规范格式

leetcode/0470.Implement-Rand10-Using-Rand7/470. Implement Rand10() Using Rand7().go

@@ -0,0 +1,23 @@
+package leetcode
+
+import "math/rand"
+
+func rand10() int {
+	rand10 := 10
+	for rand10 >= 10 {
+		rand10 = (rand7() - 1) + rand7()
+	}
+	return rand10%10 + 1
+}
+
+func rand7() int {
+	return rand.Intn(7)
+}
+
+func rand101() int {
+	rand40 := 40
+	for rand40 >= 40 {
+		rand40 = (rand7()-1)*7 + rand7() - 1
+	}
+	return rand40%10 + 1
+}