Question

David loved numbers. he would like to segregate numbers based on below confirmations.
A number is a positive number which has zeroes present in it.
A number with only leading os will not be considered.
If above two conditions satisfied, he will call it as "valid number" otherwise "invalid number".
Write a program in c to help David to identify number according to above categories.​

Answer 1

Answer:

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Answer 2

Answer:

#include <stdio.h>

int main() {

   int num, temp, remainder, valid = 0;

   printf("Enter a positive number: ");

   scanf("%d", &num);

   temp = num;

   while(temp != 0) {

       remainder = temp % 10;

       if (remainder == 0) {

           valid = 1;

           break;

       }

       temp /= 10;

   }

   if (valid == 1 && num % 10 != 0) {

       printf("%d is a valid number.\n", num);

   } else {

       printf("%d is an invalid number.\n", num);

   }

   return 0;

}

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