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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int main() {
  4.     ios::sync_with_stdio(false);
  5.     cin.tie(nullptr);
  6.     freopen("STR.INP","r",stdin);
  7.     freopen("STR.OUT","w",stdout);
  8.     string s;
  9.     cin >> s;
  10.     int count = 0;
  11.     for (char c : s) {
  12.         if (c != '0' && c != '1') {
  13.             count++;
  14.         }
  15.     }
  16.     cout << count;
  17.     return 0;
  18. }
Success #stdin #stdout 0.01s 5284KB
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stdin
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101105
stdout
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Standard output is empty
https://ideone.com/4rwpHe
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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