CF915C Permute Digits 字符串 贪心
摘要：
You are given two positive integer numbers a and b. Permute (change order) of the digits of a to construct maximal number not exceeding b. No number i 阅读全文
posted @ 2018-09-28 20:48 九月旧约 阅读(299) 评论(0) 推荐(0) 编辑
