随笔分类 -  数学

PAT（甲级）2019年秋季考试 7-1 Forever (20 分) 凌宸1642
摘要：PAT（甲级）2019年秋季考试 7-1 Forever (20 分) 题目描述： "Forever number" is a positive integer A with K digits, satisfying the following constrains: the sum of all 阅读全文
posted @ 2021-09-04 18:01 凌宸1642 阅读(105) 评论(0) 推荐(0)
PAT (Advanced Level) Practice 1117 Eddington Number (25 分) 凌宸1642
摘要：PAT (Advanced Level) Practice 1117 Eddington Number (25 分) 凌宸1642 题目描述： British astronomer Eddington liked to ride a bike. It is said that in order to 阅读全文
posted @ 2021-08-26 00:33 凌宸1642 阅读(46) 评论(0) 推荐(0)
PAT (Advanced Level) Practice 1049 Counting Ones (30 分) 凌宸1642
摘要：PAT (Advanced Level) Practice 1049 Counting Ones (30 分) 凌宸1642 题目描述： The task is simple: given any positive integer N, you are supposed to count the t 阅读全文
posted @ 2021-08-23 23:01 凌宸1642 阅读(60) 评论(0) 推荐(0)
PAT (Advanced Level) Practice 1048 Find Coins (25 分) 凌宸1642
摘要：PAT (Advanced Level) Practice 1048 Find Coins (25 分) 凌宸1642 题目描述： Eva loves to collect coins from all over the universe, including some other planets 阅读全文
posted @ 2021-08-21 03:40 凌宸1642 阅读(55) 评论(0) 推荐(0)
PAT (Advanced Level) Practice 1038 Recover the Smallest Number (30 分) 凌宸1642
摘要：PAT (Advanced Level) Practice 1038 Recover the Smallest Number (30 分) 凌宸1642 题目描述： Given a collection of number segments, you are supposed to recover 阅读全文
posted @ 2021-08-21 03:37 凌宸1642 阅读(54) 评论(0) 推荐(0)
PAT (Advanced Level) Practice 1101 Quick Sort (25 分) 凌宸1642
摘要：PAT (Advanced Level) Practice 1101 Quick Sort (25 分) 凌宸1642 题目描述： There is a classical process named partition in the famous quick sort algorithm. In 阅读全文
posted @ 2021-08-21 03:36 凌宸1642 阅读(59) 评论(0) 推荐(0)
PAT (Advanced Level) Practice 1145 Hashing - Average Search Time (25 分) 凌宸1642
摘要：PAT (Advanced Level) Practice 1145 Hashing - Average Search Time (25 分) 凌宸1642 题目描述： The task of this problem is simple: insert a sequence of distinct 阅读全文
posted @ 2021-08-20 01:50 凌宸1642 阅读(61) 评论(0) 推荐(0)
PAT (Advanced Level) Practice 1136 A Delayed Palindrome (20 分) 凌宸1642
摘要：PAT (Advanced Level) Practice 1136 A Delayed Palindrome (20 分) 凌宸1642 题目描述： Consider a positive integer N written in standard notation with k+1 digits 阅读全文
posted @ 2021-08-17 00:22 凌宸1642 阅读(61) 评论(0) 推荐(0)
PAT (Advanced Level) Practice 1132 Cut Integer (20 分) 凌宸1642
摘要：PAT (Advanced Level) Practice 1132 Cut Integer (20 分) 凌宸1642 题目描述： Cutting an integer means to cut a K digits lone integer Z into two integers of (K/2 阅读全文
posted @ 2021-08-17 00:21 凌宸1642 阅读(44) 评论(0) 推荐(0)
PAT (Advanced Level) Practice 1128 N Queens Puzzle (20 分) 凌宸1642
摘要：PAT (Advanced Level) Practice 1128 N Queens Puzzle (20 分) 凌宸1642 题目描述： The "eight queens puzzle" is the problem of placing eight chess queens on an 8× 阅读全文
posted @ 2021-08-16 13:43 凌宸1642 阅读(59) 评论(0) 推荐(0)
PAT (Advanced Level) Practice 1125 Chain the Ropes (25 分) 凌宸1642
摘要：PAT (Advanced Level) Practice 1125 Chain the Ropes (25 分) 凌宸1642 题目描述： Given some segments of rope, you are supposed to chain them into one rope. Each 阅读全文
posted @ 2021-08-15 13:59 凌宸1642 阅读(43) 评论(0) 推荐(0)
PAT (Advanced Level) Practice 1120 Friend Numbers (20 分) 凌宸1642
摘要：PAT (Advanced Level) Practice 1120 Friend Numbers (20 分) 凌宸1642 题目描述： Two integers are called "friend numbers" if they share the same sum of their dig 阅读全文
posted @ 2021-08-13 20:29 凌宸1642 阅读(63) 评论(0) 推荐(0)
PAT (Advanced Level) Practice 1059 Prime Factors (25 分) 凌宸1642
摘要：PAT (Advanced Level) Practice 1059 Prime Factors (25 分) 凌宸1642 题目描述： Given any positive integer N, you are supposed to find all of its prime factors, 阅读全文
posted @ 2021-08-11 00:05 凌宸1642 阅读(54) 评论(0) 推荐(0)