View Compilation Error

0_0_39803733_20564.cpp: In function 'int main()':
0_0_39803733_20564.cpp:41:9: error: 'memset' was not declared in this scope
   41 |         memset(val,0,sizeof(val));
      |         ^~~~~~
0_0_39803733_20564.cpp:5:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    4 | #include<cmath>
  +++ |+#include <cstring>
    5 | using namespace std;