delete pics to save space

history_source/信息学奥赛一本通/1.6.2.4.cpp

@@ -0,0 +1,14 @@
+#include<cstdio>
+#include<cmath>
+using namespace std;
+double f(double x,int n)
+{
+	if(n==1) return sqrt(1+x);
+	return sqrt(n+f(n-1,x));
+}
+int main()
+{
+	printf("%g\n%g\n",f(4.2,10),f(2.5,15));
+	return 0;
+}
+