Machine Learning coder
def ProductPair(input1, input2):
n=input1
arr=input2
if n < 2:
return 0
count = 0
pairs_set = set()
for i in range(n):
for j in range(i + 1, n):
if (arr[i] * arr[j]) % 3 == 0:
pair = tuple(sorted((arr[i], arr[j])))
if pair not in pairs_set:
pairs_set.add(pair)
count += 1
return count
product pair ✅
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