1- Write a program that will calculate the product of three integers and print the result. 2- Write a program that will calculate the area of a triangle and print the output. Hint area=.5* width * height 3- The below program has errors, trace the below program and mention the errors: #include int main() { int x,y,z, printf ("enter the first initial "); scanf("%c",&initial); printf ("enter the variables "); scanf("%d%d",&x,&y,z); printf (" the variables are %d , %d and %c ",x,y,z); return 0; }