快乐数

Author: baxiang

202happy-number/main.go

@@ -0,0 +1,33 @@
+package main
+
+import "fmt"
+
+func isHappy(n int) bool {
+	  n = digitResult(n)
+	  m :=make(map[int]struct{},0)
+	  for n!=1{
+	  	if _,ok:=m[n];!ok{
+			m[n]= struct{}{}
+
+			n =digitResult(n)
+			fmt.Println(n)
+		}else {
+			return false
+		}
+	  }
+	  return true
+}
+func digitResult(n int) int {
+	var res int
+	for n>0{
+		r :=n%10
+		res +=r*r
+		n =n/10
+	}
+	return res
+}
+
+func main() {
+	fmt.Println(isHappy(2))
+	fmt.Println(isHappy(19))
+}

59.02dui-lie-de-zui-da-zhi-lcof/main.go

@@ -0,0 +1,5 @@
+package main
+
+func main() {
+	$END$
+}