From ad0edd63c53d07cd08e07564d6c0b509d49a404e Mon Sep 17 00:00:00 2001
From: pgftvecou <1714774285@qq.com>
Date: Mon, 26 Jun 2023 01:24:00 +0800
Subject: [PATCH] ADD file via upload

---
 斐波那契求项数和.cpp | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 斐波那契求项数和.cpp

diff --git a/斐波那契求项数和.cpp b/斐波那契求项数和.cpp
new file mode 100644
index 0000000..1b5aeff
--- /dev/null
+++ b/斐波那契求项数和.cpp
@@ -0,0 +1,18 @@
+//斐波拉契和//求第几项之和 
+#include<stdio.h>
+int Fibon1(int n){ 
+if (n == 1 || n == 2) { 
+ return 1; 
+} else { 
+ return Fibon1(n - 1) + Fibon1(n - 2);
+ }
+}
+int main(){ 
+int n = 0; 
+int sum = 0; 
+scanf("%d", &n); 
+for(int i=1;i<n;i++){ 
+ sum+=Fibon1(i);  
+} 
+printf("%d",sum);
+}
\ No newline at end of file