Cod sursa(job #2195740)

Utilizator razvanradulescuRadulescu Razvan razvanradulescu Data 17 aprilie 2018 12:04:45
Problema Rj Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 2.92 kb
#include <iostream>
#include <cstdio>
#include <queue>
#include <algorithm>
using namespace std;

queue<pair<int, int>> Q;
const int vi[8] = {-1, -1, -1, 0, 0, 1, 1, 1}, vj[8] = {-1, 0, 1, -1, 1, -1, 0, 1};
int n, m;
int Rsi, Rsj, Jsi, Jsj;
int R[105][105], J[105][105];

void lee(int a[105][105], int si, int sj)
{
    a[si][sj] = 1;
    Q.push({si, sj});
    int i, j;
    while(!Q.empty())
    {
        i = Q.front().first;
        j = Q.front().second;
        Q.pop();
        for(int v = 0; v<8; v++)
        {
            int iv = vi[v]+i;
            int jv = vj[v]+j;
            if(a[iv][jv] == 0)
            {
                a[iv][jv] = a[i][j]+1;
                Q.push({iv, jv});
            }
        }
    }
}

void rez()
{
    for(int i = 0; i<=n+1; i++)
    {
        R[i][0] = -1;
        J[i][0] = -1;
        R[i][m+1] = -1;
        J[i][m+1] = -1;
    }
    for(int i = 0; i<=m+1; i++)
    {
        R[0][i] = -1;
        J[0][i] = -1;
        R[n+1][i] = -1;
        J[n+1][i] = -1;
    }
    char s[105], c;
    for(int i = 1; i<=n; i++)
    {
        gets(s+1);
        for(int j = 1; j<=m; j++)
        {
            c = s[j];
            if(c == 'X')
            {
                R[i][j] = -1;
                J[i][j] = -1;
            }
            else if(c == 'R')
            {
                Rsi = i;
                Rsj = j;
            }
            else if(c == 'J')
            {
                Jsi = i;
                Jsj = j;
            }
        }
        scanf("\n");
    }
    lee(R, Rsi, Rsj);
    lee(J, Jsi, Jsj);
    int pozi, pozj, dif = 1000000, minim = 1000000;
    for(int i = 1; i<=n; i++)
    {
        for(int j = 1; j<=m; j++)
        {
            printf("%d ", R[i][j]);
        }
        printf("\n");
    }
    printf("\n");
    for(int i = 1; i<=n; i++)
    {
        for(int j = 1; j<=m; j++)
        {
            printf("%d ", J[i][j]);
        }
        printf("\n");
    }
    for(int i = 1; i<=n; i++)
    {
        for(int j = 1; j<=m; j++)
        {
            if(R[i][j] != 0 && R[i][j] != -1)
            {
                if(dif>abs(R[i][j] - J[i][j]))
                {
                    minim = max(R[i][j], J[i][j]);
                    pozi = i;
                    pozj = j;
                    dif = abs(R[i][j] - J[i][j]);
                }
                else if(dif == abs(R[i][j] - J[i][j]))
                {
                    if(minim > max(R[i][j], J[i][j]))
                    {
                        minim = max(R[i][j], J[i][j]);
                        pozi = i;
                        pozj = j;
                    }
                }
            }
        }
    }
    printf("%d %d %d", minim-1, pozi, pozj);
}

int main()
{
    freopen("rj.in", "r", stdin);
    freopen("rj.out", "w", stdout);
    scanf("%d %d\n", &n, &m);
    rez();
    return 0;
}