Score : 300 points
A company has N members, who are assigned ID numbers 1, ..., N.
Every member, except the member numbered 1, has exactly one immediate boss with a smaller ID number.
When a person X is the immediate boss of a person Y, the person Y is said to be an immediate subordinate of the person X.
You are given the information that the immediate boss of the member numbered i is the member numbered A_i. For each member, find how many immediate subordinates it has.
Input is given from Standard Input in the following format:
N A_2 ... A_N
For each of the members numbered 1, 2, ..., N, print the number of immediate subordinates it has, in its own line.
5 1 1 2 2
2 2 0 0 0
The member numbered 1 has two immediate subordinates: the members numbered 2 and 3.
The member numbered 2 has two immediate subordinates: the members numbered 4 and 5.
The members numbered 3, 4, and 5 do not have immediate subordinates.
10 1 1 1 1 1 1 1 1 1
9 0 0 0 0 0 0 0 0 0
7 1 2 3 4 5 6
1 1 1 1 1 1 0