BOJ 24606 - Double Password [C++]

문제

링크

풀이

#include <iostream>
#include <string>
using namespace std;
 
void solve(void) {
  string a; cin >> a;
  string b; cin >> b;
 
  int ans = 1;
  for (int i=0; i<4; i++) {
    ans *= (a[i] != b[i]) + 1;
  }
  cout << ans;
}
 
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
 
  solve();
  return 0;
}