View Compilation Error

0_0_39053563_27167.cpp: In function 'int main()':
0_0_39053563_27167.cpp:23:17: error: 'memset' was not declared in this scope
   23 |                 memset(q, 0, sizeof(q));
      |                 ^~~~~~
0_0_39053563_27167.cpp:4:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    3 | #include <algorithm>
  +++ |+#include <cstring>
    4 | #define il inline