Lang:G++
Edit12345678910111213#include <bits/stdc++.h>using namespace std;int main(){//freopen("../input.txt", "r", stdin);int p, q; cin>>p>>q;set<int> rc, ans;while(!rc.count(p)){rc.insert(p), p *= 10;ans.insert(p / q), p %= q;}for(auto a:ans) cout<<a; cout<<endl;return 0;}