題解 | #字符串的問題#
斐波那契數(shù)列
http://fangfengwang8.cn/practice/ee5d403c1172487f8c7915b3c3d924c6
#include<stdio.h> int fib(int n) { if(n==1||n==2) return 1; return fib(n-1)+fib(n-2); } int main() { int n; scanf("%d",&n); printf("%d",fib(n)); return 0; }