0_0_38729209_4267.cpp: In function 'void slove()':
0_0_38729209_4267.cpp:45:9: error: 'memset' was not declared in this scope
45 | memset(t, 0, sizeof(t));
| ^~~~~~
0_0_38729209_4267.cpp:13:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
12 | #include <map>
+++ |+#include <cstring>
13 | #define lowbit(x) (x&-x)
|