From bb77383979e9446dafba111136912fe18935434f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=83=AD=E4=BD=B3=E6=85=A7?= <1608111480@qq.com>
Date: Sat, 8 Jul 2023 20:20:39 +0800
Subject: [PATCH] C4

---
 README.md | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 83 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index b5de2b8..1904252 100644
--- a/README.md
+++ b/README.md
@@ -82,7 +82,89 @@
 ```
 ##C4:打印菜单，实现功能{231-312}
 ```
-代码：
+代码：int main() 
+{   
+    creatnode();
+    createlist();
+	//createfile();
+	//printff();
+	int n=10;
+	printf("正在初始化数据，请稍候!\n");
+	//proc();
+	printf("欢迎使用本系统!\n");
+	while(n){
+		printf("欢迎来到上海市地铁交通服务平台！\n");
+		printf("1.最佳出行线路推荐\n");
+		printf("2.出行费用预估\n");
+		printf("0.退出系统！\n");
+		printf("请输入！\n");
+		scanf("%d",&n);
+		char str[100];
+		int n9,n10;
+		switch(n){
+			case 1:printf("请输入起点\n");
+						scanf("%s",str);
+						n9=-1;
+						for(int i=0;i<nm.n;i++){
+							if(!strcmp(str,nm.adjust[i].name)){
+								n9=i;
+								break;
+							}
+						}
+						if(n9==-1) {
+							printf("站点输入错误\n");
+							break;
+						}
+						n10=-1;
+						printf("请输入终点\n");
+						scanf("%s",str);
+						for(int i=0;i<nm.n;i++){
+							if(!strcmp(str,nm.adjust[i].name)){
+								n10=i;
+								break;
+							}
+						}
+						if(n10==-1) {
+							printf("站点输入错误\n");
+							break;
+						}
+						Dijkstra(n9,n10);
+			case 2:printf("请输入起点\n");
+									str[100];
+									scanf("%s",str);
+									n9=-1;
+									for(int i=0;i<nm.n;i++){
+										if(!strcmp(str,nm.adjust[i].name)){
+											n9=i;
+											break;
+										}
+									}
+									if(n9==-1) {
+										printf("站点输入错误\n");
+										break;
+									}
+									n10=-1;
+									printf("请输入终点\n");
+									scanf("%s",str);
+									for(int i=0;i<nm.n;i++){
+										if(!strcmp(str,nm.adjust[i].name)){
+											n10=i;
+											break;
+										}
+									}
+									if(n10==-1) {
+										printf("站点输入错误\n");
+										break;
+									}
+									Dijkstra(n9,n10);
+									printf("预估消费%d元\n",money);
+									break;
+			case 0: return 0;
+		}
+    }
+	return 0;
+ }
+
 ```
 
 ##概要设计