View Compilation Error

0_0_5475423_15723.cpp: In function `int main()':
0_0_5475423_15723.cpp:7: error: conflicting declaration 'int a[((unsigned int)((int)h))][((unsigned int)((int)l))]'
0_0_5475423_15723.cpp:5: error: 'a' has a previous declaration as `int a'
0_0_5475423_15723.cpp:7: error: declaration of `int a[((unsigned int)((int)h))][((unsigned int)((int)l))]'
0_0_5475423_15723.cpp:5: error: conflicts with previous declaration `int a'
0_0_5475423_15723.cpp:12: error: invalid types `int[int]' for array subscript