【树状数组+三维】杭电 hdu 3584 Cube

 

/* THE PROGRAM IS MADE BY PYY */
/*----------------------------------------------------------------------------//
    Copyright (c) 2012 panyanyany All rights reserved.

    URL   : http://acm.hdu.edu.cn/showproblem.php?pid=3584
    Name  : 3584 Cube

    Date  : Monday, April 16, 2012
    Time Stage : one hour

    Result:
5786208	2012-04-16 20:21:21	Accepted	3584
140MS	5436K	2090 B
C++	pyy


Test Data :

Review :
我觉得getsum(x)&1 和 (getsum(x) – getsum(x-1))&1 效果应该一样才对啊，怎么后者会WA呢……
有请大牛的博客：
http://hi.baidu.com/496587701/blog/item/298d2ad672d55c20960a1613.html
//----------------------------------------------------------------------------*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <vector>

#include <algorithm>
#include <iostream>
#include <queue>

using namespace std ;

#define MEM(a, v)        memset (a, v, sizeof (a))    // a for address, v for value
#define max(x, y)        ((x) > (y) ? (x) : (y))
#define min(x, y)        ((x) < (y) ? (x) : (y))

#define INF     (0x3f3f3f3f)
#define MAXN 110
#define LESN 10002

#define L(x)	((x)<<1)
#define R(x)	(((x)<<1)|1)

#define DB    /##/
typedef __int64	LL;

int		n, m;
int		treeArr[MAXN][MAXN][MAXN];

inline int lowbit(int x)
{
	return x &amp; (-x);
}

void add(int x, int y, int z, int val)
{
	int i, j;
	while (x <= n)
	{
		i = y;
		while (i <= n)
		{
			j = z;
			while (j <= n)
			{
				treeArr[x][i][j] += val;
				j += lowbit(j);
			}
			i += lowbit(i);
		}
		x += lowbit(x);
	}
}

int getsum(int x, int y, int z)
{
	int sum = 0;
	int i, j;
	while (x > 0)
	{
		i = y;
		while (i > 0)
		{
			j = z;
			while (j > 0)
			{
				sum += treeArr[x][i][j];
				j -= lowbit(j);
			}
			i -= lowbit(i);
		}
		x -= lowbit(x);
	}
	return sum;
}

int main()
{
	int i, f, x, y, z, xx, yy, zz;
	while (scanf("%d %d", &amp;n, &amp;m) != EOF)
	{
		MEM(treeArr, 0);
		for (i = 0; i < m; ++i)
		{
			scanf("%d %d %d %d", &amp;f, &amp;x, &amp;y, &amp;z);
			if (0 == f)
			{
				printf("%d\n", getsum(x, y, z) &amp; 1);
			}
			else
			{
				scanf("%d %d %d", &amp;xx, &amp;yy, &amp;zz);
				add(x, y, z, 1);
				add(xx+1, y, z, -1);
				add(x, yy+1, z, -1);
				add(x, y, zz+1, -1);
				add(xx+1, yy+1, z, 1);
				add(xx+1, y, zz+1, 1);
				add(x, yy+1, zz+1, 1);
				add(xx+1, yy+1, zz+1, -1);
			}
		}
	}
	return 0;
}