View Compilation Error

0_0_34664122_813.cpp: In function 'void bfs(int, int)':
0_0_34664122_813.cpp:34:28: error: 'memset' was not declared in this scope
  memset(dist,0,sizeof(dist));
                            ^
0_0_34664122_813.cpp: In function 'int main(int, int)':
0_0_34664122_813.cpp:113:29: error: 'memset' was not declared in this scope
   memset(node,0,sizeof(node));
                             ^