超级楼梯
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 32293 Accepted Submission(s): 16635
Problem Description
有1楼梯共M级,刚开始时你在第1级,若每次只能跨上1级或2级,要走上第M级,共有多少种走法?
Input
Output
Sample Input
2 2 3
Sample Output