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30 changes: 30 additions & 0 deletions leetcode3/이진희/169. Majority Element.java
Original file line number Diff line number Diff line change
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/*

1. 아이디어 : 공간복잡도를 O(1)로 유지하기 위해, 배열을 미리 정렬 후 완전탐색
9ms, 37.40%가 나왔으므로, 좋은 풀이는 아닌것같음..

2. 시간복잡도 : O(NlogN)

3. 자료구조/알고리즘 : 완전탐색, 정렬

*/

class Solution {
public int majorityElement(int[] nums) {
int idx = 0;
double base = (double)nums.length/2;
int cnt = 1;

for(int i=1; i<nums.length; i++) {
int num = nums[idx];

if(cnt > base) return second;
if( != second) {
idx = i;
}
else cnt++;
}

return nums[idx];
}
}
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