0223B

#include <iostream>#include <cstdio>#include <cstring>#include <string>#include <iomanip>#include <cmath>#include <set>#include <map>#include <queue>using namespace std;int row,col,heit;int g[40][40][40];int dia[6][3]={0,1,0,0,-1,0,0,0,-1,0,0,1,-1,0,0,1,0,0};int vis[40][40][40];struct node{    int r,c,h;};node s,e;node md(int _h,int _r,int _c){    node Node;    Node.c=_c;    Node.h=_h;    Node.r=_r;    return Node;}void init(){    memset(vis,-1,sizeof vis);}void bfs(){    queue<node>q;    while (!q.empty())q.pop();    q.push(s);    vis[s.h][s.r][s.c] = 0;    while (!q.empty()){        node temp = q.front();        q.pop();    //  cout  << "lalalademaxiya!!"<<temp.h <<" "<<temp.r <<" "<<temp.c<<endl;        for (int i = 0;i<6;++i){            //int dia[6][3]={0,1,0,0,-1,0,0,0,-1,0,0,1,-1,0,0,1,0,0};            int dh = temp.h + dia[i][0],dr = temp.r + dia[i][1],dc = temp.c + dia[i][2];        //  cout << dh <<" "<< dr <<" "<< dc <<" "<< endl;            if (dh <= 0 || dr <=0 || dc <=0 || dr > row || dh >heit || dc > col )continue;            if (g[dh][dr][dc]==1 && vis[dh][dr][dc]==-1){                vis[dh][dr][dc] = vis[temp.h][temp.r][temp.c] + 1;                q.push(md(dh,dr,dc));            //  cout << dh <<" "<<dr<<" "<<dc<<endl;            }        }    }}int main(){//  freopen("t.x","w",stdout);    while (cin >> heit >> row >>col ){        if (!row&&!col&&!heit){            return 0;        }        for (int i = 1;i<=heit;++i){            for (int j=1;j<=row;++j){                for (int k=1;k<=col;++k){                    char c;                    cin >> c;                    if (c == '\n'||c=='\t')cin >>c >> c;                    if (c=='#')g[i][j][k] = 0;                    if (c=='.')g[i][j][k] = 1;                    if (c=='S'){                        s = md(i,j,k);                        g[i][j][k] = 1;                    }                    if (c=='E'){                        e=md(i,j,k);                        g[i][j][k] = 1;                    }                }            }        }        init();        bfs();        if(vis[e.h][e.r][e.c]>-1) cout << "Escaped in "<<vis[e.h][e.r][e.c]<<" minute(s).\n";else cout<<"Trapped!\n";    }    return 0;}