10 2023 档案

摘要:构造矩阵 我们希望构造一个 n×m 的整数矩阵。 构造出的矩阵需满足: 每一行上的所有元素之积均等于 k。 每一列上的所有元素之积均等于 k。 保证 k11。 请你计算,一共可以构成出多少种不同的满足条件的矩阵。 由于结果可能很大,你只需要输出对 阅读全文
posted @ 2023-10-30 08:52 onlyblues 阅读(27) 评论(0) 推荐(0) 编辑
摘要:D. Counting Rhyme You are given an array of integers a1,a2,,an. A pair of integers (i,j), such that 1i<jn, is called go 阅读全文
posted @ 2023-10-29 20:23 onlyblues 阅读(103) 评论(1) 推荐(1) 编辑
摘要:D. Doremy's Connecting Plan Doremy lives in a country consisting of n cities numbered from 1 to n, with ai people living in the i-th city. 阅读全文
posted @ 2023-10-29 19:37 onlyblues 阅读(48) 评论(0) 推荐(0) 编辑
摘要:E. Segment Sum You are given two integers l and r (lr). Your task is to calculate the sum of numbers from l to r (including l and r 阅读全文
posted @ 2023-10-25 20:47 onlyblues 阅读(16) 评论(0) 推荐(0) 编辑
摘要:E. Time Travel Berland is a country with ancient history, where roads were built and destroyed for centuries. It is known that there always were n c 阅读全文
posted @ 2023-10-24 18:40 onlyblues 阅读(82) 评论(0) 推荐(0) 编辑
摘要:Minimum Changes to Make K Semi-palindromes Given a string s and an integer k, partition s into k substrings such that the sum of the number of letter 阅读全文
posted @ 2023-10-24 16:16 onlyblues 阅读(19) 评论(0) 推荐(0) 编辑
摘要:D2. Dances (Hard Version) This is the hard version of the problem. The only difference is that in this version m109. You are given two arrays 阅读全文
posted @ 2023-10-23 23:56 onlyblues 阅读(60) 评论(0) 推荐(0) 编辑
摘要:B. Raspberries You are given an array of integers a1,a2,,an and a number k (2k5). In one operation, you can do the follo 阅读全文
posted @ 2023-10-23 19:34 onlyblues 阅读(14) 评论(0) 推荐(0) 编辑
摘要:C. Medium Design The array a1,a2,,am is initially filled with zeroes. You are given n pairwise distinct segments $1 \le l_i \le r_i \l 阅读全文
posted @ 2023-10-23 17:28 onlyblues 阅读(161) 评论(0) 推荐(0) 编辑
摘要:koishi的数学题 题目描述 Koishi 在 Flandre 的指导下成为了一名数学大师,她想了一道简单的数学题。 输入一个整数 n,设 f(x)=i=1nxmodi,你需要输出 $f(1), f(2), \ldots , f(n 阅读全文
posted @ 2023-10-21 14:21 onlyblues 阅读(10) 评论(0) 推荐(0) 编辑
摘要:统计子矩阵 给定一个 N×M 的矩阵 A,请你统计有多少个子矩阵 (最小 1×1,最大 N×M) 满足子矩阵中所有数的和不超过给定的整数 K? 输入格式 第一行包含三个整数 N,MK。 之后 N 行每行包含 M 个整数,代表 阅读全文
posted @ 2023-10-20 10:04 onlyblues 阅读(48) 评论(0) 推荐(0) 编辑
摘要:[COCI2021-2022#6] Zemljište 题目描述 有一块地,大小为 r×sMatej 想买下它。这块地每个 1×1 的正方形都有不同的价格。 设一片非空子矩阵价格总和为 m,则这片子矩阵的权值为 |ma|+|mb|,您需要找到 阅读全文
posted @ 2023-10-20 09:26 onlyblues 阅读(19) 评论(0) 推荐(0) 编辑
摘要:D. Professor Higashikata Josuke is tired of his peaceful life in Morioh. Following in his nephew Jotaro's footsteps, he decides to study hard and beco 阅读全文
posted @ 2023-10-18 14:55 onlyblues 阅读(13) 评论(0) 推荐(0) 编辑
摘要:D. Monocarp and the Set Monocarp has n numbers 1,2,,n and a set (initially empty). He adds his numbers to this set n times in some order 阅读全文
posted @ 2023-10-17 16:48 onlyblues 阅读(29) 评论(0) 推荐(0) 编辑
摘要:Count of Sub-Multisets With Bounded Sum You are given a 0-indexed array nums of non-negative integers, and two integers l and r. Return the count of s 阅读全文
posted @ 2023-10-15 18:08 onlyblues 阅读(40) 评论(0) 推荐(0) 编辑
摘要:G. Anya and the Mysterious String Anya received a string s of length n brought from Rome. The string s consists of lowercase Latin letters and a 阅读全文
posted @ 2023-10-14 14:51 onlyblues 阅读(99) 评论(0) 推荐(1) 编辑
摘要:C. Decreasing String Recall that string a is lexicographically smaller than string b if a is a prefix of b (and ab), or there exists an 阅读全文
posted @ 2023-10-13 23:07 onlyblues 阅读(57) 评论(0) 推荐(0) 编辑
摘要:G. ABBC or BACB You are given a string s made up of characters A and B. Initially you have no coins. You can perform two types 阅读全文
posted @ 2023-10-12 14:32 onlyblues 阅读(67) 评论(0) 推荐(0) 编辑
摘要:C. Card Game There are n cards stacked in a deck. Initially, ai is written on the i-th card from the top. The value written on a card does no 阅读全文
posted @ 2023-10-10 17:01 onlyblues 阅读(45) 评论(0) 推荐(0) 编辑
摘要:D. Sum of XOR Functions You are given an array a of length n consisting of non-negative integers. You have to calculate the value of $\sum_{l=1}^{ 阅读全文
posted @ 2023-10-09 14:52 onlyblues 阅读(71) 评论(0) 推荐(0) 编辑
摘要:D. Effects of Anti Pimples Chaneka has an array [a1,a2,,an]. Initially, all elements are white. Chaneka will choose one or more different i 阅读全文
posted @ 2023-10-09 11:38 onlyblues 阅读(21) 评论(0) 推荐(0) 编辑
摘要:D. Prefix Purchase You have an array a of size n, initially filled with zeros (a1=a2==an=0). You also have an array of integers 阅读全文
posted @ 2023-10-07 15:06 onlyblues 阅读(29) 评论(0) 推荐(0) 编辑
摘要:Python缩进 在 Python 中,代码块没有显式的开始/结束或大括号来标记代码块的开始和结束。 相反,代码块是通过缩进定义的。 我们考虑一个极其简化的 Python 子集,其只有两种类型的语句:简单语句和 For 语句。 简单语句(Simple statements)仅占一行,每行一个。 阅读全文
posted @ 2023-10-06 15:12 onlyblues 阅读(29) 评论(0) 推荐(0) 编辑

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