0_0_39758714_515.cpp: In function 'int main()':
0_0_39758714_515.cpp:22:17: error: 'memset' was not declared in this scope
22 | memset(isGo, 0, sizeof(isGo[0]));
| ^~~~~~
0_0_39758714_515.cpp:5:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
4 | #include <queue>
+++ |+#include <cstring>
5 | using namespace std;
|