A. Equalize Prices Again 题目链接:https://codeforces.com/contest/1234/problem/A 题意:给你 n 个数 , 你需要改变这些数使得这 n 个数的值相等 , 并且要求改变后所有数的和需大于等于原来的所有数字的和 , 然后输出满足题意且改变后最小的数值 分析: 签到题.记原来 n 个数的和为 sum , 先取这些数的平均值 ave , 然后每次判断 ave * n >= sum 是否成立成立则直接输出 , 不成立将 ave ++ #…
A题 题意:给你 n 个数 , 你需要改变这些数使得这 n 个数的值相等 , 并且要求改变后所有数的和需大于等于原来的所有数字的和 , 然后输出满足题意且改变后最小的数值. AC代码: #include<bits/stdc++.h> using namespace std; #define int long long signed main(){ int _; cin>>_; while(_--){ int n; cin>>n; ]; ; ;i<=n;i++){…
A题 题意:给你 n 个数 , 你需要改变这些数使得这 n 个数的值相等 , 并且要求改变后所有数的和需大于等于原来的所有数字的和 , 然后输出满足题意且改变后最小的数值. AC代码: #include<bits/stdc++.h> using namespace std; #define int long long signed main(){ int _; cin>>_; while(_--){ int n; cin>>n; ]; ; ;i<=n;i++){…
链接: https://codeforces.com/contest/1234/problem/E 题意: Let's define pi(n) as the following permutation: [i,1,2,-,i−1,i+1,-,n]. This means that the i-th permutation is almost identity (i.e. which maps every element to itself) permutation but the elemen…
链接: https://codeforces.com/contest/1234/problem/D 题意: You are given a string s consisting of lowercase Latin letters and q queries for this string. Recall that the substring s[l;r] of the string s is the string slsl+1-sr. For example, the substrings…
链接: https://codeforces.com/contest/1234/problem/C 题意: You are given a system of pipes. It consists of two rows, each row consists of n pipes. The top left pipe has the coordinates (1,1) and the bottom right - (2,n). There are six types of pipes: two…
链接: https://codeforces.com/contest/1234/problem/B2 题意: The only difference between easy and hard versions are constraints on n and k. You are messaging in one of the popular social networks via your smartphone. Your smartphone can show at most k most…
链接: https://codeforces.com/contest/1234/problem/A 题意: You are both a shop keeper and a shop assistant at a small nearby shop. You have n goods, the i-th good costs ai coins. You got tired of remembering the price of each product when customers ask fo…
https://codeforces.com/contest/1234/problem/A A. Equalize Prices Again #include<bits/stdc++.h> using namespace std; typedef long long ll; int main(){ int n,a; int t; cin>>t; ll sum = ,ans; while(t--){ cin>>n;sum = ; ;i < n;++i){ cin&g…
Codeforces Round #366 (Div. 2) A I hate that I love that I hate it水题 #I hate that I love that I hate it n = int(raw_input()) s = "" a = ["I hate that ","I love that ", "I hate it","I love it"] for i in ran…
Codeforces Round #354 (Div. 2) Problems # Name A Nicholas and Permutation standard input/output 1 s, 256 MB x3384 B Pyramid of Glasses standard input/output 1 s, 256 MB x1462 C Vasya and String standard input/output 1 s, 256 MB x1393…
cf之路,1,Codeforces Round #345 (Div. 2) ps:昨天第一次参加cf比赛,比赛之前为了熟悉下cf比赛题目的难度.所以做了round#345连试试水的深浅..... 其实这个应该是昨天就写完的,不过没时间了,就留到了今天.. 地址:http://codeforces.com/contest/651/problem/A A. Joysticks time limit per test 1 second memory limit per test 256…
Codeforces Round #279 (Div. 2) 做得我都变绿了! Problems # Name A Team Olympiad standard input/output 1 s, 256 MB x2377 B Queue standard input/output 2 s, 256 MB x1250 C Hacking Cypher standard input/output 1 s, 256 MB x740 D Chocolate standard in…
Codeforces Round #262 (Div. 2) 1003 C. Present time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Little beaver is a beginner programmer, so informatics is his favorite subject. Soon his info…
Codeforces Round #262 (Div. 2) 1004 D. Little Victor and Set time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Little Victor adores the sets theory. Let us remind you that a set is a group of…
Codeforces Round #383 (Div. 2) A. Arpa's hard exam and Mehrdad's naive cheat 题意 求1378^n mod 10 题解 直接快速幂 代码 #include<bits/stdc++.h> using namespace std; long long quickpow(long long m,long long n,long long k) { long long b = 1; while (n > 0) { if…
