View Compilation Error

0_0_38602545_23030.cpp: In function 'int sg(int)':
0_0_38602545_23030.cpp:15:5: error: 'memset' was not declared in this scope
     memset(visited,0,sizeof(visited));
     ^~~~~~
0_0_38602545_23030.cpp:15:5: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
0_0_38602545_23030.cpp:3:1:
+#include <cstring>
 using namespace std;
0_0_38602545_23030.cpp:15:5:
     memset(visited,0,sizeof(visited));
     ^~~~~~
0_0_38602545_23030.cpp: In function 'int main()':
0_0_38602545_23030.cpp:32:9: error: 'memset' was not declared in this scope
         memset(dp,-1,sizeof(dp));
         ^~~~~~
0_0_38602545_23030.cpp:32:9: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?