From 9711fe799eb478bc1fed6108544ddb4710be5a6d Mon Sep 17 00:00:00 2001
From: pec5bjft2 <2179836461@qq.com>
Date: Sun, 26 Nov 2023 20:46:48 +0800
Subject: [PATCH] Update README.md

---
 README.md | 32 +++++++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 1e192cb..f7d96cf 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,32 @@
 # computer
-
+#include <stdio. h>
+#include <stdlib. h>//定义杂项函数及内存分配函数
+int main(){//表示有返回值
+float a;
+float b;
+char ch;
+printf("请输入你需要的计算方式\n");
+scanf("%c",&ch);
+printf("请输入第一个数\n");
+scanf("%f",&a);
+printf("请输入第二个数\n");
+scanf("%f",&b);
+switch(ch){//处理多分支结构的条件选择语句
+case '+'://选择
+printf("加法的结果是%f\n",a+b);
+break;//退出switch语句
+case '-':
+printf("减法的结果是%f\n",a-b);
+break;
+case '*':
+printf("乘法的结果是%f\n",a*b);
+break;
+case '/':
+printf("除法的结果是%f\n",a/b);
+break;
+case '%':
+printf("求模的结果是%f\n",a%b);
+break;
+}
+return 0;//程序退出
+}