题目描述 有n盏灯,每个灯有开和关两种状态。每按一次灯会变成相反的状态。 给定灯初始的开关状态和结束的开关状态,若操作k轮,每轮要按m个不同的灯,问有多少种方法使灯由初始状态变到结束状态。题解 需注意每轮要按不同的灯,若无这个条件,暴力计算组合数即可。要操作多轮,且每轮按灯的操作顺序不予考虑。
Unlock all of the achievements! And if you are looking for an extra challenge prove yourself on the leaderboard! Sign to enable all of the game feature such as saving your score and competing on the leaderboard! (offline play available) Features...
Flipping Game(DP+组合数) 题目链接:https://cn.vjudge.net/problem/ZOJ-4114 题目大意:给你n个开关,一共是kk轮,一轮可以关m个灯(这m个灯必须都不同),问你有多少种方法能从初始状态到达最终状态。 具体思路:dp[i][j] 表示到第i轮的时候,当前正确的为j的这种情况有多少个。 i : 1->kk j : 0->...
327 a — Flipping game By shyam81295, history, 10 years ago, My first problem of Dynamic Programming Logic: max (total_1s + max (number_of_0s_in_subarray)) The key to solve this problem is to make use of Kadane's Algorithm. Kadance's Algorithm basically is used to find the ...
Flipping Game(DP+组合数) 题目链接:https://cn.vjudge.net/problem/ZOJ-4114 题目大意:给你n个开关,一共是kk轮,一轮可以关m个灯(这m个灯必须都不同),问你有多少种方法能从初始状态到达最终状态。 具体思路:dp[i][j] 表示到第i轮的时候,当前正确的为j的这种情况有多少个。
Flipping Game time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Iahub got bored, so he invented a game to be played on paper. He writesnintegersa1, a2, ..., an. Each of those integers can be either 0 or 1. He's allo...
Flipping Eck Simply leap your way across the gaps in this tricky, challenging little platform game. But can you find the secret trick to getting a huge score? Collect and earn coins to unlock the whole family of characters, in the World’s daftest, most Northern game. ...
Can you solve this real interview question? Card Flipping Game - You are given two 0-indexed integer arrays fronts and backs of length n, where the ith card has the positive integer fronts[i] printed on the front and backs[i] printed on the back. Initial
CF 327A - Flipping Game Iahub got bored, so he invented a game to be played on paper. He writes n integers a1, a2, ..., an. Each of those integers can be either 0 or 1. He's allowed to do exactly one move: he chooses two indices i and j (1 ≤ i ≤ j...
Frenzy Game - The craziest, fastest, fun, flipping card game you'll ever play! Turn cards against opponents in this game of speed and constant flux where you dare not blink