View Compilation Error

0_0_38143237_22797.cpp: In function 'int main()':
0_0_38143237_22797.cpp:51:29: error: invalid types 'int[int]' for array subscript
         printf("%d\n",a[n][m]);
                             ^
0_0_38143237_22797.cpp:55:3: error: expected ';' before '}' token
   }
   ^