Cod sursa(job #1637263)

Utilizator Dragos2811Rebegea Dragos Dragos2811 Data 7 martie 2016 16:06:44
Problema Rj Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 2.08 kb
#include <iostream>
#include <fstream>
#include <queue>
#include <string.h>
using namespace std;
ifstream fin("rj.in");
ofstream fout("rj.out");
int dx[]={0,0,1,1,1,-1,-1,-1};
int dy[]={1,-1,0,1,-1,0,1,-1};
int ro[105][105],ju[105][105],n,m,rx,ry,jx,jy,minx,miny,dmax=100000;
queue < pair <int, int> > coada;
string s;
void citire()
{   int i;unsigned int j;
    fin>>n>>m;
    fin.get();
    for(i=1; i<=n; i++)
    { getline(fin,s);
      for(j=0; j<s.length(); j++)
    {    if(s[j]==' ')ro[i][j+1]=ju[i][j+1]=0;
         else if(s[j]=='X')ro[i][j+1]=ju[i][j+1]=-1;
         else if(s[j]=='R'){ rx=i;
                             ry=j+1;
                        }
         else if(s[j]=='J'){ jx=i;
                             jy=j+1;
                        }
     }
    }
}
bool ok(int i,int j,int a[][105])
{
    return a[i][j]==0 && i>=1 && j>=1 && i<=n && j<=m;
}
void lee(int x, int y,int a[][105])
{
    int i,j,i_urm,j_urm;
    a[x][y]=1;
    coada.push(make_pair(x,y));
    while(!coada.empty())
    {
        i=coada.front().first;
        j=coada.front().second;
        coada.pop();
        for(int d=0; d<8; d++) { i_urm=i+dx[d];
                                 j_urm=j+dy[d];
                                 if(ok(i_urm,j_urm,a)){ a[i_urm][j_urm]=1+a[i][j];
                                                                           coada.push(make_pair(i_urm,j_urm));
                                                                         }
                               }
    }
}
int main()
{
    citire();
    lee(rx,ry,ro);
    lee(jx,jy,ju);
    for(int i=1; i<=n; i++)
    for(int j=1; j<=m; j++)if(ro[i][j]==ju[i][j] && ro[i][j]>0)if(ro[i][j]<dmax){ minx=i;
                                                                                  miny=j;
                                                                                  dmax=ro[i][j];
                                                                                }
    fout<<ro[minx][miny]<<" "<<minx<<" "<<miny;

    fin.close();
    fout.close();
    return 0;
}