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Re:虽然还不会做,但这么明显的博弈题怎么网上所有的分类都说是几何题,再也不信网上的分类了In Reply To:Re:虽然还不会做,但这么明显的博弈题怎么网上所有的分类都说是几何题,再也不信网上的分类了 Posted by:JiaJunpeng at 2012-12-16 23:00:31 > 明显主要考博弈论,几何处理只是浮云
猜了个结论G++过了,但C++WA,以下是代码,不知道为神马
Source Code
Problem: 2315 User: JiaJunpeng
Memory: 700K Time: 0MS
Language: G++ Result: Accepted
Source Code
#include<iostream>
#include<stdio.h>
#include<algorithm>
#include<cmath>
#include<cstdlib>
#include<cstring>
#include<string>
#include<vector>
using namespace std;
int n,m,l,r,c[33],k;
double dist,pi=acos(-1.00),now,eps=1e-9;
int main()
{
int i,j,s,p,q;
while(scanf("%d%d%d%d",&n,&m,&l,&r)==4)
{
k=(int)((double)(l+eps)/(2*pi*r));
for(i=0;i<n;i++)
{
scanf("%lf",&dist);
c[i]=(int)((dist-eps)/(2*pi*r))+1;
c[i]%=k+1;
}
for(i=0;i<31;i++)
{
int value=0;
for(j=0;j<n;j++)
{
if(c[j]&(1<<i))
value++;
}
if(value%(m+1)!=0)
break;
}
if(i<31)
puts("Alice");
else
puts("Bob");
}
return 0;
}
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