Codeforces 864 A Fair Game 水题

　　题目链接： http://codeforces.com/problemset/problem/864/A

　　题目描述：看不是是不是一串数中只有两种数且这两种数字的数量是相同的

　　解题思路：水题，水过去

　　代码：

#include <iostream>
#include <cstdio>
#include <map>
#include <iterator>
using namespace std;map<int, int > m;
int main() {int n;cin >> n;int cnt = 0;for( int i = 0; i < n; i++ ) {int num;cin >> num;if( m[num] == 0 ) cnt++;m[num]++;}if( cnt == 2 ) {map<int, int>::iterator it;it = m.begin();int temp = it->second;int ans = it->first;it++;if( temp == it->second ) {cout << "YES" << endl;cout << ans << " " << it->first << endl;}else {cout << "NO" << endl;}}else {cout << "NO" << endl;}return 0;
}

View Code

　　思考：十分钟做出来的......读题读了六分钟，真的菜

http://codeforces.com/problemset/problem/864/A

转载于:https://www.cnblogs.com/FriskyPuppy/p/7599179.html

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