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Re:先贴一个bfs,再看看dfsIn Reply To:先贴一个bfs,再看看dfs Posted by:TSERROF at 2012-10-19 11:01:38 > #include<iostream>
> #include <queue>
> using namespace std;
> int n;
> long long BFS()
> {
> queue<long long>ans;
> while(!ans.empty())ans.pop();
> ans.push(1);
> while(!ans.empty())
> {
> if(ans.front()%n==0)return ans.front();
> long long temp=ans.front();
> ans.pop();
> ans.push(temp*10);
> ans.push(temp*10+1);
> }
> return 0;
> }
> int main()
> {
> while(cin>>n && n)cout<<BFS()<<endl;
> return 0;
> }
>
>
>
>
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