Submission #1780164

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Source Code Expand

#include <iostream>
using namespace std;
int main(void) {
  int n;
  cin >> n;
  int r;
  for (r = 0; r * r <= n; r++);
  int maxd = 1;
  for (int i = 2; i < r; i++) {
    if (n % i == 0) {
      maxd = i;
    }
  }
  int ans = 0;
  for (int i = n / maxd; i > 0; i /= 10) {
    ans++;
  }
  cout << ans << endl;
  return 0;
}

Submission Info

Judge Result