ADD file via upload

斐波那契数列.cpp

@@ -0,0 +1,21 @@
+#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 ret = 0;
+ scanf("%d", &n);
+ ret = Fibon1(n);
+ printf("ret=%d", ret);
+ return 0;
+}