Cod sursa(job #355753)

Utilizator chrissBota Cristian chriss Data 12 octombrie 2009 08:04:15
Problema Rj Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.95 kb
#include <stdio.h>

int n,m,i,k,cs,ci,e,f,loc,ln,cn,r[102][102],j[102][102];
int dx[] = { -1, 0, 1, 0, -1, 1,  1, -1 };
int dy[] = {  0, 1, 0,-1,  1, 1, -1, -1 };
char c[101];
struct romeo {int lin; int col; int d;};
romeo rom[10005];
struct julieta {int lin; int col; int d;};
julieta jul[10005];

int main()
{
    freopen("rj.in","r",stdin);
    freopen("rj.out","w",stdout);

    scanf("%d %d",&n,&m);

    gets(c);

    for (i=1; i<=n; ++i)
    {   gets(c);
        for(k=1; k<=m; k++)
        {

            if(c[k-1]=='X')
            {
                r[i][k]=-1;
                j[i][k]=-1;
            }
            if(c[k-1]=='R')
            {
                rom[0].lin=i;
                rom[0].col=k;
                rom[0].d=1;
                r[i][k]=1;
            }
            if(c[k-1]=='J')
            {
                jul[0].lin=i;
                jul[0].col=k;
                jul[0].d=1;
                j[i][k]=1;
            }
        }
    }
    for(i=0; i<=n+1; ++i)
		for(k=0; k<=m+1; ++k)

			if((i==0)||(i==n+1)||(k==0)||(k==m+1)) r[i][k]=j[i][k]=-1;

    while(cs<=ci)
	{
		for(k=0;k<8;k++)
		{
			ln=rom[cs].lin+dx[k];
			cn=rom[cs].col+dy[k];

			if(r[ln][cn]==0)
			{
				ci++;
				rom[ci].lin = ln;
				rom[ci].col = cn;
				rom[ci].d = rom[cs].d+1;
				r[ln][cn]=rom[ci].d;
			}
		}
		cs++;
	}
	cs=0;
    ci=0;
	while(cs<=ci)
	{
		for(k=0;k<8;k++)
		{
			ln=jul[cs].lin+dx[k];
			cn=jul[cs].col+dy[k];

			if(j[ln][cn]==0)
			{
				ci++;
				jul[ci].lin = ln;
				jul[ci].col = cn;
				jul[ci].d = jul[cs].d+1;
				j[ln][cn]=jul[ci].d;
			}
		}
		cs++;
	}
	loc=10001;
	for(i=1; i<=n; ++i)
	    for(k=1; k<=m; ++k)
	        if((r[i][k]!=0)&&(j[i][k]!=0)&&(r[i][k]!=-1)&&(j[i][k]!=-1)&&(r[i][k]==j[i][k])&&(r[i][k]<loc))
	        {
         	    loc=r[i][k];
                e=i;
                f=k;
            }
	printf("%d %d %d",loc,e,f);
}