Cod sursa(job #2716015)

Utilizator MihaiZ777MihaiZ MihaiZ777 Data 4 martie 2021 15:51:02
Problema Rj Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 2.48 kb
#include <iostream>
#include <fstream>
#include <queue>
using namespace std;

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


struct Vector2
{
    int row;
    int col;
};


queue <Vector2> v;
int mapR[105][105];
int mapJ[105][105];
int d[8][2] = {{1, 0}, {-1, 0}, {0, 1}, {0, -1}, {1, 1}, {-1, 1}, {1, -1}, {-1, -1}};


void Lee(int map[105][105], int n, int m, Vector2 start, Vector2 end)
{
    while (!v.empty())
    {
        Vector2 pos = v.front();
        int val = map[pos.row][pos.col];

        for (int i = 0; i < 8; i++)
        {
            Vector2 newpos = {pos.row + d[i][0], pos.col + d[i][1]};
            if (newpos.row > n || newpos.col > m || newpos.row < 1 || newpos.col < 1)
            {
                continue;
            }
            if (map[newpos.row][newpos.col] == 0)
            {
                map[newpos.row][newpos.col] = val + 1;
                v.push(newpos);
            }


        }

        v.pop();
    }
}


Vector2 checkPos(int n, int m)
{
    Vector2 pos;
    int val = 10000;
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= m; j++)
        {
            if (mapJ[i][j] == mapR[i][j] && mapJ[i][j] != -1 && mapJ[i][j] != 0)
            {
                if (mapJ[i][j] < val)
                {
                    val = mapJ[i][j];
                    pos.row = i;
                    pos.col = j;
                }
            }
        }
    }
    return pos;
}



int main()
{
    int n, m;
    fin >> n >> m;

    Vector2 rm;
    Vector2 jl;

    fin.get();
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= m + 1; j++)
        {
            char x;
            x = fin.get();

            if (x == '\n')
            {
                break;
            }
            if (x == 'X')
            {
                mapR[i][j] = -1;
                mapJ[i][j] = -1;
            }
            if (x == 'R')
            {
                rm.row = i;
                rm.col = j;
            }
            if (x == 'J')
            {
                jl.row = i;
                jl.col = j;
            }
        }
    }


    v.push(rm);
    mapR[rm.row][rm.col] = 1;
    Lee(mapR, n, m, rm, jl);


    cout << '\n';

    v.push(jl);
    mapJ[jl.row][jl.col] = 1;
    Lee(mapJ, n, m, jl, rm);


    Vector2 pos = checkPos(n, m);
    fout << mapR[pos.row][pos.col] << ' ' << pos.row << ' ' << pos.col;


    return 0;
}