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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int t;
  6. 	cin >> t;
  7. 	while(t--){
  8. 		string s;
  9. 		cin >> s;
  10. 		int len = s.length();
  11. 		int m=0;
  12. 		for(int i=0; i<len; i++){
  13. 			int t = s[i] - '0';
  14. 			m = m*10 + t;
  15. 		}
  16. 		int n = pow(10, len);
  17. 		cout << m-n << endl;
  18. 	}
  19. 	return 0;
  20. }
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
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7
1
2
178
20
999999999
9000
987654321
stdout
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-9
-8
-822
-80
-1
-1000
-12345679
https://ideone.com/7l3Blz
language:
C++ (gcc 8.3)
created:
16 hours ago
visibility:
public

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