题解 | #查找学生信息#

#include <iostream>
#include <string>
#include <vector>
using namespace std;
struct Student {
    string num;
    string name;
    string sex;
    int age;
};
int main() {
    int n, m;
    string number;
    cin >> n;
    vector<Student> stu(n);
    for (int i = 0; i < n; i++) {
        cin >> stu[i].num >> stu[i].name >> stu[i].sex >> stu[i].age;
    }
    cin >> m;
    for (int i = 0; i < m; i++) {
        cin >> number;
        bool flag = false;
        for (int i = 0; i < n; i++) {
            if (stu[i].num == number) {
                cout << stu[i].num << " " << stu[i].name << " " << stu[i].sex << " " <<
                     stu[i].age << " "<<endl;;
                flag = true;
                break;
            }
        }
        if (flag != true)
            cout << "No Answer!" << endl;
    }
}
// 64 位输出请用 printf("%lld")