POJ 2876

 1 #include<iostream>
 2 #include<string>
 3 using namespace std;
 4 
 5 string s[13];
 6 
 7 int main()
 8 {
 9     //freopen("acm.acm","r",stdin);
10     string tem;
11     int i;
12     s[0] = "-";
13     for(i = 1; i < 13; ++ i)
14     {
15         s[i] += s[i-1];
16         s[i] += s[i-1];
17         s[i] += s[i-1];
18         fill_n(s[i].begin()+s[i-1].length(),s[i-1].length(),‘ ‘);
19     }
20     while(cin>>i)
21     {
22         cout<<s[i]<<endl;
23     }
24 }