Golang Leetcode 860. Lemonade Change.go

版权声明：原创勿转 https://cloud.tencent.com/developer/article/1420469

思路

按照面额不同的情况分别考虑

code

代码语言：javascript复制

func lemonadeChange(bills []int) bool {
	m := make([]int, 2)
	for i := 0; i < len(bills); i   {
		switch bills[i] {
		case 5:
			m[0]  
			break
		case 10:
			if m[0] <= 0 {
				return false
			}
			m[0]--
			m[1]  
			break
		case 20:
			flag := false
			if m[0] >= 1 && m[1] >= 1 {
				flag = true
				m[0]--
				m[1]--
			} else if m[0] >= 3 {
				flag = true
				m[0] -= 3
			}
			if !flag {
				return false
			}
			break
		}

	}
	return true
}

​

code

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