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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. const int TEN = 10;
  5.  
  6. int main() {
  7. 	int n;
  8. 	cin >> n;
  9. 	int countDigits = 1, nCpy = n;
  10. 	while (nCpy >= TEN) {
  11. 		nCpy /= TEN;
  12. 	}
  13. 	while (n > TEN) {
  14. 		if (n % TEN == nCpy) {
  15. 			++countDigits;
  16. 		}
  17. 		n /= TEN;
  18. 	}
  19. 	cout << countDigits;
  20. 	return 0;
  21. }
Success #stdin #stdout 0s 5284KB
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stdin
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1000000000 -> 1
 2542322 -> 4
 555555555 -> 9

2423252 -> 4

325311 -> 2   
6668-> 3  
12311518 -> 4

6544236 - > 2      141131 - > 4    333 -> 3

101 --> 2 / 29 --> 1 / 101010 ---> 3
stdout
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1
https://ideone.com/FSeRzV
language:
C++ (gcc 8.3)
created:
280 days ago
visibility:
public

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