Check if a large number is divisible by 25 or not | C ++ program to find if a number is divisible by 25 or not ; Function to find that number divisible by 25 or not . ; If length of string is single digit then it 's not divisible by 25 ; Driver code
#include <bits/stdc++.h> NEW_LINE using namespace std ; bool isDivisibleBy25 ( string str ) { int n = str . length ( ) ; if ( n == 1 ) return false ; return ( ( str [ n - 1 ] - '0' == 0 && str [ n - 2 ] - '0' == 0 ) || ( ( str [ n - 2 ] - '0' ) * 10 + ( str [ n - 1 ] - '0' ) ) % 25 == 0 ) ; } int main ( ) { string str = "76955" ; isDivisibleBy25 ( str ) ? cout << " Yes " : cout << " No ▁ " ; return 0 ; }