Cod sursa(job #2453089)

Utilizator pregoliStana Andrei pregoli Data 2 septembrie 2019 14:15:40
Problema Rj Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 2.44 kb
#include <bits/stdc++.h>
using namespace std;

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

#define MAXNM 105
const short dx[] = {-1,-1,0,1,1,1,0,-1};
const short dy[] = {0,1,1,1,0,-1,-1,-1};
const short dirN = 8;
int n, m, disr[MAXNM][MAXNM], disj[MAXNM][MAXNM], board[MAXNM][MAXNM];
queue < pair <int, int> > tail;
int disp, xj, yj, xr, yr;

void diplayarr(int mat[MAXNM][MAXNM])
{
    for (int i=1; i<=n; i++)
    {
        for (int j=1; j<=m; j++)
            cout<<mat[i][j];
        cout<<endl;
    }
}

void Read()
{

    char c[MAXNM];
    fin >> n >> m;
    fin.getline(c, MAXNM);
    for (int i = 1; i <= n; i++)
    {
        fin.getline(c, MAXNM);
        for (int j = 0; c[j]; j++)
        {
            switch (c[j])
            {
            case 'X':
                board[i][j + 1] = 1;
                break;
            case 'R':
                board[i][j + 1] = 2;
                xr = i;
                yr = j + 1;
                disr[i][j + 1] = 1;
                break;
            case 'J':
                board[i][j + 1] = 3;
                disj[i][j + 1] = 1;
                xj = i;
                yj = j + 1;
                break;
            }
        }
    }
    return;
}

inline bool isOk(int x, int y)
{
    if (x < 1 || y < 1 || x > n || y > m || board[x][y] == 1)
        return false;
    return true;
}

void Lee(int i, int j, int mat[MAXNM][MAXNM])
{
    tail.push(make_pair(i, j));
    int x, y, xNext, yNext;
    bool ok = true;
    while (!tail.empty() && ok)
    {
        x = tail.front().first;
        y = tail.front().second;
        tail.pop();
        for (int dir = 0; dir < dirN && ok; dir++)
        {
            xNext = x + dx[dir];
            yNext = y + dy[dir];
            if (isOk(xNext, yNext) && !mat[xNext][yNext])
            {
                mat[xNext][yNext] = mat[x][y] + 1;
                tail.push(make_pair(xNext, yNext));
            }
        }
    }
    return;
}

int main()
{
    int resx, resy, tmin = INT_MAX;
    Read();
    Lee(xr, yr, disr);
    Lee(xj, yj, disj);
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
            if (disr[i][j] == disj[i][j] && disr[i][j] && disr[i][j] < tmin)
            {
                tmin = disr[i][j];
                resx = i;
                resy = j;
            }
    fout <<tmin << ' ' << resx << ' ' << resy;
    //*/
    return 0;
}