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#include
#include
using namespace std; int main() { // prvo vnesuvame kolku redovi i koloni ke ima lavirintot, a posle gi pisuvame negovite elementi int redovi, koloni; cin >> redovi >> koloni; char lavirint[redovi][koloni]; int poseteno[redovi][koloni]; int pocetok_i, pocetok_j; // indeksot na redot i kolonata na pocetnoto pole for(int i = 0; i < redovi; i++) { for(int j = 0; j < koloni; j++) { cin >> lavirint[i][j]; poseteno[i][j] = 0; if(lavirint[i][j] == 'P') { pocetok_i = i; pocetok_j = j; } } } queue
Q; Q.push(pocetok_i); Q.push(pocetok_j); poseteno[pocetok_i][pocetok_j] = 1; while(Q.size() > 0) { int ci = Q.front(); Q.pop(); int cj = Q.front(); Q.pop(); cout << ci << " " << cj << endl; // prvo treba da proverime dali slucajno sme stignale na kraj if(lavirint[ci][cj] == 'K') { cout << "Stignavme do krajot" << endl; break; } // probuvame da se dvizime nagore if(ci - 1 >= 0 and lavirint[ci - 1][cj] != '#' and poseteno[ci - 1][cj] == 0) { Q.push(ci - 1); Q.push(cj); poseteno[ci - 1][cj] = 1; } // probuvame da se dvizime nadole if(ci + 1 < redovi and lavirint[ci + 1][cj] != '#' and poseteno[ci + 1][cj] == 0) { Q.push(ci + 1); Q.push(cj); poseteno[ci + 1][cj] = 1; } //probuvame da se dvizime levo if(cj - 1 >= 0 and lavirint[ci][cj - 1] != '#' and poseteno[ci][cj - 1] == 0) { Q.push(ci); Q.push(cj - 1); poseteno[ci][cj - 1] = 1; } // probuvame da se dvizime desno if(cj + 1 < koloni and lavirint[ci][cj + 1] != '#' and poseteno[ci][cj + 1] == 0) { Q.push(ci); Q.push(cj + 1); poseteno[ci][cj + 1] = 1; } } return 0; } /* 4 5 ..... P#... ..... #.K.. **/
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