0_0_39367939_24826.cpp: In function 'int main()':
0_0_39367939_24826.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_39367939_24826.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;
|