View Compilation Error

0_0_24837771_28290.cpp: In function 'int main()':
0_0_24837771_28290.cpp:7:29: error: conflicting declaration 'long long int a [1]'
         long long a[210],a[1]=a[2]=1;
                             ^
0_0_24837771_28290.cpp:7:19: note: previous declaration as 'long long int a [210]'
         long long a[210],a[1]=a[2]=1;
                   ^