Question

write a program to find if its divisable by 8 or not

Answer 1

Answer:

#include <bits/stdc++.h>

using namespace std;

bool isDiv8(string num){

  int n = num.length();

  int last_three_digit_val = (num[n-3] - '0') * 100 + (num[n-2] - '0') * 10 + ((num[n-1] - '0'));

  if(last_three_digit_val % 8 == 0)

     return true;

     return false;

}

int main() {

  string num = "1754586672360";

  if(isDiv8(num)){

     cout << "Divisible";

  }else{

     cout << "Not Divisible";

  }

}

Explanation: