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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int r, n, k;
  6. 	cin>>n>>k;
  7. 	r=k>3? n*(k-3)-1 : n>1? n-1 : 1;
  8. 	cout<<r;
  9. 	return 0;
  10. }
Success #stdin #stdout 0s 3472KB
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4
https://ideone.com/cWJNQZ
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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