题目链接: B. Modulo Sum time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given a sequence of numbers a1, a2, ..., an, and a number m. Check if it is possible to choose a non-empty subse…
#include <iostream> #include <stdio.h> #include <algorithm> #define lson rt<<1,L,mid #define rson rt<<1|1,mid+1,R /* AC 水题 题意:给出n个数,两种操作 U i x 将第i个数改成x Q x y 查询[x,y]中两个数的和的最大值,这两个数不能为同一个 即只要求该区间第一大和第二大的数,他们的和即为答案 */ using nam…
Problem J. Joke 题目连接: http://codeforces.com/gym/100714 Description The problem is to cut the largest possible number of circles with diameter y out of a stripe of length x and width y. Input The only line of input consists of two positive real number…
Problem H. Hometask 题目连接: http://codeforces.com/gym/100714 Description Kolya is still trying to pass a test on Numbers Theory. The lecturer is so desperate about Kolya's knowledge that she gives him the same task every time. The problem is to check i…
地址:http://acm.split.hdu.edu.cn/showproblem.php?pid=6058 题目: Kanade's sum Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 505 Accepted Submission(s): 176 Problem Description Give you an array …
The sum of gcd Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 641 Accepted Submission(s): 277 Problem Description You have an array A with the length of $n$ \[Let\quad f(l,r) = \sum_{i = l}…
目录 Cookies Distinct Sub-palindromes Fibonacci Sum Finding a MEX Leading Robots Math is Simple Minimum Index Mow Cookies 先简单二分出最后查的是哪个标号. 然后发现这个可以快速处理出一段区间的答案,分段打表即可. 注意代码长度限制不要爆了我就白打了 10min Code ll n, k, a[N]; ll S[4001] = { ... }; int m; inline ll c…
Redraw Beautiful Drawings Time Limit: 3000/1500 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Problem Description Alice and Bob are playing together. Alice is crazy about art and she has visited many museums around the world. She has…
