EasyNLPnlp-113

Relation Pair Count

Problem

Given the number of entities found in each sentence, return the total number of unordered entity pairs across all sentences.

A sentence with n entities contributes n * (n - 1) / 2 pairs.

Hint

Count combinations of two entities with integer division.

case 1

in: [[2,3]]

expected: 4

case 2

in: [[1,1]]

expected: 0

case 3

in: [[]]

expected: 0

case 4

in: [[4]]

expected: 6

Starter codePython

def relation_pair_count(counts):
    # Your code here
    pass

4 test cases · run your code against them in the editor