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fix(heap): fix go code

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This commit is contained in:
reanon 2023-01-12 20:47:11 +08:00
parent 32962fb7a1
commit 79d51e3691
1 changed files with 5 additions and 5 deletions
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10
codes/go/chapter_heap/heap.go
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@ -4,9 +4,9 @@
package chapter_heap
// intHeap 是一个由整数组成的最大堆
// intHeap 是一个由整数组成的堆
// 通过实现 heap.Interface 来构建堆
type intHeap []any
type intHeap []int
// Len sort.Interface 的方法
func (h *intHeap) Len() int {
@ -16,7 +16,7 @@ func (h *intHeap) Len() int {
// Less sort.Interface 的方法
func (h *intHeap) Less(i, j int) bool {
// 如果实现小顶堆，则需要调整为小于号
return (*h)[i].(int) > (*h)[j].(int)
return (*h)[i] > (*h)[j]
}
// Swap sort.Interface 的方法
@ -34,11 +34,11 @@ func (h *intHeap) Push(x any) {
// Top 获取堆顶元素
func (h *intHeap) Top() int {
return (*h)[0].(int)
return (*h)[0]
}
// Pop heap.Interface 的方法，实现弹出堆顶元素
func (h *intHeap) Pop() any {
func (h *intHeap) Pop() int {
// 待出堆元素存放在最后
last := (*h)[len(*h)-1]
*h = (*h)[:len(*h)-1]