View Compilation Error

0_0_26195839_15969.cpp: In function 'int bfs()':
0_0_26195839_15969.cpp:79:39: error: 'memset' was not declared in this scope
 memset(visited, false, sizeof(visited)); //把这个访问数组初始化错写为 cube的初始化，导致WA错误
                                       ^