program to find the area of triangle in c

#include<stdio.h>

#include<conio.h>

int main()

{

clrscr();

int a,b,triangle;

printf("enter the value a:");

scanf("%d",&a);

printf("enter the value b:");

scanf("%d",&b);

triangle=(a*b)/2;

printf("the required value is:");

printf("%d",triangle);

getch();

return(0);

}