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题解 CF1342E Placing Rooks CF1342F Make It Ascending
#CF1342E 题意 给定一个$n \times n$的棋盘,要求放$n$个棋,使得所有格子都在攻击范围内,且恰好有$k$对互相攻击,求方案数对$998244353$取模的结果。两个棋互相攻击当且仅当它们在同一行或者同一列,且中间没有其他棋子。\(n \leq 200000\)。 题解 发现每个格 ...
分类:其他好文   时间:2020-09-17 16:41:27    阅读次数:27
1128 N Queens Puzzle (20分)
The "eight queens puzzle" is the problem of placing eight chess queens on an 8 chessboard so that no two queens threaten each other. Thus, a solution ...
分类:其他好文   时间:2020-05-05 20:21:48    阅读次数:56
E. Placing Rooks (组合数学,经典容斥,思维)
题目:传送门 博一 博二 #include <bits/stdc++.h> #define LL long long #define ULL unsigned long long #define mem(i, j) memset(i, j, sizeof(i)) #define rep(i, j, ...
分类:其他好文   时间:2020-05-02 14:38:11    阅读次数:99
1128 N Queens Puzzle
The "eight queens puzzle" is the problem of placing eight chess queens on an 8 chessboard so that no two queens threaten each other. Thus, a solution ...
分类:其他好文   时间:2020-04-21 23:40:06    阅读次数:92
POJ 2528 线段树+离散化
Description The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their electoral poste ...
分类:其他好文   时间:2020-04-05 00:52:42    阅读次数:87
题解 AT3717 【[ABC081A] Placing Marbles】
"题目传送门" 。 _______ 分析 我们可以把字符串中所有数加起来输出,那么到底怎么把一个字符变成一个数字呢。我们只需要减去字符$0$就可以了。 详细步骤 1. 定义字符串$s$并将其输入。 2. 我们可以将每一个字符减去字符$0$,然后将它们一次相加并输出。 ...
分类:其他好文   时间:2020-02-28 12:11:48    阅读次数:58
【leetcode】1275. Find Winner on a Tic Tac Toe Game
题目如下: Tic-tac-toe is played by two players A and B on a 3 x 3 grid. Here are the rules of Tic-Tac-Toe: Players take turns placing characters into empt ...
分类:Windows程序   时间:2019-12-08 10:40:21    阅读次数:113
CSS Grid 筆記 11-Spanning and Placing Cardio
此篇為之前筆記的總結練習Demo | Github練習的 html 內容已經預訂好,在 body 內的內容如下所示123456789101112131415161718192021222324252627282930313233 1 2 3 4 5 6 7 8 💩 9 10 11 12 13 14... ...
分类:Web程序   时间:2019-10-17 15:37:21    阅读次数:91
POJ 2528 Mayor's posters(线段树+离散化)
Description The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their electoral poste ...
分类:其他好文   时间:2019-08-07 19:25:30    阅读次数:99
POJ 2528-Mayor's posters-线段树+离散化
Description The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their electoral poste ...
分类:其他好文   时间:2019-08-06 10:40:19    阅读次数:77
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