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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6. 	int a, b;
  7.  
  8. 	cin >> a >> b;
  9. 	cout << a*b-a-b;
  10.  
  11. 	return 0;
  12. }
Success #stdin #stdout 0s 16048KB
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https://ideone.com/GRSVz8
КМ 194
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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