idk why these stuffs get stashed for so long and I didn't ever commit them

Experiment/Experiment2/Task1/BracketsMatch.cpp

@@ -0,0 +1,54 @@
+#include <string>
+#include <iostream>
+using namespace std;
+#include "LinkStack.h"
+
+bool match(string exp)
+{
+	SNode<char>* S;
+	InitStack(S);
+	int flag = 1, i = 0;
+	char ch, e, x;
+	ch = exp[i++];
+	while (ch != '#' && flag)
+	{
+		switch (ch)
+		{
+		case '[':
+		case '(':
+			cout << "左括号进栈！" << endl;
+			Push(S, ch);
+			break;
+		case ')':
+			GetTop(S, e);
+			if (!StackEmpty(S) && e == '(')
+			{
+				Pop(S, x);
+				cout << "右括号出栈！" << endl;
+			}
+			else flag = 0;
+			break;
+		case ']':
+			GetTop(S, e);
+			if (!StackEmpty(S) && e == '[') Pop(S, x);
+			else flag = 0;
+			break;
+		}
+		ch = exp[i++];
+	}
+	if (StackEmpty(S) && flag) return true;
+	else return false;
+}
+
+int main()
+{
+	int flag;
+	string exp;
+	cout << "请输入待匹配的表达式，以“#”结束：" << endl;
+	cin >> exp;
+	flag = match(exp);
+	if (flag) cout << "括号匹配成功！" << endl;
+	else cout << "括号匹配失败！" << endl;
+	return 0;
+}
+