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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. int s=0,a,b,n;
  6. cin>>a>>b;
  7. for(;a<=b;2*a++)
  8. {if(a%2==0)
  9. s=s+a;
  10. }
  11. cout<<s;
  12. 	return 0;
  13. }
Success #stdin #stdout 0s 5540KB
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https://ideone.com/zSPTNy
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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