CF899A Splitting in Teams 题意翻译 n个数,只有1,2,把它们任意分组,和为3的组最多多少 题目描述 There were nn groups of students which came to write a training contest. A group is either one person who can write the contest with anyone else, or two people who want to write the cont…

A. Splitting in Teams time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output There were n groups of students which came to write a training contest. A group is either one person who can write the…

  A. Splitting in Teams   time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output There were n groups of students which came to write a training contest. A group is either one person who can write…

[链接] 我是链接,点我呀:) [题意] 在这里输入题意 [题解] 贪心 1优先和2组队. 如果1没有了 就结束. 如果1还有多余的. 那么就自己3个3个组队 [代码] #include <bits/stdc++.h> using namespace std; const int N = 2e5; int n; int a[3]; int main(){ #ifdef LOCAL_DEFINE freopen("rush_in.txt", "r", st…

Rounding Solution Proper Nutrition 枚举 Solution Phone Numbers 模拟 Solution Alarm Clock 贪心,好像不用线段树也可以,事实证明我很擅长想得太多. Solution Squares and not squares 以后再也不用qsort了 Solution Restoring the Expression 用哈希真的很讨厌好吗?你们怎么从来不考虑冲突的问题,用的那么毫无负担呢? Splitting in Teams S…

Codeforces Round #452 (Div. 2) A Splitting in Teams 题目链接: http://codeforces.com/contest/899/problem/A 思路: 统计1和2出现的次数,尽量使2能够与1匹配尽可能多用.假设1再匹配完2之后还有剩余,则求出3个1可组成的方案 代码: #include <bits/stdc++.h> using namespace std; typedef long long ll; const int maxn =…

B. Alice, Bob, Two Teams 题目连接: http://www.codeforces.com/contest/632/problem/B Description Alice and Bob are playing a game. The game involves splitting up game pieces into two teams. There are n pieces, and the i-th piece has a strength pi. The way…

B. Alice, Bob, Two Teams time limit per test 1.5 seconds memory limit per test 256 megabytes input standard input output standard output Alice and Bob are playing a game. The game involves splitting up game pieces into two teams. There are n pieces,…

在 Bash manual 里叫 Word Splitting,在 Posix 规范里叫 Field Splitting,这两者指的是同一个东西,我把它翻译成“分词”,下面我就说三点很多人都忽略掉(或者说从没仔细考虑过)的分词细节. 1. 分隔符到底是字符还是字符串? IFS 里面可以包含多个字符,那么在分词的过程中,是 IFS 中的每个单独的字符作为分隔符,还是由这些字符组合成的任意字符串作为分隔符?我们写个简单的例子证明一下: $ var=a12b21c IFS=12 $ printf "&…

Rnadom  Teams 题目链接:http://acm.hust.edu.cn/vjudge/contest/view.actioncid=88890#problem/B 题目: Description n participants of the competition were split into m teams in some manner so that each team has at least one participant. After the competition eac…