1 #include
      
        2 #include
       
         3 #include
        
          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]='\0';14         bool flag=false;15         for(int i=0; i
         
          0)40                         {41                             flag=true;42                             strcpy(s2,s1);43                         }44                     }45                     else if(strlen(s1)>strlen(s2))46                     {47                         flag=true;48                         strcpy(s2,s1);49                     }50                 }51                 len++;52             }53         }54         if(flag) printf("%s\n",s2);55         else printf("no significant commonalities\n");56     }57     return 0;58 }