题解

#include<bits/stdc++.h>
using namespace std;
struct student{  //结构体定义
	string name ,jnum ,dnum;
};
int main(){
    int n;
    cin >> n;
    student s[n + 1] = {};
    for(int i = 1 ; i <= 3 * n ; i++){
        string c;
        int a ,b;
        cin >> a >> b >> c;  //输入
        if(b == 2)
            s[a].name = c;
        else if(b == 3)
            s[a].jnum = c;
        else if(b == 4)
            s[a].dnum = c;
    }
    for(int i = 1 ; i <= n ; i++)  //遍历输出
        cout << i << " "<< s[i].name << " " << s[i].jnum << " " << s[i].dnum << "\n";
    return 0;  
}