完成Valid-Parentheses

5-kyu/Valid-Parentheses/README.md

@@ -0,0 +1,20 @@
+## Multiples of 3 or 5
+
+### 任务详情
+
+Write a function that takes a string of parentheses, and determines if the order of the parentheses is valid. The function should return true if the string is valid, and false if it's invalid.
+
+### 示例
+
+
+```golang
+"()"              =>  true
+")(()))"          =>  false
+"("               =>  false
+"(())((()())())"  =>  true
+```
+
+
+### 任务链接
+
+https://www.codewars.com/kata/52774a314c2333f0a7000688

5-kyu/Valid-Parentheses/src/go.mod

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+module src
+
+go 1.18

5-kyu/Valid-Parentheses/src/valid_parentheses.go

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+package src
+
+import (
+	"strings"
+)
+
+//第一种
+func ValidParentheses(parens string) bool {
+	// Your code goes here
+	for strings.Contains(parens, "()") {
+		parens = strings.Replace(parens, "()", "", -1)
+	}
+	return len(parens) == 0
+}
+
+//第二种
+func ValidParentheses2(parens string) bool {
+	// Your code goes here
+	count := 0
+	for _, c := range parens {
+		if c == '(' {
+			count++
+		} else if c == ')' {
+			count--
+		}
+		if count < 0 {
+			return false
+		}
+	}
+	return count == 0
+}

5-kyu/Valid-Parentheses/src/valid_parentheses_test.go

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+package src
+
+import "testing"
+
+func TestValidParentheses(t *testing.T) {
+	type args struct {
+		parens string
+	}
+	tests := []struct {
+		name string
+		args args
+		want bool
+	}{
+		{"", args{"()"}, true},
+		{"", args{"())"}, false},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := ValidParentheses(tt.args.parens); got != tt.want {
+				t.Errorf("Multiple3And5() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}

README.md

@@ -7,3 +7,5 @@
 #### [7 kyu](https://github.com/zhaoqy1/codewars/tree/master/7-kyu)
 
 #### [6 kyu](https://github.com/zhaoqy1/codewars/tree/master/6-kyu)
+
+#### [5 kyu](https://github.com/zhaoqy1/codewars/tree/master/5-kyu)