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/1.4.4.2.cpp
+++ b/history_source/信息学奥赛一本通/1.4.4.2.cpp
@ -0,0 +1,17 @@
+#include<cstdio>
+using namespace std;
+int main()
+{
+	int n;
+	long long times=1;
+	double ans=0;
+	scanf("%d",&n);
+	for(int i=1;i<=n;i++)
+	{
+		times*=i;
+		ans+=1.0/times;
+	}
+	printf("%.10lf\n",ans+1);
+	return 0;
+}
+