题解 | #Fibonacci#
Fibonacci
https://www.nowcoder.com/practice/17ad6908e36a49f4b06ea96936e8bb25
#include<cstdio> int func(int n) { if (n == 0 ) { return 0; } else if (n == 1) { return 1; } else if (n == 2) { return 1; } else if (n == 3) { return 2; } else { return func(n - 1) + func(n - 2); } } int main() { int n; scanf("%d", &n); printf("%d", func(n)); }