View Compilation Error

0_0_39033521_24317.cpp: In function 'int main()':
0_0_39033521_24317.cpp:19:9: error: 'memset' was not declared in this scope
   19 |         memset(pro,0,sizeof(pro));
      |         ^~~~~~
0_0_39033521_24317.cpp:4:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    3 | #include<algorithm>
  +++ |+#include <cstring>
    4 | using namespace std;