View Compilation Error

0_0_31423788_30919.cpp: In function 'int mapp()':
0_0_31423788_30919.cpp:45:36: error: expected ')' at end of input
             memset(used, 0, sizeof(used
                                    ^
0_0_31423788_30919.cpp:45:36: error: expected ')' at end of input
0_0_31423788_30919.cpp:45:36: error: expected '}' at end of input
0_0_31423788_30919.cpp:45:36: error: expected '}' at end of input
0_0_31423788_30919.cpp:45:36: error: expected '}' at end of input