摘要
本文对一道信息学竞赛题进行了数学建模，进而给出了它的置换解法．
We construct a mathematical model for the solution of an interesting mathematical problem put forward in International Olympiad in Informatics（IOl） ,and solve this problem by cyclic permutation.
出处
《江苏教育学院学报（自然科学版）》
2005年第3期73-74,共2页
Journal of Jiangsu Institute of Education(Social Science)
关键词
有向置换
置换的阶
循环置换
Directed Permutation
Period of Permutation
Cyclic Permutation
