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  1. #include<iostream>
  2. using namespace std;
  3. int main(){
  4.     //declaration
  5.     int n,m;
  6.     //input
  7.     cin>>m>>n;
  8.     //process and output
  9.     cout <<m*n/2<<endl;
  10.     return 0;
  11. }
Success #stdin #stdout 0.01s 5508KB
comments (?)
stdin 
Standard input is empty
stdout 
490931648
https://ideone.com/6J0Jy3
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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