View Compilation Error

0_0_39590745_9261.cpp: In function 'int main()':
0_0_39590745_9261.cpp:11:18: error: 'memset' was not declared in this scope
   11 | #define Mem(a,x) memset(a,x,sizeof(a))
      |                  ^~~~~~
0_0_39590745_9261.cpp:29:5: note: in expansion of macro 'Mem'
   29 |     Mem(dp,0);
      |     ^~~
0_0_39590745_9261.cpp:6:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    5 | #include <algorithm>
  +++ |+#include <cstring>
    6 |