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algorithm/Week_04/id_119/LeetCode_720_119.cpp at master · feixiangcode/algorithm · GitHub
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Week_04
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id_119
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LeetCode_720_119.cpp
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id_119
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LeetCode_720_119.cpp
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class
Solution
{
public:
string
longestWord
(vector<string>& words) {
string res =
"
"
;
unordered_set<string> s;
sort
(words.
begin
(), words.
end
());
for
(string word:words) {
if
(word.
size
() ==
1
|| s.
count
(word.
substr
(
0
, word.
size
() -
1
))) {
res = word.
size
() > res.
size
() ? word : res;
s.
insert
(word);
}
}
return
res;
}
};
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