
1 3 3 4 20 0 1 1 1 0 0 1 1 0 1 1 1 1 1 1 1 1 0 0 1 0 1 1 1 0 0 0 0 0 1 1 0 0 1 1 0
11
#include<stdio.h>
#include<queue>
#include<iostream>
using namespace std;
typedef struct node
{
int x,y,z;
int time;
}Node;
int X,Y,Z,T,map[55][55][55],Time;
int dir[6][3]={{1,0,0},{-1,0,0},{0,1,0},{0,-1,0},{0,0,-1},{0,0,1}};
void BFS(int x,int y,int z)
{
Node s,q;
queue<Node> Q;
int e;
map[z][y][x]=1;
s.x=x; s.y=y; s.z=z; s.time=0;
if(s.x==X-1&&s.y==Y-1&&s.z==Z-1&&s.time<=T)
{
Time=s.time;
return ;
}
Q.push(s);
while(!Q.empty())
{
q=Q.front();
Q.pop();
for(e=0;e<6;e++)
if(dir[e][0]+q.x>=0&&dir[e][0]+q.x<X)
if(dir[e][1]+q.y>=0&&dir[e][1]+q.y<Y)
if(dir[e][2]+q.z>=0&&dir[e][2]+q.z<Z)
if(0==map[dir[e][2]+q.z][dir[e][1]+q.y][dir[e][0]+q.x]&&q.time+1<=T)
{
if(dir[e][0]+q.x==X-1&&dir[e][1]+q.y==Y-1&&dir[e][2]+q.z==Z-1)
{
Time=q.time+1;
return ;
}
s.x=dir[e][0]+q.x;
s.y=dir[e][1]+q.y;
s.z=dir[e][2]+q.z;
s.time=q.time+1;
if(x-s.x+Y-s.y+Z-s.z-3>T-s.time)
{
map[s.z][s.y][s.x]=1;
continue ;
}
map[s.z][s.y][s.x]=1;
Q.push(s);
}
}
}
int main()
{
int i,j,e,t;
scanf("%d",&t);
while(t--)
{
scanf("%d %d %d %d",&Z,&Y,&X,&T);
for(e=0;e<Z;e++)
for(i=0;i<Y;i++)
for(j=0;j<X;j++)
scanf("%d",&map[e][i][j]);
if(X+Y+Z-3>T||map[Z-1][Y-1][X-1]==1)
{
printf("-1\n");
continue;
}
Time=-1;
BFS(0,0,0);
printf("%d\n",Time);
}
return 0;
}
版权声明:本文为博主原创文章,未经博主允许不得转载。
原文地址:http://blog.csdn.net/u011479875/article/details/47308775