Main.cc: In function ‘int main()’: Main.cc:17:12: error: invalid types ‘int[int]’ for array subscript 17 | cin>>a[i][j]; | ^ Main.cc:25:10: error: invalid types ‘int[int]’ for array subscript 25 | if(a[i][j]!=0&&a[i][j]!=1) | ^ Main.cc:25:22: error: invalid types ‘int[int]’ for array subscript 25 | if(a[i][j]!=0&&a[i][j]!=1) | ^ Main.cc:12:6: warning: unused variable ‘n’ [-Wunused-variable] 12 | int n[a][b]; | ^