题解 | #查找学生信息#

#include<iostream>
#include<string>
#include<algorithm>
#include<string>

using namespace std;

struct info {
    string id, name, sex, age;
    bool flag;
    info() {
        flag = false;
    }
    info(int a, int b, int c, int d) {
        id = a, name = b, sex = c, age = d, flag = true;
    }
} stu_info[1001];

int str2int() {
    return 0;
}

int main() {
    int N;
    cin >> N;
    while (N--) {
        string id, name, sex, age;
        cin >> id >> name >> sex >> age;
        int index = stoi(id);
        stu_info[index].id = id, stu_info[index].name = name, stu_info[index].sex = sex,
                       stu_info[index].age = age;
        stu_info[index].flag = true;
    }
    int M;
    cin >> M;
    while (M--) {
        string query;
        cin >> query;
        int query_index = stoi(query);
        info temp = stu_info[query_index];
        if (temp.flag == true) {
            cout << temp.id << " " << temp.name << " " << temp.sex << " " << temp.age <<
                 endl;
        } else {
            cout << "No Answer!" << endl;
        }
    }

}