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## Example 1
## arrInputWords = ["cat", "bt", "hat", "tree"]
## strChars = "atach"
## Example 2
arrInputWords = ["hello", "world", "challenge"]
strChars = "welldonehopper"
arrUniqChar = list(set(strChars))
arrUniqCharCount = [strChars.count(charLoop) for charLoop in arrUniqChar]
arrOutputWords = []
nSumCharLength = 0
for strLoop in arrInputWords:
arrCharCount = arrUniqCharCount[:]
bIsFound = True
for charLoop in strLoop:
if not charLoop in arrUniqChar:
bIsFound = False
break
nIndx = arrUniqChar.index(charLoop)
if arrCharCount[nIndx] == 0:
bIsFound = False
break
arrCharCount[nIndx] = arrCharCount[nIndx] - 1
if bIsFound:
arrOutputWords.append(strLoop)
nSumCharLength = nSumCharLength + len(strLoop)
## print (arrOutputWords)
print (nSumCharLength)
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