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algorithm/Week_04/id_102/leetcode_242_102.cpp at master · feixiangcode/algorithm · GitHub
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id_102
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leetcode_242_102.cpp
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leetcode_242_102.cpp
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class
Solution
{
public:
int
majorityElement
(vector<
int
>& nums) {
/*
建立hash表 key-value
*/
unordered_map<
int
,
int
> map;
int
ret =
0
;
int
len = nums.
size
();
for
(
int
i =
0
; i < len; i++) {
map[nums[i]]++;
if
(map[nums[i]]>len/
2
) {
ret = nums[i];
break
;
}
}
return
ret;
}
};
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