#include<stdio.h> #include<math.h> #include<string.h> int main() { int a, b, c; double s; double p; while (scanf("%d%d%d", &a, &b, &c) != EOF) { p = (a + b + c) / 2.0; s = sqrt(p*(p - a)*(p - b)*(p - c)); printf("%.2f\n", s); } return 0; } |
Double click to view unformatted code.