛客网 Prefix Sum is a useful trick in data structure problems. For example, given an array A of length n and m queries. Each query gives an interval [l,r] and you need to calculate . How to solve this pro…
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…
Game Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1770 Accepted Submission(s): 1089 Problem Description Alice and Bob are playing a game.The game is played on a set of positive integers fr…
Swaps and Inversions Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3588 Accepted Submission(s): 976 Problem Description Long long ago, there was an integer sequence a.Tonyfang think this se…