题解 | #斐波那契数列#
斐波那契数列
https://www.nowcoder.com/practice/c6c7742f5ba7442aada113136ddea0c3
/** * * @param n int整型 * @return int整型 */ #include <stdlib.h> int Fibonacci(int n ) { // write code here int L1=1; int L2=1; int L3=2; if(n<=3) { return n<=2 ? L1 : L3; } for(int i = 4 ; i <= n ; i++) { L1=L2; L2=L3; L3=L1+L2; } return L3; }