A. Letters Cyclic Shift 题目连接: http://www.codeforces.com/contest/708/problem/A Description You are given a non-empty string s consisting of lowercase English letters. You have to pick exactly one non-empty substring of s and shift all its letters 'z'…

2017-08-25 15:32:14 writer:pprp 题目: B. Rectangles time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given n × m table. Each cell of the table is colored white or black. Find the numbe…

rating又掉下去了.好不容易蓝了.... A..没读懂题,wa了好几次,明天问队友补上... B. Checkpoints 题意:一条直线上n个点x1,x2...xn,现在在位置a,求要经过任意n-1个点的最小路程 题解:分类讨论,乱搞搞总会出来的,我大概写的很笨…… #include <bits/stdc++.h> using namespace std; typedef long long ll; ]; ll cal(ll x, ll a, ll z) { +(z-a) , (z-a)…

A. Juicer time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Kolya is going to make fresh orange juice. He has n oranges of sizes a1, a2, ..., an. Kolya will put them in the juicer in the fixe…

题目链接: C. Letters Cyclic Shift 题意: 现在一串小写的英文字符,每个字符可以变成它前边的字符即b-a,c-a,a-z这样,选一个字串变换,使得得到的字符串字典序最小; 思路: 贪心,尽量让前边的字典序变小; AC代码: #include <iostream> #include <cstdio> #include <cstring> #include <algorithm> #include <cmath> #inclu…

A. Diversity time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Calculate the minimum number of characters you need to change in the string s, so that it contains at least k different letters,…

A. Diversity time limit per test:1 second memory limit per test:256 megabytes input:standard input output:standard output Calculate the minimum number of characters you need to change in the string s, so that it contains at least k different letters,…

#include <iostream> using namespace std; ]; int main() { int n, b, d; cin >> n >> b >> d; ; i <= n; i++) { cin >> a[i]; } , tmp = ; ; i <= n; i++) { if (a[i] > b) { continue; } tmp += a[i]; if (tmp > d) { tmp = ;…

虽然打的时候是深夜但是状态比较好 但还是犯了好多错误..加分场愣是打成了降分场 ABC都比较水 一会敲完去看D 很快的就想出了求0和1个数的办法 然后一直wa在第四组..快结束的时候B因为低级错误被hack了...做完B想出了D的正解企图绝杀..然而还是失败了.. 想了想还是由于自己不够认真吧..手速做完前三题 看着能涨分的名次就不太努力的做D了..中间还水了一下群..浪费了很多时间 导致最后没有能够完成D A n个数 大于b被抛弃 不然就加入容器 如果容器中的和大于d 清理容器 直接模拟就好…

Description Vasya takes part in the orienteering competition. There are n checkpoints located along the line at coordinates x1, x2, ..., xn. Vasya starts at the point with coordinate a. His goal is to visit at least n - 1 checkpoint in order to finis…