View Compilation Error

0_0_38528297_9337.cpp: In function 'int main()':
0_0_38528297_9337.cpp:3:1: error: expected initializer before 'a'
 a[10] = 1;
 ^
0_0_38528297_9337.cpp:4:1: error: 'a' was not declared in this scope
 a[10] = 1;
 ^