Cod sursa(job #2653487)

Utilizator mariamirabella2Bucur-Sabau Maria-Mirabela mariamirabella2 Data 28 septembrie 2020 11:36:57
Problema Kdrum Scor 40
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.18 kb
#include <fstream>
#include <queue>
#include <iostream>
using namespace std;

ifstream fin("kdrum.in");
ofstream fout("kdrum.out");

struct idk{
    int i,j,mod;
};
const int vx[]={0,1,0,-1},vy[]={1,0,-1,0};
int n,m,k,x1,y1,x2,y2,v[55][55],dp[55][55][12005];
queue <idk> q;

int main()
{
    fin>>n>>m>>k>>x1>>y1>>x2>>y2;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
        fin>>v[i][j];
        }
    }
    q.push({x1,y1,v[x1][y1]%k});
    dp[x1][y1][v[x1][y1]%k] = 1;
    while(!q.empty()){
        int i=q.front().i;
        int j=q.front().j;
        int poz1=q.front().mod;
      //  cout << i << " " <<j << " " << poz1 << "\n";
        q.pop();
        for (int w=0;w<4;w++) {
            int xx = i + vx[w];
            int yy = j + vy[w];
            if (v[xx][yy] != 0) {
                int poz2=(v[xx][yy]%k*poz1)%k;
                if (dp[xx][yy][poz2] == 0) {
                    dp[xx][yy][poz2]=dp[i][j][poz1] + 1;
                    q.push({xx, yy, poz2});
                }
            }
        }
    }
    fout<<dp[x2][y2][0];
    return 0;
}
///dp[xx][yy][cat e modulo cu drumul pana in xx,yy]= dp[i][j][modulo pana la i,j]