Function

#include<stdio.h>
int add (int x, int y)
{
    int result;
    result= x+y;
    printf("Result : %d\n", result);
}
 int sub (int a, int b)
{
    int result;
    result= a-b;
    printf("Result : %d\n", result);
}
float mult (float e, float f)
{
    float result;
   result= (e*f);
    printf("Result : %f\n",result);
}
float div (float j, float k)
{
    float result;
    if(k==0)
        {
             printf("Not Possible \n");
        }
    else
    {
         result= (j/k);
    printf("Result : %f\n", result);
    }
}

int main()
{
    printf("(1) Addition\n");
    printf("(2) Subtraction\n");
    printf("(3) Multiplication \n");
    printf("(4) Division\n");
    printf("(5) Delete\n");
    int choice;
    printf("Enter Your choice: \n");
    scanf("%d", &choice);

    switch(choice){
    case 1:
         printf("For Addition \n");
        int x, y;
        printf("Enter your numbers: \n");
        scanf("%d %d", &x, &y);
        add(x,y);
        break;
    case 2:
         printf("For Subtraction\n");
        int a, b;
        printf("Enter your numbers: \n");
        scanf("%d %d", &a, &b);
        sub(a,b);
        break;

    case 3:
         printf("Fot Multiplication \n");
        float e, f;
        printf("Enter your numbers: \n");
        scanf("%f %f", &e, &f);
        mult(e,f);
        break;
    case 4:
         printf("For Division\n");
        float j, k;
        printf("Enter your numbers: \n");
        scanf("%f %f", &j, &k);
        div(j,k);
        break;
    case 5:
        printf("You Have deleted your program\n");
        break;

    default:
        printf("wrong input");
        break;

    }

    return 0;
}