View Compilation Error

0_0_38645522_12257.cpp: In function 'void init()':
0_0_38645522_12257.cpp:8:5: error: 'memset' was not declared in this scope
     memset(dp, 0, sizeof(dp));
     ^~~~~~
0_0_38645522_12257.cpp:8:5: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
0_0_38645522_12257.cpp:3:1:
+#include <cstring>
 using namespace std;
0_0_38645522_12257.cpp:8:5:
     memset(dp, 0, sizeof(dp));
     ^~~~~~