復化梯形公式和復化辛普森公式 https://blog.csdn.net/xiaowei_cqu/article/details/8585040
Fibonacci Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 4103
M斐波那契數列 Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others) Total Submission(s): 2286
