用python写算法7[调整数组顺序]
题目:
解法:
维护两个索引,如果第一个指向那个的数字是偶数,第二个指向的数字是奇数,就交换这两个数字
#!/usr/bin/python #coding=gbk ''' Created on 2013-03-25 @author: songjian ''' def adjust_seq(test_arr): begin_index = 0 end_index = len(test_arr) - 1 while begin_index < end_index: if test_arr[begin_index] % 2 == 0: while end_index > begin_index: print end_index if test_arr[end_index] % 2 == 1: test_arr[end_index], test_arr[begin_index] = test_arr[begin_index], test_arr[end_index] break end_index -= 1 begin_index += 1 def main(): test_case = [5, 3, 2, 4, 1] adjust_seq(test_case) print test_case if __name__ == '__main__': main()
posted on 2013-03-27 15:11 jiyiyouxin 阅读(389) 评论(0) 收藏 举报