Cod sursa(job #1378955)
Utilizator | Data | 6 martie 2015 15:16:44 | |
---|---|---|---|
Problema | Rj | Scor | 50 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 8.48 kb |
#include<iostream>
#include<fstream>
#include<string.h>
#include<queue>
using namespace std;
ifstream f("rj.in");
ofstream g("rj.out");
queue<int>ox;
queue<int>oy;
int main()
{
char b[100];
int a[100][100],d[100][100],c[4],i,j,n,m,xx,yy,x1,x2,y1,y2,cx,cy;
f>>n>>m;
f.get();
int l=n;
for(i=1;i<=l;i++){
f.get(b,100);
f.get();
for(j=0;j<strlen(b);j++){
if(b[j]==' ') d[i][j+1]=a[i][j+1]=0;
if(b[j]=='R') {x1=i;y1=j+1;}
if(b[j]=='J') {x2=i;y2=j+1;}
if(b[j]=='X') d[i][j+1]=a[i][j+1]=-1;
}
}
i=0;for(j=0;j<=m+1;j++) d[i][j]=a[i][j]=-1;
i=n+1;for(j=0;j<=m+1;j++) d[i][j]=a[i][j]=-1;
i=0;for(j=0;j<=n+1;j++) d[j][i]=a[j][i]=-1;
i=m+1;for(j=0;j<=n+1;j++) d[j][i]=a[j][i]=-1;
ox.push(x1);
oy.push(y1);
while(ox.empty()!=true){
xx=ox.front();
yy=oy.front();
if(a[xx-1][yy-1]==0 || a[xx-1][yy-1]>a[xx][yy]+1){
a[xx-1][yy-1]=a[xx][yy]+1;
ox.push(xx-1);
oy.push(yy-1);
}
if(a[xx-1][yy+1]==0 || a[xx-1][yy+1]>a[xx][yy]+1){
a[xx-1][yy+1]=a[xx][yy]+1;
ox.push(xx-1);
oy.push(yy+1);
}
if(a[xx+1][yy+1]==0 || a[xx+1][yy+1]>a[xx][yy]+1){
a[xx+1][yy+1]=a[xx][yy]+1;
ox.push(xx+1);
oy.push(yy+1);
}
if(a[xx+1][yy-1]==0 || a[xx+1][yy-1]>a[xx][yy]+1){
a[xx+1][yy-1]=a[xx][yy]+1;
ox.push(xx+1);
oy.push(yy-1);
}
if(a[xx-1][yy]==0 || a[xx-1][yy]>a[xx][yy]+1){
a[xx-1][yy]=a[xx][yy]+1;
ox.push(xx-1);
oy.push(yy);
}
if(a[xx+1][yy]==0 || a[xx+1][yy]>a[xx][yy]+1){
a[xx+1][yy]=a[xx][yy]+1;
ox.push(xx+1);
oy.push(yy);
}
if(a[xx][yy-1]==0 || a[xx][yy-1]>a[xx][yy]+1){
a[xx][yy-1]=a[xx][yy]+1;
ox.push(xx);
oy.push(yy-1);
}
if(a[xx][yy+1]==0 || a[xx][yy+1]>a[xx][yy]+1){
a[xx][yy+1]=a[xx][yy]+1;
ox.push(xx);
oy.push(yy+1);
}
ox.pop();
oy.pop();
}
ox.push(x2);
oy.push(y2);
while(ox.empty()!=true){
xx=ox.front();
yy=oy.front();
if(d[xx-1][yy-1]==0 || d[xx-1][yy-1]>d[xx][yy]+1){
d[xx-1][yy-1]=d[xx][yy]+1;
ox.push(xx-1);
oy.push(yy-1);
}
if(d[xx-1][yy+1]==0 || d[xx-1][yy+1]>d[xx][yy]+1){
d[xx-1][yy+1]=d[xx][yy]+1;
ox.push(xx-1);
oy.push(yy+1);
}
if(d[xx+1][yy+1]==0 || d[xx+1][yy+1]>d[xx][yy]+1){
d[xx+1][yy+1]=d[xx][yy]+1;
ox.push(xx+1);
oy.push(yy+1);
}
if(d[xx+1][yy-1]==0 || d[xx+1][yy-1]>d[xx][yy]+1){
d[xx+1][yy-1]=d[xx][yy]+1;
ox.push(xx+1);
oy.push(yy-1);
}
if(d[xx-1][yy]==0 || d[xx-1][yy]>d[xx][yy]+1){
d[xx-1][yy]=d[xx][yy]+1;
ox.push(xx-1);
oy.push(yy);
}
if(d[xx+1][yy]==0 || d[xx+1][yy]>d[xx][yy]+1){
d[xx+1][yy]=d[xx][yy]+1;
ox.push(xx+1);
oy.push(yy);
}
if(d[xx][yy-1]==0 || d[xx][yy-1]>d[xx][yy]+1){
d[xx][yy-1]=d[xx][yy]+1;
ox.push(xx);
oy.push(yy-1);
}
if(d[xx][yy+1]==0 || d[xx][yy+1]>d[xx][yy]+1){
d[xx][yy+1]=d[xx][yy]+1;
ox.push(xx);
oy.push(yy+1);
}
ox.pop();
oy.pop();
}
int min=3200;
for(i=1;i<=n;i++) for(j=1;j<=m;j++) if(a[i][j]==d[i][j] && a[i][j]>0 && a[i][j]+1<min) {min=a[i][j]+1;cx=i;cy=j;}
g<<min<<" "<<cx<<" "<<cy;
}