View Compilation Error

68387_0_24249.cpp:2: error: size of array `a' is too large
68387_0_24249.cpp: In function `int main()':
68387_0_24249.cpp:15: error: `a' undeclared (first use this function)
68387_0_24249.cpp:15: error: (Each undeclared identifier is reported only once for each function it appears in.)