1001. 网格照明 在大小为 n x n 的网格 grid 上，每个单元格都有一盏灯，最初灯都处于 关闭 状态。 给你一个由灯的位置组成的二维数组 lamps ，其中 lamps[i] = [row<sub style="display: inline;">i</sub>, col<sub style="display: inline;">i</sub>] 表示 打开 位于 grid[row<sub s
题目： 在大小为 n x n 的网格 grid 上，每个单元格都有一盏灯，最初灯都处于 关闭 状态。 给你一个由灯的位置组成的二维数组 lamps ，其中 lamps[i] = [rowi, coli] 表示 打开 位于 grid[rowi][coli] 的灯。即便同一盏灯可能在 lamps 中多次列出，不会影响这盏灯处于 打开 状态。 当
题目链接(https://codeforces.com/problemset/problem/140/E) E. New Year Garland time limit per test 5 seconds memory limit per test 256 megabytes input standard input output standard output As Gerald, Alexander, Sergey and Gennady are already busy with the usua
HDUOJ 2053Switch Game Problem Description There are many lamps in a line. All of them are off at first. A series of operations are carried out on these lamps. On the i-th operation, the lamps whose numbers are the multiple of i change the condition (
Description You are given the task to design a lighting system for a huge conference hall. After doing a lot of calculation & sketching, you have figured out the requirements for an energy-efficient design that can properly illuminate the entire hall.
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在 N x N 的网格上，每个单元格 (x, y) 上都有一盏灯，其中 0 <= x < N 且 0 <= y < N 。 最初，一定数量的灯是亮着的。lamps[i] 告诉我们亮着的第 i 盏灯的位置。每盏灯都照亮其所在 x 轴、y 轴和两条对角线上的每个正方形（类似于国际象棋中的皇后）。 对于第 i 次查询 queri
You are given the task to design a lighting system for a huge conference hall. After doing a lot of calculation and sketching, you have figured out the requirements for an energy-efficient design that can properly illuminate the entire hall. According to you
Wall lamps are mostly used for local lighting, can play a very decorative effect, improve the visual effect of the whole home space, especially suitable for European and American decoration style, wall lamps are more kinds, LED wall lamp is one of them. N
Unlike ceiling lamps, floor lamps, chandeliers, lamps that can sometimes rely on "faces", LED ceiling lamps and LED ceiling lamps have always relied on strength - using pure light and shadow to shape the taste, and to achieve excellent decorativ
CF重现赛 A. Two distinct points time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output You are given two segments [l1;r1][l1;r1] and [l2;r2][l2;r2] on the xx-axis. It is guaranteed that l1<r1l1<r1 and l
C. Nice Garland time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output You have a garland consisting of nn lamps. Each lamp is colored red, green or blue. The color of the ii-th lamp is sisi ('R
原题 On a N x N grid of cells, each cell (x, y) with 0 <= x < N and 0 <= y < N has a lamp. Initially, some number of lamps are on. lamps[i] tells us the location of the i-th lamp that is on. Each lamp that is on illuminates every square on its
On a N x N grid of cells, each cell (x, y) with 0 <= x < N and 0 <= y < N has a lamp. Initially, some number of lamps are on. lamps[i] tells us the location of the i-th lamp that is on. Each lamp that is on illuminates every square on its x-
You have a garland consisting of nn lamps. Each lamp is colored red, green or blue. The color of the ii-th lamp is sisi ('R', 'G' and 'B' — colors of lamps in the garland). You have to recolor some lamps in this garland (reco
