lassie% cc201 allocate2.c
lassie%

lassie% a.out
Enter number of elements in integer array: 10
A[0] = 1
A[1] = 2
A[2] = 4
A[3] = 8
A[4] = 16
A[5] = 32
A[6] = 64
A[7] = 128
A[8] = 256
A[9] = 512
lassie%

lassie% a.out
Enter number of elements in integer array: 20
A[0] = 1
A[1] = 2
A[2] = 4
A[3] = 8
A[4] = 16
A[5] = 32
A[6] = 64
A[7] = 128
A[8] = 256
A[9] = 512
A[10] = 1024
A[11] = 2048
A[12] = 4096
A[13] = 8192
A[14] = 16384
A[15] = 32768
A[16] = 65536
A[17] = 131072
A[18] = 262144
A[19] = 524288
lassie% 

lassie% a.out
Enter number of elements in integer array: 888888888888888888
Error: Oops, we're out of memory

lassie%