11371 accepted.cpp

#include <bits/stdc++.h>
using namespace std;

int main()
{
    string n,a;
    long long s,b,c,d,l;
    while(cin>>n){
        sort(n.begin(),n.end());
        a=n;
        if(a[0]=='0'){
            for(int i=1; i<n.size(); i++){
                if(a[i]!='0'){
                    swap(a[0],a[i]);
                    break;
                }
            }
        }
        reverse(n.begin(),n.end());
        b=atoll(n.c_str());
        c=atoll(a.c_str());
        if(b<c)
            swap(b,c);
        s=b-c;
        d=s/9;
        printf("%lld - %lld = %lld = 9 * %lld\n",b,c,s,d);
    }
    return 0;
}