03 2024 档案

Count Valid Paths in a Tree
摘要：Count Valid Paths in a Tree There is an undirected tree with n nodes labeled from 1 to n. You are given the integer n and a 2D integer array edges of 阅读全文
posted @ 2024-03-10 20:43 onlyblues 阅读(29) 评论(0) 推荐(0)
F - Earn to Advance
摘要：F - Earn to Advance Problem Statement There is a grid with $N$ rows and $N$ columns. Let $(i,j)$ denote the square at the $i$-th row from the top and 阅读全文
posted @ 2024-03-10 16:47 onlyblues 阅读(76) 评论(0) 推荐(1)
三点不共线
摘要：三点不共线 题目描述 平面上有两个不同的点 $A$ 和 $B$，你需要找到另一个点 $C$ ，使得这三个点构成的 $\angle ACB$ 恰好为 $\alpha$。 需要注意的是，在下图中，$\angle 1$ 和 $\angle 2$ 都可以被认为是 $\angle ACB$ ，你只需让其中一个 阅读全文
posted @ 2024-03-08 23:09 onlyblues 阅读(63) 评论(0) 推荐(0)
D. Exam in MAC
摘要：D. Exam in MAC The Master's Assistance Center has announced an entrance exam, which consists of the following. The candidate is given a set $s$ of siz 阅读全文
posted @ 2024-03-06 16:33 onlyblues 阅读(25) 评论(0) 推荐(0)
C. Messenger in MAC
摘要：C. Messenger in MAC In the new messenger for the students of the Master's Assistance Center, Keftemerum, an update is planned, in which developers wan 阅读全文
posted @ 2024-03-06 16:32 onlyblues 阅读(90) 评论(6) 推荐(1)
圆
摘要：圆 题目描述 给出一个圆，圆上等距分布 $n$ 个点，编号为 $1\sim n$。 另有 $m$ 条线段，第 $i$ 条线段的端点为 $x_i$ 和 ，权重为 $w_i$。 定义一个圆是优良的，当且仅当所有线段无交（端点重合也算相交）。 如上图，线段 $\{1\rightarrow 4\}$ 与线段 阅读全文
posted @ 2024-03-05 14:34 onlyblues 阅读(25) 评论(0) 推荐(0)
G - Compress Strings
摘要：G - Compress Strings Problem Statement You are given $N$ strings $S_1, S_2, \ldots, S_N$. Find the minimum length of a string that contains all these 阅读全文
posted @ 2024-03-05 10:34 onlyblues 阅读(61) 评论(0) 推荐(0)
D. Pinball
摘要：D. Pinball There is a one-dimensional grid of length $n$. The $i$-th cell of the grid contains a character $s_i$, which is either '<' or '>'. When a p 阅读全文
posted @ 2024-03-01 16:20 onlyblues 阅读(21) 评论(0) 推荐(0)

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