View Compilation Error

0_0_26743187_30724.cpp: In function 'int main()':
0_0_26743187_30724.cpp:54:26: error: 'S' was not declared in this scope
         printf("%d\n",GG[S].size());
                          ^
0_0_26743187_30724.cpp: At global scope:
0_0_26743187_30724.cpp:56:5: error: expected unqualified-id before 'return'
     return 0;
     ^
0_0_26743187_30724.cpp:57:1: error: expected declaration before '}' token
 }
 ^