View Compilation Error

69264_0_19755.cpp: In function `int main()':
69264_0_19755.cpp:12: error: conflicting declaration 'int a[100]'
69264_0_19755.cpp:11: error: 'a' has a previous declaration as `int a'
69264_0_19755.cpp:12: error: declaration of `int a[100]'
69264_0_19755.cpp:11: error: conflicts with previous declaration `int a'
69264_0_19755.cpp:20: error: invalid types `int[int]' for array subscript
69264_0_19755.cpp:25: error: invalid types `int[int]' for array subscript
69264_0_19755.cpp:26: error: invalid types `int[int]' for array subscript