View Compilation Error

0_0_8378997_26023.cpp:3: error: size of array `a' is too large
0_0_8378997_26023.cpp: In function `int main()':
0_0_8378997_26023.cpp:21: error: `a' undeclared (first use this function)
0_0_8378997_26023.cpp:21: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8378997_26023.cpp:23: error: `max' undeclared (first use this function)