From cd1910ccecdb0a47eabeaff43341c039ae5c1b5e Mon Sep 17 00:00:00 2001
From: pitnqh5lc <3321198270@qq.com>
Date: Sat, 19 Feb 2022 22:44:39 +0800
Subject: [PATCH] =?UTF-8?q?Add=20=E5=88=A4=E6=96=AD=E7=B4=A0=E6=95=B0?=
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---
 判断素数 | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 判断素数

diff --git a/判断素数 b/判断素数
new file mode 100644
index 0000000..ccb87df
--- /dev/null
+++ b/判断素数
@@ -0,0 +1,41 @@
+从键盘输入一个整数，判断是否为素数并输出结果。
+代码：
+#include<stdio.h>
+
+int prime(int a);//函数声明
+
+int main()
+
+{
+
+int n,i;
+
+scanf("%d",&n);
+
+if(prime(n)==1) //return返回值1
+
+printf("prime");
+
+else
+
+printf("not prime") ;
+
+}
+
+int prime(int a)
+
+{
+
+int i;
+
+for(i=2;i<a;i++)
+
+if(a%i==0)
+
+return 0;//a%i==0不成立
+
+else 
+
+return 1;//a%i==0成立
+
+}