poj 2418 Hardwood Species

#include<iostream>#include<cstdio>#include<cstring>#include<map>#include<string>#include<iomanip>using namespace std;map<string, int> mm;int main(){string name; int cnt = 0;while (getline(cin, name)){mm[name]++;cnt++;}map<string, int>::iterator iter;for (iter = mm.begin(); iter != mm.end(); iter++)cout << iter->first << ' ' << fixed << setprecision(4) << (100.0*mm[iter->first])/cnt<< endl;return 0;}