#include <bits/stdc++.h>
using namespace std;
int x,y,x2,y2,dist,nr,sensx,sensy,val,i;
int main()
{
cin>> x2 >> y2;
cin>> x >> y;
cin>>nr;
dist=abs(x-x2)+abs(y-y2);
if (dist>nr)
{
cout<<"impossible";
return 0;
}
if (dist==nr)
{
cout<<"0";
return 0;
}
if (dist==1)
{
cout<<"impossible";
cout<<"0";
}
if ((nr-dist)%2==1)
{
cout<<"impossible";
return 0;
}
if (x!=x2&&y!=y2)
{
if (x<x2)
{
sensx=-1;
}
else
{
sensx=1;
}
if (y<y2)
{
sensy=-1;
}
else
{
sensy=1;
}
val=(nr-dist)/2;
cout<<val*2<<'\n';
for (i=1;i<=val;i++)
{
cout<<x2+sensx*i<<" "<<y2<<'\n';
cout<<x2<<" "<<y2+sensy*i<<'\n';
}
}
else
if (y==y2)
{
if (x<x2)
{
sensx=-1;
}
else
{
sensx=1;
}
val=(nr-dist)/2;
cout<<2*(val-1)+1<<'\n';
cout<<x2+sensx<<" "<<y<<'\n';
for (i=2;i<=val;i++)
{
cout<<x2+sensx<<" "<<y-i+1<<'\n';
cout<<x2+sensx<<" "<<y+i-1<<'\n';
}
}
else
if (x==x2)
{
if (y<y2)
{
sensy=-1;
}
else
{
sensy=1;
}
val=(nr-dist)/2;
cout<<2*(val-1)+1<<'\n';
cout<<x2<<" "<<y+sensy<<'\n';
for (i=2;i<=val;i++)
{
cout<<x2-i+1<<" "<<y+sensy<<'\n';
cout<<x2+i-1<<" "<<y+sensy<<'\n';
}
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
1 ms |
256 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
256 KB |
Output is correct |
4 |
Correct |
1 ms |
256 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
0 ms |
256 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
0 ms |
256 KB |
Output is correct |
10 |
Correct |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
0 ms |
256 KB |
Output is correct |
13 |
Correct |
1 ms |
256 KB |
Output is correct |
14 |
Incorrect |
1 ms |
256 KB |
Expected but did not find "impossible". |
15 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
1 ms |
256 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
0 ms |
256 KB |
Output is correct |
10 |
Correct |
1 ms |
256 KB |
Output is correct |
11 |
Correct |
1 ms |
256 KB |
Output is correct |
12 |
Correct |
0 ms |
256 KB |
Output is correct |
13 |
Correct |
0 ms |
256 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
0 ms |
256 KB |
Output is correct |
17 |
Correct |
0 ms |
256 KB |
Output is correct |
18 |
Correct |
0 ms |
256 KB |
Output is correct |
19 |
Correct |
0 ms |
256 KB |
Output is correct |
20 |
Correct |
1 ms |
256 KB |
Output is correct |
21 |
Incorrect |
1 ms |
256 KB |
Expected but did not find "impossible". |
22 |
Halted |
0 ms |
0 KB |
- |