onlyblues

摘要： F - Hop Sugoroku Problem Statement There is a row of $N$ squares labeled $1,2,\dots,N$ and a sequence $A=(A_1,A_2,\dots,A_N)$ of length $N$.Initially, 阅读全文

摘要： F. Sum of Progression You are given an array $a$ of $n$ numbers. There are also $q$ queries of the form $s, d, k$. For each query $q$, find the sum of 阅读全文

摘要： E. Happy Life in University Egor and his friend Arseniy are finishing school this year and will soon enter university. And since they are very respons 阅读全文

摘要： 制作地图 贝茜正在学习制作扫雷地图。 作为初学者，它打算先从简单的一维地图做起，它准备制作一张 $1 \times n$ 大小的地图（即 $1 \times n$ 的方格矩阵）。 地图中含有地雷的方格，应标记为 *；不含地雷的方格，应标记为一个 $0$ 到 $2$ 之间的数字，用来表示其相邻方格中的 阅读全文

摘要： 重新分装 有 $n$ 种零件，编号 $1 \sim n$。 第 $i$ 种零件的数量为 $a_i$。 有 $n$ 个箱子，编号 $1 \sim n$。 初始时，所有零件都装在第 $1$ 个箱子里。 我们希望将所有零件重新分装，使得最终对于每个 $i$（$1 \le i \le n$）都满足，所有的第 阅读全文

摘要： [USACO07DEC] Sightseeing Cows G 题目描述 Farmer John has decided to reward his cows for their hard work by taking them on a tour of the big city! The cows 阅读全文

摘要： G. Bicycles All of Slavic's friends are planning to travel from the place where they live to a party using their bikes. And they all have a bike excep 阅读全文

摘要： E2. Game with Marbles (Hard Version) The easy and hard versions of this problem differ only in the constraints on the number of test cases and $n$. In 阅读全文

摘要： C. Heavy Intervals You have $n$ intervals $[l_1, r_1], [l_2, r_2], \dots, [l_n, r_n]$, such that $l_i < r_i$ for each $i$, and all the endpoints of th 阅读全文

摘要： D. Yet Another Inversions Problem You are given a permutation $p_0, p_1, \ldots, p_{n-1}$ of odd integers from $1$ to $2n-1$ and a permutation $q_0, q 阅读全文