View Compilation Error

0_0_23520772_3484.cpp: In function 'void bfs()':
0_0_23520772_3484.cpp:10:35: error: expected primary-expression before 'int'
     memset(flag, 0, sizeof(sizeof int) * (x + 10));
                                   ^
0_0_23520772_3484.cpp:10:35: error: expected ')' before 'int'