Mon Mar 25 11:15:00 CST 2024 inscode

main.py

 import streamlit as st
-from streamlit_option_menu import option_menu
+import inscode
 
-# 设置Streamlit应用程序的标题
-st.set_page_config(page_title="app name", layout="wide")
 
-menu1="菜单1"
-menu2="菜单2"
+class Node:
+    def __init__(self, data):
+        self.data = data
+        self.next = None
+
+
+class LinkedList:
+    def __init__(self):
+        self.head = None
+
+    def append(self, data):
+        new_node = Node(data)
+        if self.head is None:
+            self.head = new_node
+            return
+        last_node = self.head
+        while last_node.next:
+            last_node = last_node.next
+        last_node.next = new_node
+
+    def insert(self, data, position):
+        new_node = Node(data)
+        if position == 0:
+            new_node.next = self.head
+            self.head = new_node
+            return
+        current_node = self.head
+        current_position = 0
+        while current_node.next and current_position != position - 1:
+            current_node = current_node.next
+            current_position += 1
+        if current_position == position - 1:
+            new_node.next = current_node.next
+            current_node.next = new_node
+
+    def delete(self, data):
+        if self.head is None:
+            return
+        if self.head.data == data:
+            self.head = self.head.next
+            return
+        current_node = self.head
+        while current_node.next and current_node.next.data != data:
+            current_node = current_node.next
+        if current_node.next and current_node.next.data == data:
+            current_node.next = current_node.next.next
+
+    def search(self, data):
+        current_node = self.head
+        while current_node:
+            if current_node.data == data:
+                return True
+            current_node = current_node.next
+        return False
+
+    def traverse(self):
+        data_list = []
+        current_node = self.head
+        while current_node:
+            data_list.append(current_node.data)
+            current_node = current_node.next
+        return data_list
+
+    def sort(self):
+        if self.head is None:
+            return
+        current_node = self.head
+        while current_node.next:
+            next_node = current_node.next
+            while next_node:
+                if current_node.data > next_node.data:
+                    current_node.data, next_node.data = next_node.data, current_node.data
+                next_node = next_node.next
+            current_node = current_node.next
 
-with st.sidebar:
-    menu = option_menu("菜单", [menu1, menu2], 
-        icons=['house', "list-task"], 
-        menu_icon="cast", default_index=0)
 
 def main():
+    st.title("C语言数据结构链表")
+
+    linked_list = LinkedList()
+
+    option = st.sidebar.selectbox("请选择操作", ("添加元素", "插入元素", "删除元素", "查找元素", "遍历链表", "排序链表"))
+
+    if option == "添加元素":
+        st.subheader("添加元素")
+        data = st.text_input("请输入要添加的元素")
+        if st.button("添加"):
+            linked_list.append(data)
+            st.success(f"元素 {data} 已成功添加到链表")
+
+    elif option == "插入元素":
+        st.subheader("插入元素")
+        data = st.text_input("请输入要插入的元素")
+        position = st.text_input("请输入要插入的位置（从0开始）")
+        if st.button("插入"):
+            if not position.isdigit():
+                st.error("插入位置必须为数字")
+            elif int(position) < 0:
+                st.error("插入位置不能小于0")
+            else:
+                linked_list.insert(data, int(position))
+                st.success(f"元素 {data} 已成功插入到链表的位置 {position}")
+
+    elif option == "删除元素":
+        st.subheader("删除元素")
+        data = st.text_input("请输入要删除的元素")
+        if st.button("删除"):
+            linked_list.delete(data)
+            st.success(f"元素 {data} 已成功删除")
+
+    elif option == "查找元素":
+        st.subheader("查找元素")
+        data = st.text_input("请输入要查找的元素")
+        if st.button("查找"):
+            if linked_list.search(data):
+                st.success(f"元素 {data} 存在于链表中")
+            else:
+                st.warning(f"元素 {data} 不存在于链表中")
+
+    elif option == "遍历链表":
+        st.subheader("遍历链表")
+        data_list = linked_list.traverse()
+        if data_list:
+            st.write("链表中的元素为：")
+            for data in data_list:
+                st.write(f"- {data}")
+        else:
+            st.warning("链表为空，无法遍历")
+
+    elif option == "排序链表":
+        st.subheader("排序链表")
+        if st.button("排序"):
+            linked_list.sort()
+            st.success("链表已成功排序")
 
-    if menu == menu1:
-        st.subheader(f"{menu1}")
+    if st.button("清空链表"):
+        linked_list = LinkedList()
+        st.success("链表已成功清空")
 
-    if menu == menu2:
-        st.subheader(f"{menu2}")
 
-if __name__ == '__main__':
-    main()
+if __name__ == "__main__":
+    main()
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