NOI：7909 统计数字

转载：https://blog.csdn.net/hg_zhh/article/details/54944121

题目链接

题解：数据范围（long long -922337203685775808~922337203685775807)

          map使用方法(map[m]++)

#include<iostream>
#include<cstdio>
#include<algorithm>
#include<map>

using namespace std;
map<long long int  ,int> maps;
int main()
{
    int n,i;
    long long int m;
    cin>>n;
    for (i=0;i<n;i++)
    {
        cin>>m;
        maps[m]++;
    }
    for (map<long long int ,int>::iterator t=maps.begin();t!=maps.end();t++)
        cout<< t->first <<" "<<t->second<<endl;
    return 0;
}