View Compilation Error

0_0_39270993_29724.cpp: In function 'void clear()':
0_0_39270993_29724.cpp:52:9: error: 'memset' was not declared in this scope
   52 |         memset(box, 0, sizeof(box));
      |         ^~~~~~
0_0_39270993_29724.cpp:5:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    4 | #include <vector>
  +++ |+#include <cstring>
    5 | struct box {