View Compilation Error

0_0_39893122_138.cpp:3:41: error: conflicting declaration 'int ok [100]'
    3 | int n,vis[1005][1005],ok,sum=0,ans[100],ok[100];
      |                                         ^~
0_0_39893122_138.cpp:3:23: note: previous declaration as 'int ok'
    3 | int n,vis[1005][1005],ok,sum=0,ans[100],ok[100];
      |                       ^~
0_0_39893122_138.cpp: In function 'int main()':
0_0_39893122_138.cpp:61:22: error: invalid types 'int[int]' for array subscript
   61 |                 if(ok[n]!=0){
      |                      ^
0_0_39893122_138.cpp:70:19: error: invalid types 'int[int]' for array subscript
   70 |                 ok[n]=1;
      |                   ^