Interesting number

#include <bits/stdc++.h>
#define _ ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0), cout.precision(6);
 
using namespace std;
 
int main(){ _
	int ans[20] = {2, 3, 5, 7, 11, 101, 131, 151, 181, 191, 313, 353, 373, 383, 727, 757, 787, 797, 919, 929};
	//set<int> si;
//	for(int i = 0; i < 21; ++i)	si.insert(anss[i]);
	
	int TC;	cin >> TC;
	while(TC--){
		int n, num;	cin >> n;
		for(int i = 0; i < n; ++i){
			cin >> num;
			for(int j = 0; j < 20; ++j)
				if(ans[j] == num)	cout << num << endl;
		}
	}
 
	return 0;
}
 

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED