View Compilation Error

0_0_39670185_2884.cpp: In function 'int main()':
0_0_39670185_2884.cpp:11:17: error: 'memset' was not declared in this scope
   11 |                 memset(hash, 0, sizeof(hash));
      |                 ^~~~~~
0_0_39670185_2884.cpp:2:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    1 | #include <cstdio>
  +++ |+#include <cstring>
    2 |