5431. 민석이의 과제 체크

https://www.swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AWVl3rWKDBYDFAXm

#include <iostream>
using namespace std;
 
int main() {
    int test_case;
    int T;
    cin >> T;
 
    for (test_case = 1; test_case <= T; ++test_case) {
        int people, hw;
        cin >> people >> hw;
 
        int hwvec[100] = { 0, };
        for (int i = 0; i < hw; i++) {
            int inputhw;
            cin >> inputhw;
            hwvec[inputhw] = 1;
        }
 
        cout << "#" << test_case << " ";
 
        for (int i = 1; i <= people; i++) {
            if (hwvec[i] == 0) {
                cout << i << " ";
            }
        }
        cout << endl;
    }
    return 0;
}