View Compilation Error

0_0_38960402_30896.cpp: In function 'void init()':
0_0_38960402_30896.cpp:17:5: error: 'memset' was not declared in this scope
   17 |     memset(b, 1, sizeof(b));
      |     ^~~~~~
0_0_38960402_30896.cpp:6:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    5 | #include<queue>;
  +++ |+#include <cstring>
    6 | #include<vector>;
0_0_38960402_30896.cpp: In function 'int main()':
0_0_38960402_30896.cpp:70:29: error: 'upper_bound' was not declared in this scope
   70 |                     int p = upper_bound(vis[i].begin(), vis[i].end(), r)-lower_bound(vis[i].begin(), vis[i].end(), l);
      |                             ^~~~~~~~~~~
0_0_38960402_30896.cpp:80:25: error: 'upper_bound' was not declared in this scope
   80 |                 int p = upper_bound(vis[d].begin(), vis[d].end(), r) - lower_bound(vis[d].begin(), vis[d].end(), l);
      |                         ^~~~~~~~~~~