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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. int n, count = 0;
  6. cin >> n;
  7.  
  8. while (n != 0) {
  9. count++;
  10. n /= 10;
  11. }
  12.  
  13. cout << count;
  14. return 0;
  15. }
  16.  
Success #stdin #stdout 0s 5324KB
stdin
67554
stdout
5