0_0_38868829_2443.cpp: In function 'int main()':
0_0_38868829_2443.cpp:36:17: error: 'memset' was not declared in this scope
36 | memset(sub, 0, sizeof(sub)); //初始化sub数组
| ^~~~~~
0_0_38868829_2443.cpp:2:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
1 | #include <iostream>
+++ |+#include <cstring>
2 | using namespace std;
|