Ordenar por maximo en Go

src/Go/002.go

@@ -0,0 +1,62 @@
+package main
+
+import (
+	"fmt"
+	"sort"
+)
+
+func maxIntSlice(lst []int) int {
+	m := lst[0]
+	for _, v := range lst[1:] {
+		if v > m {
+			m = v
+		}
+	}
+	return m
+}
+
+func order_by_max_i32(lst [][]int) [][]int {
+	result := append([][]int(nil), lst...) // copy outer slice (like Python sorted)
+
+	sort.SliceStable(result, func(i int, j int) bool {
+		return maxIntSlice(result[i]) < maxIntSlice(result[j])
+	})
+
+	return result
+}
+
+func maxRune(s string) rune {
+	var m rune
+
+	for _, r := range s {
+		if r > m {
+			m = r
+		}
+	}
+
+	return m
+}
+
+func order_by_max_str(lst []string) []string {
+	result := append([]string(nil), lst...) // copy (like Python sorted)
+
+	sort.SliceStable(result, func(i int, j int) bool {
+		return maxRune(result[i]) < maxRune(result[j])
+	})
+
+	return result
+}
+
+func main() {
+	check := [][]int{{3, 2}, {6, 7, 5}, {1, 4}}
+	fmt.Println(order_by_max_i32(check)) // [[3,2],[1,4],[6,7,5]]
+
+	check = [][]int{{1}, {0, 1}}
+	fmt.Println(order_by_max_i32(check)) // [[1],[0,1]]
+
+	check = [][]int{{0, 1}, {1}}
+	fmt.Println(order_by_max_i32(check)) // [[0,1],[1]]
+
+	checkStr := []string{"este", "es", "el", "primero"}
+	fmt.Println(order_by_max_str(checkStr)) // ["el","primero","es","este"]
+}