#abc159d. [abc159_d]Banned K
[abc159_d]Banned K
Problem Statement
We have balls. The -th ball has an integer written on it.
For each , solve the following problem and print the answer.
- Find the number of ways to choose two distinct balls (disregarding order) from the balls other than the -th ball so that the integers written on them are equal.
Constraints
- All values in input are integers.
Input
Input is given from Standard Input in the following format:
Output
For each , print a line containing the answer.
Sample Input 1
5
1 1 2 1 2
Sample Output 1
2
2
3
2
3
Consider the case for example. The numbers written on the remaining balls are .
From these balls, there are two ways to choose two distinct balls so that the integers written on them are equal.
Thus, the answer for is .
Sample Input 2
4
1 2 3 4
Sample Output 2
0
0
0
0
No two balls have equal numbers written on them.
Sample Input 3
5
3 3 3 3 3
Sample Output 3
6
6
6
6
6
Any two balls have equal numbers written on them.
Sample Input 4
8
1 2 1 4 2 1 4 1
Sample Output 4
5
7
5
7
7
5
7
5