0_0_38932805_28111.cpp: In function 'int main()':
0_0_38932805_28111.cpp:23:9: error: 'memset' was not declared in this scope
23 | memset(mach,0,sizeof(mach));
| ^~~~~~
0_0_38932805_28111.cpp:5:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
4 | #include<algorithm>
+++ |+#include <cstring>
5 | #define L 100005
|