View Compilation Error

0_0_39470639_24176.cpp: In function 'void solve()':
0_0_39470639_24176.cpp:106:9: error: 'memset' was not declared in this scope
  106 |         memset(ne, 0, sizeof(ne));
      |         ^~~~~~
0_0_39470639_24176.cpp:7:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    6 | #include<cmath>
  +++ |+#include <cstring>
    7 | #include<vector>