View Compilation Error

0_0_39664873_7075.cpp: In function 'int main()':
0_0_39664873_7075.cpp:28:10: error: 'memset' was not declared in this scope
   28 |          memset(a, 0, sizeof a);
      |          ^~~~~~
0_0_39664873_7075.cpp:3:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    2 | #include<algorithm>
  +++ |+#include <cstring>
    3 | using namespace std;