#include #include using namespace std; int main() { int redovi, koloni; cin >> redovi >> koloni; char lavirint[redovi][koloni]; int poseteno[redovi][koloni], poseteno2[redovi][koloni], poseteno3[redovi][koloni]; int si, sj; for(int i = 0; i < redovi; i++) { for(int j = 0; j < koloni; j++) { cin >> lavirint[i][j]; if(lavirint[i][j] == 'P') { si = i; sj = j; } poseteno[i][j] = 0; poseteno2[i][j] = 0; poseteno3[i][j] = 0; } } int direction_i[] = {+1, -1, 0, 0}; int direction_j[] = {0, 0, +1,-1}; int direction2_i[] = {+2, -2, 0, 0}; int direction2_j[] = {0, 0, +2, -2}; int direction3_i[] = {+3, -3, 0, 0}; int direction3_j[] = {0, 0, +3, -3}; queue Q; Q.push(si); Q.push(sj); Q.push(1); Q.push(0); poseteno[si][sj] = 1; while(Q.size() > 0) { int ci = Q.front(); Q.pop(); int cj = Q.front(); Q.pop(); int tip_cekor = Q.front(); Q.pop(); int cekor = Q.front(); Q.pop(); cout << ci << " " << cj << endl; if(lavirint[ci][cj] == 'K') { cout << cekor << endl; break; } if(tip_cekor == 1) { for(int i = 0; i < 4; i++) { int ti = ci + direction_i[i]; int tj = cj + direction_j[i]; if(ti >= 0 and ti < redovi and tj >= 0 and tj < koloni and lavirint[ti][tj] != '#' and poseteno[ti][tj] == 0) { Q.push(ti); Q.push(tj); Q.push(2); Q.push(cekor + 1); poseteno[ti][tj] = 1; } } } else if(tip_cekor == 2) { for(int i = 0; i < 4; i++) { int ti = ci + direction_i[i]; int tj = cj + direction_j[i]; if(ti >= 0 and ti < redovi and tj >= 0 and tj < koloni and lavirint[ti][tj] != '#') { ti = ci + direction2_i[i]; tj = cj + direction2_j[i]; if(ti >= 0 and tj < redovi and tj >= 0 and tj < koloni and lavirint[ti][tj] != '#' and poseteno2[ti][tj] == 0) { Q.push(ti); Q.push(tj); Q.push(3); Q.push(cekor + 1); poseteno2[ti][tj] = 1; } } } } else if(tip_cekor == 3) { for(int i = 0; i < 4; i++) { int ti = ci + direction_i[i]; int tj = cj + direction_j[i]; if(ti >= 0 and ti < redovi and tj >= 0 and tj < koloni and lavirint[ti][tj] != '#') { ti = ci + direction2_i[i]; tj = cj + direction2_j[i]; if(ti >= 0 and ti < redovi and tj >= 0 and tj < koloni and lavirint[ti][tj] != '#') { ti = ci + direction3_i[i]; tj = cj + direction3_j[i]; if(ti >= 0 and ti < redovi and tj >= 0 and tj < koloni and lavirint[ti][tj] != '#' and poseteno3[ti][tj] == 0) { Q.push(ti); Q.push(tj); Q.push(1); Q.push(cekor + 1); poseteno3[ti][tj] = 1; } } } } } } return 0; } /* 4 7 P...... #.##K.. .#.#..# ##..##. **/