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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. bool tong(int n){
  5. 	int sum = 0;
  6. 	while(n > 0){
  7. 		sum += n % 10;
  8. 		n /= 10;
  9. 	}
  10. 	return (sum % 10 == 9);
  11. }
  12.  
  13. int32_t main(){
  14. 	ios_base::sync_with_stdio(false);
  15. 	cin.tie(NULL);
  16.  
  17. 	int n;
  18. 	cin >> n;
  19. 	cout << tong(n);
  20.  
  21. 	return 0;
  22. }
Success #stdin #stdout 0.01s 5288KB
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https://ideone.com/4pXoBO
language:
C++14 (gcc 8.3)
created:
3 days ago
visibility:
public

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