摘要：**记录** 21:36 2023-4-16 http://poj.org/problem?id=3050 reference:《挑战程序设计竞赛(第2版)》第二章练习题索引 p135 ### Description The cows play the child's game of hopscot 阅读全文

摘要：**记录** 5:30 2023-3-25 http://poj.org/problem?id=3178 reference:《挑战程序设计竞赛(第2版)》第二章练习题索引 p135 ### Description FJ and his cows enjoy playing a mental gam 阅读全文

摘要：**记录** 19:10 2023-3-3 http://poj.org/problem?id=2718 reference:《挑战程序设计竞赛(第2版)》第二章练习题索引 p135 ### Description Given a number of distinct decimal digits, 阅读全文