View Compilation Error

0_0_39073570_13961.cpp: In function 'int main()':
0_0_39073570_13961.cpp:24:17: error: 'memset' was not declared in this scope
   24 |                 memset(flag, 1, sizeof(flag));
      |                 ^~~~~~
0_0_39073570_13961.cpp:11:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
   10 | #include <set>
  +++ |+#include <cstring>
   11 | 
0_0_39073570_13961.cpp:43:10: error: expected '}' at end of input
   43 |         }
      |          ^
0_0_39073570_13961.cpp:15:1: note: to match this '{'
   15 | {
      | ^