C-Programming/FUNCTIONS.txt at master · adityamangal1/C-Programming · GitHub

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#include<stdio.h>


int add(int a, int b){

    int sum=a+b;
     printf("THE SUM IS %d\n",sum);
}

int sub(int a, int b){

    int result;
    result=a-b;
     printf("THE SUM IS %d\n",result);
}

int mult(int a, int b){

    int result;
    result = a*b;
     printf("THE SUM IS %d\n",result);

}
int main(){

    int num1;
    int num2;
    int n;

    printf("ENTER THE NUM1 AND NUM2: \n");
    scanf("%d", &num1);
    scanf("%d", &num2);

    printf("PRESS 1 for addition.\n");
    printf("PRESS 2 for subtraction.\n");
    printf("PRESS 3 for multiplcation.\n");
    scanf("%d", &n);


if(n==1){

    add(num1, num2);
}
if(n==2){

    sub(num1, num2);
}
if(n==3){

    mult(num1, num2);
}

    return 0;
}