View Compilation Error

0_0_39151168_14240.cpp:6:8: error: expected initializer before 'a'
    6 | }spell a[1000];
      |        ^
0_0_39151168_14240.cpp: In function 'void dfs(int, int)':
0_0_39151168_14240.cpp:20:28: error: 'a' was not declared in this scope
   20 |                         if(a[i].m>=hp){
      |                            ^
0_0_39151168_14240.cpp: In function 'int main()':
0_0_39151168_14240.cpp:35:9: error: 'memset' was not declared in this scope
   35 |         memset(vis,0,sizeof(vis));
      |         ^~~~~~
0_0_39151168_14240.cpp:2:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    1 | #include<iostream>
  +++ |+#include <cstring>
    2 | using namespace std;
0_0_39151168_14240.cpp:37:18: error: 'a' was not declared in this scope
   37 |             cin>>a[i].a>>a[i].m;
      |                  ^