Reverse a Number using Command Line Argument

C Programming Language / Command Line Arguments

3421

---

Program:

#include<stdio.h>
#include<stdlib.h>

int main(int argc, char *argv[])
{
    if(argc==1)
    {
        printf("No Arguments");
        return 0;
    }
    else
    {
        int n,reverseNumber,temp,rem;
        n=atoi(argv[1]);
        temp=n;
        reverseNumber=0;

    while(temp)
    {
        rem=temp%10;
        reverseNumber=reverseNumber*10+rem;
        temp=temp/10;
    }
    
    printf("%d",reverseNumber);
    return 0;
}
}

Output:

123

321

Explanation:

---

---