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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int main() {
  4.       int a, b, c;
  5.       cin >> a >> b >> c;
  6.       double p = (double) (a+b+c)/2;
  7.       double s = sqrt(p*(p-a)*(p-b)*(p-c));
  8.       cout << fixed << setprecision(2) << s;
  9.  
  10. }
Success #stdin #stdout 0s 5292KB
comments (?)
stdin 
67 37 96
stdout 
911.92
https://ideone.com/U1THye
language:
C++14 (gcc 8.3)
created:
3 days ago
visibility:
public

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