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  1. #include <math.h>
  2. #include <stdio.h>
  3.  
  4. struct Triangle {
  5.   double a;
  6.   double b;
  7.   double c;
  8. };
  9.  
  10. int main() {
  11.   struct Triangle triangle;
  12.   scanf("%lf %lf %lf", &triangle.a, &triangle.b, &triangle.c);
  13.   double s = (triangle.a + triangle.b + triangle.c) / 2;
  14.   double area = sqrt(s * (s - triangle.a) * (s - triangle.b) * (s - triangle.c));
  15.   printf("Area : %lf\n", area);
  16.   return 0;
  17. }
  18.  
Success #stdin #stdout 0.01s 5296KB
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stdin
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Standard input is empty
stdout
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Area : 0.000000
https://ideone.com/H5UG9p
language:
C (gcc 8.3)
created:
4 hours ago
visibility:
public

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