문제
풀이
#include <iostream>
#include <sstream>
#include <string>
using namespace std;
void solve(void) {
string s; getline(cin, s);
stringstream ss(s); string t;
while (ss >> t) cout << (t.length() == 4 ? "****" : t) << " ";
cout << "\n\n";
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n; cin >> n;
cin.ignore();
while (n--) solve();
return 0;
}