Pagini recente » Cod sursa (job #1610438) | Cod sursa (job #3166722) | Cod sursa (job #1423821) | oji20092010 | Cod sursa (job #1994407)
#include <fstream>
#include <string>
#include <queue>
using namespace std;
ifstream in("rj.in");
ofstream out("rj.out");
int A[105][105], B[105][105],N,M;
queue < pair<int, int> > Q ;
int di[8] = {0,0,1,1,1,-1,-1,-1};
int dj[8] = {1,-1,-1,0,1,-1,0,1};
string s;
int xj, yj, xr, yr;
void read()
{
in>>N>>M;
getline(in,s);
for( int i=1; i<=N; i++)
{
getline(in,s);
for(int j=0; j<M; j++)
{
if(s[j] == 'X' ) {A[i][j+1]=-1; B[i][j+1]=-1;}
if(s[j] == 'J') { xj=i; yj=j+1; A[i][j+1]=1;}
if(s[j] == 'R') { xr=i; yr=j+1; B[i][j+1]=1;}
}
}
}
bool OK(int i, int j, int C[][105] )
{
if( i<1 || j<1 || i>N || j>M ) return false ;
if ( C[i][j] == -1 ) return false ;
return true ;
}
void Lee( int startx, int starty,int C[][105])
{
int i,j,i_next,j_next;
Q.push(make_pair(startx,starty));
while( !Q.empty() )
{
i = Q.front().first;
j = Q.front().second;
Q.pop();
for( int dr=0; dr<8; dr++)
{
i_next=i+di[dr];
j_next=j+dj[dr];
if( OK(i_next, j_next, C ) && !C[i_next][j_next] )
{
C[i_next][j_next]=C[i][j]+1;
Q.push(make_pair(i_next,j_next));
}
}
}
}
int main()
{
read();
Lee(xj,yj, A);
Lee(xr,yr,B);
int minim=1<<30 ;
for( int i=1; i<=N; i++)
{
for(int j=1; j<=M; j++)
if (A[i][j]==B[i][j] && A[i][j] >0 && A[i][j]<minim ) minim =A[i][j];
}
for( int i=1; i<=N; i++)
{
bool ok=false ;
for(int j=1; j<=M; j++)
if( A[i][j]==minim && B[i][j] == minim ) { out<<A[i][j]<<' ' << i<<' '<< j; ok=!ok; break; }
if( ok ) break ;
}
return 0;
}