Is there any problem in this code?

#1

#include
using namespace std;
void exchange ( long long int N){
long long int newno = 0, count = 1;
while( N > 0 ){
int digit = N% 10;
if( digit == 0){
digit = 5;
}
newno += digit * count;
count *= 10;
N = N/10;
}
cout << newno;
}
int main() {
long long int n;
cin >>n;
exchange(n);
return 0;
}

#2

hi @akki56756_bab14f919dbad123
just add a base case that if n is 0, then return 5…
corrected code -->

#3

hi @akki56756_bab14f919dbad123
i hope it’s clear now??

#4

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