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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int m,n;
  6.  
  7. int main(){
  8. 	cin >> m >> n;
  9. 	if (m<n) swap(m,n);
  10. 	cout << (m/2)*n + (m%2)*(n/2);
  11. 	return 0;
  12. }
Success #stdin #stdout 0s 16064KB
comments (?)
stdin 
4 3
stdout 
6
https://ideone.com/aH5XtL
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

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