题解 | #记票统计#

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

int findV(vector<string> &arr, string s)
{
    int i = 0;
    for(; i < arr.size(); i++)
    {
        if(arr[i] == s)
        return i;
    }
    return i;
}

int main() {
    int n;
    cin >> n;
    vector<string> arr;
    for(int i = 0; i < n; i++)
    {
        string s;
        cin >> s;
        arr.push_back(s);
    }
    int m;
    cin >> m;
    vector<int> ans(arr.size()+1, 0);
    for(int i = 0; i < m; i++)
    {
        string s;
        cin >> s;
        ans[findV(arr, s)]++;
    }

    for(int i = 0; i < arr.size(); i++)
    {
        cout << arr[i] << " : " << ans[i] << endl;
    }
    cout << "Invalid" << " : " << ans[arr.size()] << endl;
}
// 64 位输出请用 printf("%lld")