Cod sursa(job #1696202)

Utilizator petruciurpetru ciur petruciur Data 28 aprilie 2016 16:08:40
Problema Rj Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 3.44 kb
#include <fstream>
#include <cstring>

using namespace std;

ifstream y("rj.in");
ofstream w("rj.out");

int main()
{
    int m,n,x1,y1,x2,y2,X,Y,P,l,cc,b[101][101],xf,yf,mini=999,d[101][101],s,f;
    char a[100][100];
    y>>n>>m;
    struct
    {
        int x,y,p,t;
    } Q[1001];

    char str[101];
    y.getline(str,100);

    for (int i = 1; i <= n; i++)
    {
        y.getline(str,100);
        for (int j = 0; j < strlen(str); j++)
        {

            if (str[j] == ' ')
                b[i][j+1] = 999;
            else if (str[j] == 'X')
                b[i][j+1] = -1;
            else
            if (str[j]=='R')
                x1=i,y1=j+1;
            else if(str[j]=='J')
                x2=i,y2=j+1,b[i][j+1]=999;
        }

        if (strlen(str) < m)
            for (int j = strlen(str)+1; j <=m; j++)
                b[i][j] = 999;
    }

    Q[1].x=x1;
    Q[1].y=y1;
    Q[1].p=0;
    s=1;
    f=2;

    for(int p=1; p<=n; p++)
        for(int r=1; r<=m; r++)
            d[p][r]=0;

    while(s<=f)
    {
        X=Q[s].x;
        Y=Q[s].y;
        P=Q[s].p;

        if(b[X-1][Y]==999 && !d[X-1][Y])
        {
            Q[f].x=X-1;
            Q[f].y=Y;
            Q[f].p=P+1;
            Q[f].t=s;
            if(X!=x2&&Y!=y2)
                d[X-1][Y]=1;
            f++;
        }

        if(b[X+1][Y]==999 && !d[X+1][Y])
        {
            Q[f].x=X+1;
            Q[f].y=Y;
            Q[f].t=s;
            Q[f].p=P+1;
            if(X!=x2&&Y!=y2)
                d[X+1][Y]=1;;
            f++;
        }

        if(b[X][Y-1]==999 && !d[X][Y-1])
        {
            Q[f].x=X;
            Q[f].y=Y-1;
            Q[f].t=s;
            Q[f].p=P+1;
            if(X!=x2&&Y!=y2)
                d[X][Y-1]=1;
            f++;
        }


        if(b[X][Y+1]==999 && !d[X][Y+1])
        {
            Q[f].x=X;
            Q[f].y=Y+1;
            Q[f].t=s;
            Q[f].p=P+1;
            if(X!=x2&&Y!=y2)
                d[X][Y+1]=1;
            f++;
        }

        if(b[X+1][Y+1]==999 && !d[X+1][Y+1])
        {
            Q[f].x=X+1;
            Q[f].y=Y+1;
            Q[f].t=s;
            Q[f].p=P+1;
            if(X!=x2&&Y!=y2)
                d[X+1][Y+1]=1;
            f++;
        }
        if(b[X-1][Y-1]==999 && !d[X-1][Y-1])
        {
            Q[f].x=X-1;
            Q[f].y=Y-1;
            Q[f].t=s;
            Q[f].p=P+1;
            if(X!=x2&&Y!=y2)
                d[X-1][Y-1]=1;
            f++;
        }
        if(b[X+1][Y-1]==999 && !d[X+1][Y-1])
        {
            Q[f].x=X+1;
            Q[f].y=Y-1;
            Q[f].t=s;
            Q[f].p=P+1;
            if(X!=x2&&Y!=y2)
                d[X+1][Y-1]=1;
            f++;
        }
        if(b[X-1][Y+1]==999 && !d[X-1][Y+1])
        {
            Q[f].x=X-1;

            Q[f].y=Y+1;
            Q[f].t=s;
            Q[f].p=P+1;
            if(X!=x2&&Y!=y2)
                d[X-1][Y+1]=1;
            f++;
        }
        s++;
    }
    int poz;
    for(int i=2; i<f; i++)

        if(Q[i].x==x2&&Q[i].y==y2)
            if(Q[i].p<mini)
               if(Q[i].p%2==0)
               {
                   poz=i;
                   mini=Q[i].p;
                }
                int nr;
    nr=Q[poz].p/2;
    for(int i=1;i<=nr;i++)
        poz=Q[poz].t;

       w<<nr+1<<" "<< Q[poz].x<<" "<<Q[poz].y;

    return 0;
}