View Compilation Error

0_0_39290055_4027.cpp: In function 'int main()':
0_0_39290055_4027.cpp:17:5: error: 'memset' was not declared in this scope
   17 |     memset(dp,0x3f,sizeof dp);
      |     ^~~~~~
0_0_39290055_4027.cpp:5:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    4 | #include<vector>
  +++ |+#include <cstring>
    5 | using namespace std;