cf C. Secrets

http://codeforces.com/contest/334/problem/C

 1 #include <cstdio>
 2 #include <iostream>
 3 #include <cstring>
 4 #include <algorithm>
 5 using namespace std;
 6 
 7 long long n;
 8 int main()
 9 {
10     cin>>n;
11     while(n%3==0)
12     {
13         n/=3;
14     }
15     cout<<n/3+1<<endl;
16     return 0;
17 }
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posted @ 2014-04-20 13:17  null1019  阅读(122)  评论(0)    收藏  举报