View Compilation Error

0_0_5428354_18210.cpp:5: error: size of array `arr' is too large
0_0_5428354_18210.cpp: In function `int main()':
0_0_5428354_18210.cpp:19: error: `arr' undeclared (first use this function)
0_0_5428354_18210.cpp:19: error: (Each undeclared identifier is reported only once for each function it appears in.)