地址:http://acm.uestc.edu.cn/#/problem/show/1554 题目: C0ins Time Limit: 3000/1000MS (Java/Others)     Memory Limit: 65535/65535KB (Java/Others) There are infinite coins with values 1,2,5,101,2,5,10. What's the minimum numbers of coins should be picked t…

地址:http://acm.uestc.edu.cn/#/problem/show/1567 题目: Jermutat1on Time Limit: 3000/1000MS (Java/Others)     Memory Limit: 65535/65535KB (Java/Others) Submit Status You are given two numbers nn and kk. You are required to construct a permutation p1,p2,..…

地址:http://acm.uestc.edu.cn/#/problem/show/1559 题目: B0n0 Path Time Limit: 1500/500MS (Java/Others)     Memory Limit: 65535/65535KB (Java/Others) There is a country with NN cities, there are roads between some pairs of cities. For every pair of cities,…

地址:http://acm.uestc.edu.cn/#/problem/show/1565 题目: Kidd1ng Me? Time Limit: 3000/1000MS (Java/Others)     Memory Limit: 65535/65535KB (Java/Others) Submit Status There are 1010 tests. For the ithith test, you should output ii. Input No input. Output F…

地址:http://acm.uestc.edu.cn/#/problem/show/1557 题目: Minimum C0st Time Limit: 3000/1000MS (Java/Others)     Memory Limit: 65535/65535KB (Java/Others) There are NN numbers where the ithith is AiAi. In order to make the sum of them changed to SS, you can…

地址:http://acm.uestc.edu.cn/#/problem/show/1564 题目: G - GC?(X,Y) Time Limit: 3000/1000MS (Java/Others)     Memory Limit: 131071/131071KB (Java/Others) One positive integer can be represented by the product of some prime numbers. Sort the prime numbers…

地址:http://acm.uestc.edu.cn/#/problem/show/1551 题目: Hesty Str1ng Time Limit: 3000/1000MS (Java/Others)     Memory Limit: 65535/65535KB (Java/Others) A chrysanthemum was painted on the second page, and we tried to use the magic power learned just now.…

地址:http://acm.uestc.edu.cn/#/problem/show/1558 题目: D - Destr0y City Time Limit: 3000/1000MS (Java/Others)     Memory Limit: 65535/65535KB (Java/Others) Alice want to build nn cities on a plane. A city can be regarded as a point. In order to keep comm…

题意:You are given an array A of N non-negative integers and an integer M. Find the number of pair(i,j) such that 1≤i≤j≤N and min(Ai,Ai+1,...,Aj)⋅(Ai⊕Ai+1⊕...⊕Aj)≤M. 先用把数字从小到大依次插入,用个set预处理出每个最小值控制的子区间的范围,对于大小相同的数,靠左的数优先. 然后对于每个子区间,最小值将它划分成左右两段,枚举较短的那段,…

题意:给你一个零一矩阵,q次询问,每次给你两个长宽相同的子矩阵,问你它们是恰好有一位不同,还是完全相同,还是有多于一位不同. 对每行分别哈希,先一行一行地尝试匹配,如果恰好发现有一行无法对应,再对那一行内部进行暴力找出那一行内部有几位不同即可. #include<cstdio> using namespace std; typedef unsigned long long ull; int n,m,q; char a[1005][1005]; ull b[1005][1005],pw[1005…