70分茫然QAQ
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70分茫然QAQ
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Forest_楼主2020/9/2 16:25

淦,搞了好久还是70

听说可以放在地图外,数组开了335,把编号换成了101-229,还是错了QAQ

//0-128 -> 101-229
#include <bits/stdc++.h>
using namespace std;
int a[335][335],qzh[335][335];
int d,n;
int p(int k)
{
	if(k<101) return 101;
	else if(k>229) return 229;
	else return k;
}
int qiu(int x,int y)
{
	return qzh[p(x+d)][p(y+d)]-qzh[p(x+d)][p(y-d-1)]-qzh[p(x-d-1)][p(y+d)]+qzh[p(x-d-1)][p(y-d-1)];
}
int main()
{
//	freopen("wireless.in","r",stdin);
//	freopen("wireless.out","w",stdout);
	scanf("%d%d",&d,&n);
	for(int i=0;i<n;i++)
	{
		int x,y,k;
		scanf("%d%d%d",&x,&y,&k);
		a[x+101][y+101]+=k;
	}
	
	for(int i=1;i<335;i++)
	{
		for(int j=1;j<335;j++)
		{
			qzh[i][j]=qzh[i][j-1]+qzh[i-1][j]-qzh[i-1][j-1]+a[i][j];
		}
	}
	
	
	int ans=-1,jsq=0;
	for(int i=1;i<335;i++)
	{
		for(int j=1;j<335;j++)
		{
			ans=max(ans,qiu(i,j));
		}
	}
	
	for(int i=1;i<335;i++)
	{
		for(int j=1;j<335;j++)
		{
			if(qiu(i,j)==ans) jsq++;
		}
	}

	printf("%d %d",jsq,ans);
	
	return 0;
}
2020/9/2 16:25
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