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Tuesday, 9 July 2013

C program to find largest digit of a number

Write a C program to find largest digit of a number.


  #include <stdio.h>

  int main() {
        int num, large = 0, rem = 0;

        /* get the input from the user */
        printf("Enter your input value:");
        scanf("%d", &num);

        /* finding the largest digit of the given input */
        while (num > 0) {
                rem = num % 10;

                if (rem > large) {
                        large = rem;
                }

                num = num / 10;
        }

        /* print the largest digit of the number */
        printf("Largest digit of the number is %d\n", large);
        return 0;
  }



  Output:
  jp@jp-VirtualBox:~/$ ./a.out
  Enter your input value:1234589
  Largest digit of the number is 9






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