/*
 * C program to find the area of a triangle, given three sides
 */
#include <stdio.h>
#include <math.h>

void main()
{
    int s, a, b, c, area;
    printf("Enter the values of a, b and c \n");
    scanf("%d %d %d", &a, &b, &c);
    /* compute s */
    s = (a + b + c) / 2;
    area = sqrt(s * (s - a) * (s - b) * (s - c));
    printf("Area of a triangle = %d \n", area);
}