STL

#include<stdio.h>#include<iostream>#include<algorithm>#include<string>#include<map>using namespace std;map<string,int>myMap;char a[2010];int main(){    int N;    scanf("%d",&N);    getchar();    while(N--)    {        string str;        cin >> str;        gets(a);        myMap[str]++;    }    map<string,int>::iterator i;    for(i = myMap.begin(); i != myMap.end(); i++)        cout << (*i).first << " " << (*i).second << endl;    return 0;}