#include <fstream>
#include <sstream>
#define nMax 100
#define mMax 100
#define DEBUG 1
#define DB if(DEBUG)
#define toupper1(c) ((c>='a' && c<'z')?c-'a'+'A':c)
using namespace std;
int N,M,dcrt=0,vmax=nMax*mMax+1;
int X=vmax+'X',R=vmax+'R',J=vmax+'J', Spatiu=vmax+' ';
int oras[nMax+1][mMax+1] {Spatiu};
int iR, jR, iJ, jJ, iIntalnire=X, jIntalnire=X, tminDrum;
int di[]={1,0,-1,-1,-1,0,1,1};
int dj[]={-1,-1,-1,0,1,1,1,0};
void citiremat(char numefis[])
{
int i,j,k=0, jcmin, lngLinie;
char cc;
string linie;
ifstream in(numefis);
getline(in,linie);
stringstream ssin(linie);
ssin>>N>>M;
DB printf("N=%d M=%d\n",N,M);
for(i=1;i<=N;i++){
for(j=0;j<=M;j++)
oras[i][j]=Spatiu;
getline(in,linie);
lngLinie = linie.length();
jcmin = M<=lngLinie ?M:lngLinie;
for(j=1;j<=jcmin;j++)
{
cc=linie[j-1];
if(cc==0 || cc=='\r' || cc=='\n') break;
k++;
DB printf("%c",cc==' '?'.':cc);
cc=toupper1(cc);
if(cc=='X'||cc=='R'||cc=='J'||cc==' ')oras[i][j]=vmax+cc;
if(oras[i][j]==R) {
iR=i;
jR=j;
}
else if(oras[i][j]==J) {
iJ=i;
jJ=j;
}
}
DB printf(" --jcmin=%d\n", jcmin);
linie="";
}
DB printf(" iR=%d jR=%d iJ=%d jJ=%d k=%d ********\n", iR, jR, iJ, jJ, k);
}
void afismat(char * numefis)
{
ofstream out(numefis);
int i,j;
DB printf("\n");
for(i=1;i<=N;i++)
{
out<<endl;
DB printf("\n");
for(j=1;j<=M;j++) {
out<<oras[i][j]<<" ";
DB printf("%c ",oras[i][j]>vmax?oras[i][j]-vmax: oras[i][j]+'0');
}
}
}
void drecurs(int i, int j, int d){
int dcrt=d;
int k, iv, jv, oc ;
for(k=0;k<8;k++){
iv=i+di[k];
if(iv<1||iv>N) continue;
jv=j+dj[k];
if(jv<1||jv>M) continue;
oc=oras[iv][jv];
if(oc==X || oc==R || oc==J) continue;
if(oc > dcrt) {
oras[iv][jv]= dcrt;
drecurs(iv,jv, dcrt+1);
}
}
}
int timpminim(int i, int j){
int k, iv, jv, oc,tmin=X ;
for(k=0;k<8;k++){
iv=i+di[k];
if(iv<1||iv>N) continue;
jv=j+dj[k];
if(jv<1||jv>M) continue;
oc=oras[iv][jv];
if(oc==X || oc==R || oc==J) continue;
if(oc < tmin) {
tmin=oc;
}
}
return tmin;
}
void cautaPunctDeIntalnire(int i, int j, int tstart,int tstop){
int k, iv, jv, oc;
DB printf("\ni=%d j=%d tstart=%d tstop=%d", i,j,tstart, tstop);
for(k=0;k<8;k++){
iv=i+di[k];
if(iv<1||iv>N) continue;
jv=j+dj[k];
if(jv<1||jv>M) continue;
oc=oras[iv][jv];
if(oc==X || oc==R || oc==J) continue;
if(oc == tstop) {
if(iv<iIntalnire) {
iIntalnire=iv;
jIntalnire=jv;
}
if (iv==iIntalnire && jv<jIntalnire) {
jIntalnire=jv;
}
continue;
}
if(oc==tstart)
cautaPunctDeIntalnire(iv,jv, tstart-1,tstop);
}
}
int main()
{
citiremat("rj.in");
DB afismat("rjinit1.out");
drecurs(iR, jR, 1);
DB afismat("rj.out");
tminDrum=timpminim(iJ,jJ);
DB printf("\ntmin=%d",tminDrum);
cautaPunctDeIntalnire(iJ,jJ,tminDrum,(tminDrum+1)/2);
DB printf(" Intalnire=(%d, %d)",iIntalnire,jIntalnire);
ofstream out("rj.out");
out<<(tminDrum+1)/2<< " " <<iIntalnire<<" " <<jIntalnire<<endl;
return 0;
}