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author冯昶 <fengchang@novel-supertv.com>2023-11-20 15:40:49 +0800
committer冯昶 <fengchang@novel-supertv.com>2023-11-20 15:40:49 +0800
commit72dc5412e640e26601ffdebc4f0247db4c4bc7fe (patch)
treed405aa98925dfed0b745e5ec331e9498005b1de7 /challenge-243/eric-cheung/python/ch-1.py
parent35d79358f3d12607da66ffefefed5e93c469d396 (diff)
parentfda51162ad0e1e8b4489fd2c73ef7dfdc8f0df5e (diff)
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Merge remote-tracking branch 'upstream/master'
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-rwxr-xr-xchallenge-243/eric-cheung/python/ch-1.py18
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diff --git a/challenge-243/eric-cheung/python/ch-1.py b/challenge-243/eric-cheung/python/ch-1.py
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+
+from itertools import combinations
+
+def IsReversePair (arrInput):
+ if arrInput[0] > 2 * arrInput[1]:
+ return True
+ return False
+
+
+## arrNum = [1, 3, 2, 3, 1] ## Example 1
+arrNum = [2, 4, 3, 5, 1] ## Example 2
+
+
+arrCombList = combinations(arrNum, 2)
+arrOutputList = [arrLoop for arrLoop in list(arrCombList) if IsReversePair(arrLoop)]
+
+
+print (len(arrOutputList))