HDU 1860 统计字符

 1 #include <iostream>
 2 #include <vector>
 3 #include <cstdio>
 4 #include <cstring>
 5 #include <algorithm>
 6 using namespace std;
 7 
 8 int main(){
 9     vector<string> first,second;
10     string a,b;
11     bool exitFlag = false;
12     while(1){
13         getline(cin,a);
14         if(a == "#") {exitFlag=true;break;}
15         getline(cin,b);
16         first.push_back(a);
17         second.push_back(b);
18     }
19     for(int i = 0; i < first.size(); i ++ ){
20         for(int j = 0; j < first[i].length(); j ++){
21             cout<<first[i][j]<<" "<<count(second[i].begin(),second[i].end(),first[i][j])<<endl;
22         }
23     }
24     return 0;
25 }