View Compilation Error

0_0_9688956_3822.cpp: In function `int main()':
0_0_9688956_3822.cpp:5: error: conflicting declaration 'int a[100]'
0_0_9688956_3822.cpp:4: error: 'a' has a previous declaration as `int a'
0_0_9688956_3822.cpp:5: error: declaration of `int a[100]'
0_0_9688956_3822.cpp:4: error: conflicts with previous declaration `int a'
0_0_9688956_3822.cpp:8: error: invalid types `int[int]' for array subscript
0_0_9688956_3822.cpp:9: error: invalid types `int[int]' for array subscript
0_0_9688956_3822.cpp:11: error: invalid types `int[int]' for array subscript