题解 | #记票统计#

#include <iostream>
#include <string>
using namespace std;

int main(){
    
    int n1,n2;
    cin >> n1;
    string str1[n1];
    int cnt = 0;  //记录每个候选人的票数
    int valid = 0;  //记录有效投票的总数
    for(int i = 0; i < n1; i++){
        cin >> str1[i];
    }
    cin >> n2;
    string str2[n2];
    for(int i = 0; i < n2; i++){
        cin >> str2[i];
    }
    
    for(int i = 0; i < n1; i++){
        cnt = 0;
        for(int j = 0; j < n2; j++){
            if(str1[i] == str2[j]){
                cnt++;
                valid++;
            }            
        }   
        if(cnt != 0){
            cout << str1[i] << " " << ":" <<" "<< cnt <<endl;
        }
        else{
            cout << str1[i] << " " << ":" <<" "<< 0 <<endl; //记录没得票的候选人，票数为0
        }
    }
    cout <<"Invalid"<< " " << ":" <<" "<< (n2-valid) <<endl;

    
    
    return 0;
}