http://poj.org/problem?id=3080
1 #include<cstdio> 2 #include<cstring> 3 #include<algorithm> 4 using namespace std; 5 char s[100][100],s1[100],s2[100]; 6 int main() 7 { 8 int t,m,j,h; 9 scanf("%d",&t); 10 while(t--) 11 { 12 scanf("%d",&m); 13 s2[0]='