Pagini recente » Cod sursa (job #2387326) | Cod sursa (job #1545297) | Cod sursa (job #2233308) | Cod sursa (job #2767517) | Cod sursa (job #2507386)
#include <bits/stdc++.h>
using namespace std;
ifstream fin("rj.in");
ofstream fout("rj.out");
queue < pair < int, int > > q;
int n, m, sr[101][101], sj[101][101];
int x, y, timp=101, ri, rj, ji, jj;
char s[101];
int di[8]={0, 0, -1, 1, -1, 1, -1, 1};
int dj[8]={-1, 1, 0, 0, -1, -1, 1, 1};
void leej(int i, int j){
q.push(make_pair(i, j));
while(!q.empty()){
int i=q.front().first;
int j=q.front().second;
q.pop();
for(int k=0;k<8;k++){
int ni=i+di[k];
int nj=j+dj[k];
if(sj[ni][nj]!=-1 && sj[ni][nj]==0){
sj[ni][nj]=sj[i][j]+1;
q.push(make_pair(ni, nj));
}
}
}
}
void leer(int i, int j){
q.push(make_pair(i, j));
while(!q.empty()){
int i=q.front().first;
int j=q.front().second;
q.pop();
for(int k=0;k<8;k++){
int ni=i+di[k];
int nj=j+dj[k];
if(sr[ni][nj]!=-1 && sr[ni][nj]==0){
sr[ni][nj]=sr[i][j]+1;
q.push(make_pair(ni, nj));
}
}
}
}
void bordare(){
for(int i = 0; i <= n + 1; i++) {
sr[i][0] = -1;
sj[i][0] = -1;
sr[i][m+1] = -1;
sj[i][m+1] = -1;
}
for(int j = 0; j <= m + 1; j++) {
sr[0][j] = -1;
sj[0][j] = -1;
sr[n+1][j] = -1;
sj[n+1][j] = -1;
}
}
int main(){
fin>>n>>m;
fin.getline(s, 101);
for(int i=1;i<=n;i++){
fin.getline(s, 101);
for(int j=1;j<=m;j++){
if(s[j-1]=='R'){
sr[i][j]=1;
ri=i;
rj=j;
}else if(s[j-1]=='J'){
sj[i][j]=1;
ji=i;
jj=j;
}else if(s[j-1]=='X'){
sr[i][j] = sj[i][j] = -1;
}else{
sr[i][j]=sj[i][j]=0;
}
}
}
bordare();
leer(ri,rj);
leej(ji,jj);
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
if(sr[i][j]==sj[i][j] && sj[i][j]>0 && sj[i][j]<timp){
timp = sj[i][j];
x = i;
y = j;
}
}
}
fout<<timp<<" "<<x<<" "<<y;
return 0;
}