CF559C Gerald and Giant Chess Description 给定一个 H×WH×W 的棋盘,棋盘上只有 NN 个格子是黑色的,其他格子都是白色的。在棋盘左上角有一个卒,每一步可以向右或者向下移动一格,并且不能移动到黑色格子中。求这个卒从左上角移动到右下角,一共有多少种可能的路线,答案对 109+7109+7 取模。 Constraints ...
在棋盘左上角有一个卒,每一步可以向右或者向下移动一格,并且不能移动到黑色格子中。求这个卒从左上角移动到右下角,一共有多少种可能的路线。 输入格式 第1行:3个正整数h,w,n(1≤h,w≤10^5,1≤n≤2000) 接下来n行,第i+1行包含两个整数ri,ci即黑色格子的坐标 输出格式 输出一个整数,即总的方案数。
运行 AI代码解释 // luogu-judger-enable-o2#include<iostream>#include<algorithm>#include<cstdio>#include<stack>#include<vector>#include<cstring>#define Pair pair<int,int>#defineMP(x,y)make_pair(x,y)#define fi first #define se second #define int long long//#define int long longusing names...
codeforces 559C Gerald and Giant Chess(dp+组合数学),题目链接:codeforces559C题目大意:给出一个h*r的矩阵,从左上角走到右下角,中间有一些到达第i个黑块的方案数。dp[i]=Cxixi+yj−∑xj<=
Gerald is finishing a game of giant chess against his friend Pollard. Gerald has almost won, and the only thing he needs to win is to bring the pawn from the upper left corner of the board, where it is now standing, to the lower right corner. Gerald is so confident of victory that ...
Gerald and Giant Chess(dp+组合数学) 传送门 令f[i]f[i]f[i]表示对于第iii个棋子,从(1,1)(1,1)(1,1)出发到它不经过其它棋子的方案数。 于是我们假设(h,w)(h,w)(h,w)有一个棋子,求出它的fff值就可以了。 然后考虑容斥转移fff数组。 根据定义,我们求出从(1,1)(1,1)(1,1)出发到它的...
is growing dismay at those critiquing Assad’s overthrow for showing little regard for the sincere desire for freedom of Arabs and relegating their national aspirations to mere chess moves on a geopolitical board. , these oracles of doom are nearly always railing against the paternalistic patronising...
But he's been a quality cornerback for nearly all of his 97 career starts and would still give plenty of teams a boost. UPDATE: Trufant and the Lions agreed to terms on a two-year, $21 million deal, per Pelissero. 56) Gerald McCoy, DT, Dallas Cowboys McCoy is hardly the ...
Gerald and Giant Chess (Gerald and Giant Chess )[https://www.luogu.org/problemnew/show/CF559C] 给你一个\(n\times m\)的网格图,有t个棋子被标记成黑色,第i个黑色格子记做\((x_i,y_i)\),其余白色,现在询问在只能向下走或向右走的前提下,从\((1,1)\)到\((n,m)\)的不经过黑色格子的...
Other Characters: Constable Ryan; Constable Culloden; Anernerk; Anenerk's Grandfather; Lieutenant-Colonel Gerald Reed; Reavers; Netsilik Tribespeople; Aztecs; Spanish Captain Locations: Canada; Dawson Story: After viewing the aftermath of a massacre in a Nunamiut village in the Canadian Arctic, ...