Huangzj
55 lines
1003 B
Go
55 lines
1003 B
Go
/*
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* @Author : huangzj
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* @Time : 2020/12/24 15:18
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* @Description：
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*/
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package simple
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import (
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"fmt"
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"testing"
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)
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type MajorityElement1 struct{}
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func (MajorityElement1) Description(string) string {
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return `
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给定一个大小为 n 的数组，找到其中的多数元素。多数元素是指在数组中出现次数大于 ⌊ n/2 ⌋ 的元素。
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你可以假设数组是非空的，并且给定的数组总是存在多数元素。
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示例 1:
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输入: [3,2,3]
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输出: 3
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示例 2:
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输入: [2,2,1,1,1,2,2]
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输出: 2
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`
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}
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//思路说明：
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func majorityElement1(nums []int) int {
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var result, count int
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for _, num := range nums {
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if count == 0 {
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result = num
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count++
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continue
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}
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if num == result {
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count++
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continue
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}
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count--
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}
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return result
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}
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func TestMajorityElement1(t *testing.T) {
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fmt.Println(majorityElement1([]int{3, 2, 3}))
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fmt.Println(majorityElement1([]int{2, 2, 1, 1, 1, 2, 2}))
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fmt.Println(majorityElement1([]int{3, 3, 4}))
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}
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