Create 堆.md

Author: CompetitiveLin

Heap/堆.md

@@ -0,0 +1,46 @@
+Go 语言：
+
+```go
+package main
+
+import (
+	"container/heap"
+	"fmt"
+	"sort"
+)
+
+type heap2 struct {
+	sort.IntSlice
+}
+
+func (h heap2) Less(i, j int) bool { // 最小堆：h.IntSlice[i] < h.IntSlice[j]；最大堆：h.IntSlice[i] > h.IntSlice[j]；
+	return h.IntSlice[i] > h.IntSlice[j]
+}
+
+func (h *heap2) Push(v interface{}) {
+	h.IntSlice = append(h.IntSlice, v.(int))
+}
+
+func (h *heap2) Pop() interface{} {
+	temp := h.IntSlice
+	v := temp[len(temp)-1]
+	h.IntSlice = temp[:len(temp)-1]
+	return v
+}
+
+func (h *heap2) push(v int) {
+	heap.Push(h, v)
+}
+
+func (h *heap2) pop() int {
+	return heap.Pop(h).(int)
+}
+
+func main() {
+	q := &heap2{[]int{3, 4, 1, 2, 4, 3}}
+	heap.Init(q)
+	fmt.Println(q)
+}
+
+```
+