delete pics to save space

2023-08-03 09:22:52 +08:00
commit de60cd6ed4
1334 changed files with 66221 additions and 0 deletions
--- a/history_source/信息学奥赛一本通/1.2.3.4.cpp
+++ b/history_source/信息学奥赛一本通/1.2.3.4.cpp
@ -0,0 +1,14 @@
+#include<cstdio>
+#define pi 3.1415926535897
+using namespace std;
+int main()
+{
+	double r,c,d,s;
+	scanf("%lf",&r);
+	c=r*pi;
+	d=r*2;
+	s=r*r*pi;
+	printf("%.4lf %.4lf %.4lf\n",d,c,s);
+	return 0;
+}
+