Create a c program to read 3 unique(integer) numbers, find the largest and smallest numbers and print them to the screen. if the numbers are not unique, your program should print an appropriate message and exit. otherwise, it should identify the smallest and largest numbers and print them to the screen.

// here is code in C

#include <stdio.h>

// main function

int main(void) {

// variables

int a,b,c;

int mx,mn;

printf("Enter three numbers: ");

 // read the 3 numbers

scanf("%d %d %d",&a,&b,&c);

 // if all are not different

if(a==b||a==c||b==c)

{

    printf("all numbers are not different:");

}

// find the largest

else{

    if(a>b)

    {

        if(a>c)

        mx=a;

        else

        mx=c;

    }

    else{

        if(b>c)

        mx=b;

        else

        mx=c;

    }

// find the smallest

    if(a<b)

    {

        if(a<c)

        mn=a;

        else

        mn=c;

    }

    else{

        if(b<c)

        mn=b;

        else

        mn=c;

    }

}

// print largest and smallest

printf("largest of all is: %d \n",mx);

printf("smallest of all is: %d",mn);

return 0;

}

Explanation:

Read three numbers and assign them to variables "a","b" and "c" respectively. Check if all the numbers are different or not.If all are not different then print message "all are not different.".Otherwise find the largest and assign to "mx" and then find the smallest and assign to "mn".Print the largest and smallest of all three.

Output:

Enter three numbers:5 2 9

largest of all is: 9

smallest of all is: 2

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