Cod sursa(job #1372893)
Utilizator | Data | 4 martie 2015 15:43:54 | |
---|---|---|---|
Problema | Rj | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 6.74 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()
{
int i,j,m,n,a[100][100],c[4],xx,yy,sem;
char b[100];
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]==' ') a[i][j]=0;
if(b[j]=='R') {a[i][j]=-1;c[1]=i;c[2]=j+1;}
if(b[j]=='J') {a[i][j]=-1;c[3]=i;c[4]=j+1;}
if(b[j]=='X') a[i][j]=-2;}
}
ox.push(c[1]);
oy.push(c[2]);
xx=c[1];
yy=c[2];
while(xx!=c[3] || yy!=c[4]){
xx=ox.front();
yy=oy.front();
sem=1;
while(sem!=0){
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);
break;
}
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);
break;
}
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);
break;
}
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);
break;
}
sem=0;
}
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();
}
int min=320;
if(a[c[3]][c[4]-2]>0 && a[c[3]][c[4]-2]<min)min=a[c[3]][c[4]-2]; //stanga
if(a[c[3]][c[4]]>0 &&a[c[3]][c[4]]<min)min=a[c[3]][c[4]]; //dr
if(a[c[3]-1][c[4]-1]>0 &&a[c[3]-1][c[4]-1]<min)min=a[c[3]-1][c[4]-1]; //sus
if(a[c[3]+1][c[4]-1]>0 &&a[c[3]+1][c[4]-1]<min)min=a[c[3]+1][c[4]-1]; //jos
if(a[c[3]-1][c[4]-2]>0 &&a[c[3]-1][c[4]-2]<min)min=a[c[3]-1][c[4]-2]; //stg sus
if(a[c[3]-1][c[4]]>0 &&a[c[3]-1][c[4]]<min)min=a[c[3]-1][c[4]]; //dr sus
if(a[c[3]+1][c[4]-2]>0 &&a[c[3]+1][c[4]-2]<min)min=a[c[3]+1][c[4]-2]; //stg jos
if(a[c[3]+1][c[4]]>0 &&a[c[3]+1][c[4]]<min)min=a[c[3]+1][c[4]]; //dr jos
for(i=1;i<=l;i++) for(j=0;j<m;j++) if(a[i][j]==(min+3)/2)g<<(min+3)/2<<" "<<i-1<<" "<<j+1;
// for(i=1;i<=l;i++) {for(j=0;j<m;j++) g<<a[i][j]<<" ";g<<endl;}
}