5 processes P0-P4 using 3 resources ABC.
A: 10 instances
B: 5 instances
C: 7 instances

at t0, snapshot:
proc       ALOC		  MAX		avaiable
	A    B    C    A    B    C    A    B    C
P0	0    1    0    7    5    3    3    3    2
P1	2    0    0    3    2    2
P2	3    0    2    9    0    2
P3	2    1    1    2    2    2
P4	0    0    2    4    3    3

banker's agorithim: is system in safe state? yes: what is the safe sequence?