HDU 1536 SG函式模板

2021-07-15 21:55:05 字數 755 閱讀 6484

題目:

多堆石子,先手勝為l,後手勝為w,

思路:

sg函式:

sg[i]=0表示先手必敗,否則必勝

有多堆石子,每次對sg[k]的值亦或(^)最終為0則必敗,否則必勝

#include

#include

#include

#include

#include

#include

#include

#include

#include

#include

#include

#include

using

namespace

std;

#define mod 1000000007

#define pi acos(-1.0)

#define inf 0x3f3f3f3f

typedef

long

long ll;

const

int n = 10008;

int s[108],t;

int sg[n];

bool hash[n];

void sg_solve(int *s,int t,int n) //n求解範圍 s陣列是可以每次取的值,t是s的長度。

}int main()

ans+=res?'w':'l';

}cout

0;}

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