#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> ii;
typedef pair<ld,ld> id;
#define FOR(i, a, b) for(int i=(a); i<=(b); i++)
#define ROF(i, a, b) for(int i=(a); i>=(b); i--)
#define MEM(x, v) memset(x, v, sizeof(x))
#define FILL(x, n, v) fill(x, x+n, v);
#define ALL(x) x.begin(), x.end()
#define SORT(x) sort((x).begin(), (x).end())
#define CMPSORT(x, cp) sort((x).begin(), (x).end(), cp)
#define FAST ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define f first
#define s second
#define ins insert
#define e emplace
#define eb emplace_back
#define ef emplace_front
#define p push
#define pf push_front
#define pb push_back
#define mp make_pair
#define ub upper_bound
#define lb lower_bound
#define ft front
#define bk back
#define pp pop
#define ppb pop_back
#define ppf pop_front
#define db cout<<"YEET\n";
#define ct(x) cout<<x<<'\n';
const ll MOD = 1e9+7; //998244353
const ll MAXN = 2e5+5;
const ll INF = 1e18;
const ld PI = acos((ld)-1);
int main(){
FAST
ll sx, sy, ex, ey;
cin >> sx >> sy >> ex >> ey;
ll d;
cin >> d;
ll dist = abs(ey-sy) + abs(ex-sx);
bool left;
if (sx <= ex) left=1;
else left=0;
vector<ii> ans;
if (dist > d || (d-dist)&1){
cout << "impossible";
return 0;
} else if (abs(ex-sx)==1 && abs(ey-sy)==1) {
if (d<=5 && d>=3){
cout << "impossible";
return 0;
} else if (d!=2) {
ll border = (d-dist)/2;
if (left) {
ans.eb(sx+1,sy);
ans.eb(sx,sy+1);
ans.eb(sx,sy-1);
FOR(i,1,border){
ans.eb(sx-i,sy+1);
ans.eb(sx-i,sy-1);
}
} else {
ans.eb(sx-1,sy);
ans.eb(sx,sy+1);
ans.eb(sx,sy-1);
FOR(i,1,border){
ans.eb(sx+i,sy+1);
ans.eb(sx+i,sy-1);
}
}
}
} else if (dist==1){
if (d!=1) {
cout << "impossible";
return 0;
}
} else if (abs(ey-sy)<=1){
ll border = (d-dist)/2 - 1;
if (border!=-1){
if (left){
ans.eb(sx+1,sy);
FOR(i,1,border){
ans.eb(sx+1,sy+i);
ans.eb(sx+1,sy-i);
}
if (abs(ey-sy)==1) {
ans.eb(sx+1,sy+border+1);
ans.eb(sx+1,sy-border-1);
}
} else {
ans.eb(sx-1,sy);
FOR(i,1,border){
ans.eb(sx-1,sy+i);
ans.eb(sx-1,sy-i);
}
if (abs(ey-sy)==1) {
ans.eb(sx-1,sy+border+1);
ans.eb(sx-1,sy-border-1);
}
}
}
} else {
ll backtrack = (d-dist)/2;
if (left){
ans.eb(sx+1,sy-1);
ans.eb(sx+1,sy);
ans.eb(sx+1,sy+1);
FOR(i,1,backtrack){
ans.eb(sx-i+1, sy+1);
ans.eb(sx-i+1, sy-1);
}
} else {
ans.eb(sx-1,sy-1);
ans.eb(sx-1,sy);
ans.eb(sx-1,sy+1);
FOR(i,1,backtrack){
ans.eb(sx+i-1, sy+1);
ans.eb(sx+i-1, sy-1);
}
}
}
cout << ans.size() << '\n';
for (auto i : ans){
cout << i.f << " " << i.s << '\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
10 ms |
384 KB |
Output is correct |
3 |
Correct |
4 ms |
384 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
4 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
4 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
4 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
4 ms |
256 KB |
Output is correct |
15 |
Correct |
4 ms |
384 KB |
Output is correct |
16 |
Correct |
4 ms |
384 KB |
Output is correct |
17 |
Correct |
4 ms |
384 KB |
Output is correct |
18 |
Correct |
4 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
21 |
Correct |
4 ms |
384 KB |
Output is correct |
22 |
Correct |
4 ms |
384 KB |
Output is correct |
23 |
Correct |
4 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
5 ms |
384 KB |
Output is correct |
26 |
Correct |
4 ms |
384 KB |
Output is correct |
27 |
Correct |
5 ms |
384 KB |
Output is correct |
28 |
Correct |
4 ms |
384 KB |
Output is correct |
29 |
Correct |
5 ms |
384 KB |
Output is correct |
30 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
10 ms |
384 KB |
Output is correct |
3 |
Correct |
4 ms |
384 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
5 ms |
384 KB |
Output is correct |
8 |
Correct |
4 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
4 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
4 ms |
384 KB |
Output is correct |
15 |
Correct |
4 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
4 ms |
384 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
4 ms |
384 KB |
Output is correct |
21 |
Correct |
4 ms |
256 KB |
Output is correct |
22 |
Correct |
4 ms |
384 KB |
Output is correct |
23 |
Correct |
4 ms |
384 KB |
Output is correct |
24 |
Correct |
4 ms |
384 KB |
Output is correct |
25 |
Correct |
4 ms |
384 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
27 |
Correct |
5 ms |
384 KB |
Output is correct |
28 |
Correct |
4 ms |
384 KB |
Output is correct |
29 |
Correct |
4 ms |
384 KB |
Output is correct |
30 |
Correct |
4 ms |
384 KB |
Output is correct |
31 |
Correct |
5 ms |
384 KB |
Output is correct |
32 |
Correct |
5 ms |
384 KB |
Output is correct |
33 |
Correct |
4 ms |
384 KB |
Output is correct |
34 |
Correct |
5 ms |
384 KB |
Output is correct |
35 |
Correct |
4 ms |
384 KB |
Output is correct |
36 |
Correct |
5 ms |
384 KB |
Output is correct |
37 |
Correct |
5 ms |
384 KB |
Output is correct |
38 |
Correct |
5 ms |
384 KB |
Output is correct |
39 |
Correct |
5 ms |
384 KB |
Output is correct |
40 |
Correct |
4 ms |
384 KB |
Output is correct |
41 |
Correct |
4 ms |
384 KB |
Output is correct |
42 |
Correct |
5 ms |
384 KB |
Output is correct |
43 |
Correct |
5 ms |
384 KB |
Output is correct |
44 |
Correct |
4 ms |
384 KB |
Output is correct |
45 |
Correct |
4 ms |
384 KB |
Output is correct |
46 |
Correct |
4 ms |
384 KB |
Output is correct |
47 |
Correct |
4 ms |
384 KB |
Output is correct |
48 |
Correct |
5 ms |
384 KB |
Output is correct |
49 |
Correct |
4 ms |
384 KB |
Output is correct |
50 |
Correct |
5 ms |
384 KB |
Output is correct |
51 |
Correct |
5 ms |
384 KB |
Output is correct |
52 |
Correct |
4 ms |
384 KB |
Output is correct |
53 |
Correct |
4 ms |
384 KB |
Output is correct |
54 |
Correct |
4 ms |
384 KB |
Output is correct |
55 |
Correct |
5 ms |
384 KB |
Output is correct |
56 |
Correct |
4 ms |
384 KB |
Output is correct |
57 |
Correct |
5 ms |
384 KB |
Output is correct |
58 |
Correct |
4 ms |
384 KB |
Output is correct |
59 |
Correct |
4 ms |
384 KB |
Output is correct |
60 |
Correct |
4 ms |
384 KB |
Output is correct |
61 |
Correct |
5 ms |
384 KB |
Output is correct |
62 |
Correct |
4 ms |
384 KB |
Output is correct |
63 |
Correct |
4 ms |
384 KB |
Output is correct |
64 |
Correct |
4 ms |
384 KB |
Output is correct |
65 |
Correct |
4 ms |
384 KB |
Output is correct |
66 |
Correct |
5 ms |
384 KB |
Output is correct |
67 |
Correct |
4 ms |
384 KB |
Output is correct |
68 |
Correct |
5 ms |
384 KB |
Output is correct |
69 |
Correct |
5 ms |
384 KB |
Output is correct |
70 |
Correct |
4 ms |
384 KB |
Output is correct |
71 |
Correct |
5 ms |
384 KB |
Output is correct |
72 |
Correct |
5 ms |
384 KB |
Output is correct |
73 |
Correct |
4 ms |
384 KB |
Output is correct |
74 |
Correct |
4 ms |
384 KB |
Output is correct |
75 |
Correct |
5 ms |
256 KB |
Output is correct |
76 |
Correct |
4 ms |
384 KB |
Output is correct |
77 |
Correct |
5 ms |
384 KB |
Output is correct |
78 |
Correct |
4 ms |
384 KB |
Output is correct |
79 |
Correct |
5 ms |
384 KB |
Output is correct |
80 |
Correct |
4 ms |
384 KB |
Output is correct |
81 |
Correct |
4 ms |
384 KB |
Output is correct |
82 |
Correct |
5 ms |
384 KB |
Output is correct |
83 |
Correct |
5 ms |
384 KB |
Output is correct |
84 |
Correct |
4 ms |
384 KB |
Output is correct |
85 |
Correct |
5 ms |
384 KB |
Output is correct |
86 |
Correct |
5 ms |
384 KB |
Output is correct |
87 |
Correct |
4 ms |
384 KB |
Output is correct |
88 |
Correct |
4 ms |
384 KB |
Output is correct |
89 |
Correct |
4 ms |
384 KB |
Output is correct |
90 |
Correct |
4 ms |
384 KB |
Output is correct |
91 |
Correct |
5 ms |
384 KB |
Output is correct |
92 |
Correct |
5 ms |
384 KB |
Output is correct |
93 |
Correct |
5 ms |
384 KB |
Output is correct |
94 |
Correct |
4 ms |
384 KB |
Output is correct |
95 |
Correct |
5 ms |
384 KB |
Output is correct |
96 |
Correct |
4 ms |
384 KB |
Output is correct |
97 |
Correct |
5 ms |
384 KB |
Output is correct |
98 |
Correct |
4 ms |
384 KB |
Output is correct |
99 |
Correct |
4 ms |
384 KB |
Output is correct |
100 |
Correct |
4 ms |
384 KB |
Output is correct |
101 |
Correct |
5 ms |
384 KB |
Output is correct |
102 |
Correct |
5 ms |
384 KB |
Output is correct |
103 |
Correct |
4 ms |
384 KB |
Output is correct |
104 |
Correct |
5 ms |
384 KB |
Output is correct |
105 |
Correct |
4 ms |
256 KB |
Output is correct |
106 |
Correct |
4 ms |
384 KB |
Output is correct |
107 |
Correct |
4 ms |
384 KB |
Output is correct |
108 |
Correct |
4 ms |
384 KB |
Output is correct |
109 |
Correct |
4 ms |
384 KB |
Output is correct |
110 |
Correct |
4 ms |
384 KB |
Output is correct |
111 |
Correct |
4 ms |
384 KB |
Output is correct |
112 |
Correct |
4 ms |
384 KB |
Output is correct |
113 |
Correct |
4 ms |
384 KB |
Output is correct |
114 |
Correct |
5 ms |
384 KB |
Output is correct |
115 |
Correct |
4 ms |
384 KB |
Output is correct |
116 |
Correct |
5 ms |
384 KB |
Output is correct |
117 |
Correct |
4 ms |
384 KB |
Output is correct |
118 |
Correct |
5 ms |
384 KB |
Output is correct |
119 |
Correct |
4 ms |
384 KB |
Output is correct |
120 |
Correct |
4 ms |
384 KB |
Output is correct |
121 |
Correct |
4 ms |
384 KB |
Output is correct |
122 |
Correct |
4 ms |
384 KB |
Output is correct |
123 |
Correct |
4 ms |
384 KB |
Output is correct |
124 |
Correct |
5 ms |
384 KB |
Output is correct |
125 |
Correct |
4 ms |
384 KB |
Output is correct |
126 |
Correct |
5 ms |
384 KB |
Output is correct |
127 |
Correct |
4 ms |
384 KB |
Output is correct |
128 |
Correct |
5 ms |
384 KB |
Output is correct |
129 |
Correct |
4 ms |
384 KB |
Output is correct |
130 |
Incorrect |
4 ms |
384 KB |
Distance from entrance to home is not d. |
131 |
Halted |
0 ms |
0 KB |
- |