findthedigit.cxx

#include <iostream>
#include <cstdlib>

using namespace std;
int main(){
    int num;
    char digit;
    char chnum[8];
    cout<<"enter a num & a digit to find"<<endl;
    cin >> num;
    cin>> digit;
//  cout << "num%digit"<<num % atoi(&digit)<<endl;
    for (int i=0; i<=abs(num);i++){
        sprintf(chnum, "%i",i);
        for(int j=0;j<strlen(chnum);j++){
            if(*(chnum+j)==digit){
                cout <<i<<endl;
                break;
            }
        }
    }
}