View Compilation Error

0_0_39498986_27593.cpp:52:5: error: redefinition of 'int a [1001][1001]'
   52 | int a[1001][1001];
      |     ^
0_0_39498986_27593.cpp:15:5: note: 'int a [1001][1001]' previously declared here
   15 | int a[1001][1001];
      |     ^
0_0_39498986_27593.cpp:53:5: error: redefinition of 'int main()'
   53 | int main() {
      |     ^~~~
0_0_39498986_27593.cpp:16:5: note: 'int main()' previously defined here
   16 | int main() {
      |     ^~~~