题解 | 查找学生信息

#include <iostream>
#include<string>
#include<map>
using namespace std;
int main() {
    int n;
    cin >> n;
    string str;
    getchar();
    map<string, string>m;
    for (int i = 0; i < n; ++i) {
        getline(cin, str);
        int j = 0;
        for (; str[j] != ' '; ++j);
        m[string(str.begin(), str.begin() + j)] = str;
    }
    cin >> n;
    for (int i = 0; i < n; ++i) {
        cin >> str;
        if(m.find(str)!=m.end())
        cout << m[str] << endl;
        else
        cout<<"No Answer!"<<endl;
    }
}
// 64 位输出请用 printf("%lld")

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