Largest Divisor
Lesson 30 of 32 in Coddy's Coding Problems course.
Challenge
HardIf you are given a number N. Write a program that will change only one digit of the number, so that we get the largest possible number that is divisible with 3, by changing one digit from the initial number.
Given a natural number N from input. Change one digit from that number, so you get the largest number that is divisible with 3
Input
123
Output
723
Input
999
Output
996
Try it yourself
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int largestNum(int n) {
// Write code here
return 0;
}
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