[Leetcode] Climbing Stairs Fibonacci Sequence

Source: Internet
Author: User

You is climbing a stair case. It takes n steps to reach the top.

Each time you can either climb 1 or 2 steps. In what many distinct ways can you climb to the top?

Show Tags The question is actually the Fibonacci sequence.
#include <iostream>using namespacestd;classSolution { Public:    intClimbstairs (intN) {if(n<2)return 1; intL=1, r=1, TMP;  for(intI=2; i<=n;i++) {tmp=l+R; L=R; R=tmp; }        returnR; }};intMain () {solution Sol;  for(inti =0;i<9; i++) cout<<sol.climbstairs (i) <<Endl; return 0;}
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[Leetcode] Climbing Stairs Fibonacci Sequence

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