Pagini recente » Cod sursa (job #427481) | Cod sursa (job #825232) | Cod sursa (job #1921982) | Cod sursa (job #611005) | Cod sursa (job #3316014)
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("rj.in");
ofstream fout("rj.out");
int main() {
int n, m;
fin >> n >> m;
char a[105][105];
int dr[105][105], dj[105][105];
int rx=0, ry=0, jx=0, jy=0;
const int INF = 1000000000;
int dx[8] = {-1,-1,-1,0,0,1,1,1};
int dy[8] = {-1,0,1,-1,1,-1,0,1};
// Citire corectă matrice, ignorăm spațiile și newline
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; ) {
char c;
fin.get(c);
if (c == ' ' || c == '\n' || c == '\r') continue;
a[i][j] = c;
if (c == 'R') { rx = i; ry = j; }
if (c == 'J') { jx = i; jy = j; }
j++;
}
}
// Inițializare distanțe
for (int i = 1; i <= n; i++)
for (int j = 1; j <= m; j++)
dr[i][j] = dj[i][j] = INF;
// --- BFS Romeo ---
int qx[10005], qy[10005];
int st = 0, drq = 0;
qx[drq] = rx; qy[drq] = ry; drq++;
dr[rx][ry] = 0;
while (st < drq) {
int x = qx[st], y = qy[st]; st++;
for (int d = 0; d < 8; d++) {
int nx = x + dx[d], ny = y + dy[d];
if (nx >= 1 && nx <= n && ny >= 1 && ny <= m && a[nx][ny] != 'X' && dr[nx][ny] == INF) {
dr[nx][ny] = dr[x][y] + 1;
qx[drq] = nx; qy[drq] = ny; drq++;
}
}
}
// --- BFS Julieta ---
st = drq = 0;
qx[drq] = jx; qy[drq] = jy; drq++;
dj[jx][jy] = 0;
while (st < drq) {
int x = qx[st], y = qy[st]; st++;
for (int d = 0; d < 8; d++) {
int nx = x + dx[d], ny = y + dy[d];
if (nx >= 1 && nx <= n && ny >= 1 && ny <= m && a[nx][ny] != 'X' && dj[nx][ny] == INF) {
dj[nx][ny] = dj[x][y] + 1;
qx[drq] = nx; qy[drq] = ny; drq++;
}
}
}
// --- Căutare celulă optimă ---
int bestT=INF, bestX=-1, bestY=-1;
for (int i = 1; i <= n; i++)
for (int j = 1; j <= m; j++)
if (dr[i][j] == dj[i][j] && dr[i][j] != INF)
if (dr[i][j] < bestT ||
(dr[i][j] == bestT && (i < bestX || (i == bestX && j < bestY)))) {
bestT = dr[i][j];
bestX = i; // nu scadem nimic
bestY = j;
}
fout << bestT << " " << bestX << " " << bestY;
return 0;
}