View Compilation Error

0_0_39367940_7840.cpp: In function 'int main()':
0_0_39367940_7840.cpp:33:9: error: 'memset' was not declared in this scope
   33 |         memset(col, 0, sizeof col); //清空，准备计算下一个N皇后问题
      |         ^~~~~~
0_0_39367940_7840.cpp:4:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    3 | #include <cmath>
  +++ |+#include <cstring>
    4 | using namespace std;