#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define int long long
#define endl "\n"
int mod=1e9+7;
const int N=2e5+5;
template<class x>
using ordered_multiset = tree<x, null_type,less_equal<x>, rb_tree_tag,tree_order_statistics_node_update>;
int n,t;
map<pair<int,int>,bool> mp;
map<pair<int,int>,bool> vis;
map<pair<int,int>,int> plc;
vector<pair<int,int> > v;
vector<pair<int,int> > vv;
int dx[8]={0,0,1,-1,1,-1,-1,1};
int dy[8]={1,-1,0,0,1,-1,1,-1};
signed main()
{
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
//freopen(".in", "r", stdin); freopen(".out", "w", stdout);
cin>>n>>t;
for (int i=0;i<n;i++) {
int x,y; cin>>x>>y;
mp[{x,y}]=true;
plc[{x,y}]=i+1;
v.push_back({x,y});
vv.push_back({y,x});
}
sort(v.begin(),v.end());
priority_queue<pair<int,int>,vector<pair<int,int> >,greater<pair<int,int> > > q;
int fx=v[0].first,fy=v[0].second;
int lx=v[n-1].first,ly=v[n-1].second;
vector<pair<int,pair<int,int> > >br;
for (auto i:v) {
if (i.first==fx && !vis[i]) {
br.push_back({plc[i],i});
}
if (i.second==fy && !vis[i]) {
br.push_back({plc[i],i});
}
if (i.first==lx && !vis[i]) {
br.push_back({plc[i],i});
}
if (i.second==ly && !vis[i]) {
br.push_back({plc[i],i});
}
}
sort(br.begin(),br.end());
q.push(br[0].second); vis[br[0].second]=true;
vector<int> ans;
while (!q.empty()) {
int x=q.top().first,y=q.top().second;
q.pop();
ans.push_back(plc[{x,y}]);
for (int i=0;i<8;i++) {
int xx=x+dx[i],yy=y+dy[i];
if (!vis[{xx,yy}] && mp[{xx,yy}]) {
q.push({xx,yy}); vis[{xx,yy}]=true;
}
}
}
for (auto i:v) {
if (!vis[i]) {
cout<<"NO"; return 0;
}
}
cout<<"YES"<<endl;
for (int i:ans) cout<<i<<endl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
ans=YES N=1 |
2 |
Correct |
0 ms |
212 KB |
ans=YES N=4 |
3 |
Correct |
0 ms |
212 KB |
ans=NO N=4 |
4 |
Correct |
0 ms |
212 KB |
ans=YES N=5 |
5 |
Correct |
0 ms |
212 KB |
ans=YES N=9 |
6 |
Correct |
0 ms |
212 KB |
ans=YES N=5 |
7 |
Correct |
0 ms |
212 KB |
ans=NO N=9 |
8 |
Correct |
0 ms |
212 KB |
ans=NO N=10 |
9 |
Correct |
0 ms |
212 KB |
ans=YES N=10 |
10 |
Correct |
0 ms |
212 KB |
ans=YES N=10 |
11 |
Correct |
0 ms |
212 KB |
ans=YES N=10 |
12 |
Correct |
0 ms |
212 KB |
ans=YES N=9 |
13 |
Correct |
0 ms |
212 KB |
ans=YES N=9 |
14 |
Correct |
0 ms |
212 KB |
ans=YES N=8 |
15 |
Correct |
1 ms |
212 KB |
ans=YES N=8 |
16 |
Correct |
0 ms |
212 KB |
ans=NO N=2 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
ans=YES N=1 |
2 |
Correct |
0 ms |
212 KB |
ans=YES N=4 |
3 |
Correct |
0 ms |
212 KB |
ans=NO N=4 |
4 |
Correct |
0 ms |
212 KB |
ans=YES N=5 |
5 |
Correct |
0 ms |
212 KB |
ans=YES N=9 |
6 |
Correct |
0 ms |
212 KB |
ans=YES N=5 |
7 |
Correct |
0 ms |
212 KB |
ans=NO N=9 |
8 |
Correct |
0 ms |
212 KB |
ans=NO N=10 |
9 |
Correct |
0 ms |
212 KB |
ans=YES N=10 |
10 |
Correct |
0 ms |
212 KB |
ans=YES N=10 |
11 |
Correct |
0 ms |
212 KB |
ans=YES N=10 |
12 |
Correct |
0 ms |
212 KB |
ans=YES N=9 |
13 |
Correct |
0 ms |
212 KB |
ans=YES N=9 |
14 |
Correct |
0 ms |
212 KB |
ans=YES N=8 |
15 |
Correct |
1 ms |
212 KB |
ans=YES N=8 |
16 |
Correct |
0 ms |
212 KB |
ans=NO N=2 |
17 |
Correct |
1 ms |
212 KB |
ans=YES N=17 |
18 |
Correct |
0 ms |
212 KB |
ans=YES N=25 |
19 |
Correct |
1 ms |
340 KB |
ans=YES N=100 |
20 |
Correct |
1 ms |
340 KB |
ans=YES N=185 |
21 |
Correct |
0 ms |
340 KB |
ans=NO N=174 |
22 |
Correct |
1 ms |
340 KB |
ans=YES N=90 |
23 |
Correct |
1 ms |
340 KB |
ans=YES N=63 |
24 |
Correct |
1 ms |
340 KB |
ans=YES N=87 |
25 |
Correct |
1 ms |
340 KB |
ans=YES N=183 |
26 |
Correct |
1 ms |
340 KB |
ans=YES N=188 |
27 |
Correct |
1 ms |
340 KB |
ans=YES N=183 |
28 |
Correct |
1 ms |
340 KB |
ans=YES N=189 |
29 |
Correct |
1 ms |
340 KB |
ans=YES N=200 |
30 |
Correct |
1 ms |
340 KB |
ans=YES N=190 |
31 |
Correct |
1 ms |
340 KB |
ans=YES N=187 |
32 |
Correct |
1 ms |
340 KB |
ans=YES N=187 |
33 |
Correct |
1 ms |
340 KB |
ans=YES N=182 |
34 |
Correct |
1 ms |
340 KB |
ans=YES N=184 |
35 |
Correct |
1 ms |
340 KB |
ans=YES N=188 |
36 |
Correct |
1 ms |
340 KB |
ans=YES N=181 |
37 |
Correct |
1 ms |
340 KB |
ans=YES N=188 |
38 |
Correct |
1 ms |
340 KB |
ans=YES N=191 |
39 |
Correct |
1 ms |
340 KB |
ans=YES N=196 |
40 |
Correct |
1 ms |
340 KB |
ans=YES N=196 |
41 |
Correct |
1 ms |
340 KB |
ans=YES N=196 |
42 |
Correct |
1 ms |
340 KB |
ans=YES N=196 |
43 |
Correct |
1 ms |
340 KB |
ans=YES N=195 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
ans=YES N=1 |
2 |
Correct |
0 ms |
212 KB |
ans=YES N=4 |
3 |
Correct |
0 ms |
212 KB |
ans=NO N=4 |
4 |
Correct |
0 ms |
212 KB |
ans=YES N=5 |
5 |
Correct |
0 ms |
212 KB |
ans=YES N=9 |
6 |
Correct |
0 ms |
212 KB |
ans=YES N=5 |
7 |
Correct |
0 ms |
212 KB |
ans=NO N=9 |
8 |
Correct |
0 ms |
212 KB |
ans=NO N=10 |
9 |
Correct |
0 ms |
212 KB |
ans=YES N=10 |
10 |
Correct |
0 ms |
212 KB |
ans=YES N=10 |
11 |
Correct |
0 ms |
212 KB |
ans=YES N=10 |
12 |
Correct |
0 ms |
212 KB |
ans=YES N=9 |
13 |
Correct |
0 ms |
212 KB |
ans=YES N=9 |
14 |
Correct |
0 ms |
212 KB |
ans=YES N=8 |
15 |
Correct |
1 ms |
212 KB |
ans=YES N=8 |
16 |
Correct |
0 ms |
212 KB |
ans=NO N=2 |
17 |
Correct |
1 ms |
212 KB |
ans=YES N=17 |
18 |
Correct |
0 ms |
212 KB |
ans=YES N=25 |
19 |
Correct |
1 ms |
340 KB |
ans=YES N=100 |
20 |
Correct |
1 ms |
340 KB |
ans=YES N=185 |
21 |
Correct |
0 ms |
340 KB |
ans=NO N=174 |
22 |
Correct |
1 ms |
340 KB |
ans=YES N=90 |
23 |
Correct |
1 ms |
340 KB |
ans=YES N=63 |
24 |
Correct |
1 ms |
340 KB |
ans=YES N=87 |
25 |
Correct |
1 ms |
340 KB |
ans=YES N=183 |
26 |
Correct |
1 ms |
340 KB |
ans=YES N=188 |
27 |
Correct |
1 ms |
340 KB |
ans=YES N=183 |
28 |
Correct |
1 ms |
340 KB |
ans=YES N=189 |
29 |
Correct |
1 ms |
340 KB |
ans=YES N=200 |
30 |
Correct |
1 ms |
340 KB |
ans=YES N=190 |
31 |
Correct |
1 ms |
340 KB |
ans=YES N=187 |
32 |
Correct |
1 ms |
340 KB |
ans=YES N=187 |
33 |
Correct |
1 ms |
340 KB |
ans=YES N=182 |
34 |
Correct |
1 ms |
340 KB |
ans=YES N=184 |
35 |
Correct |
1 ms |
340 KB |
ans=YES N=188 |
36 |
Correct |
1 ms |
340 KB |
ans=YES N=181 |
37 |
Correct |
1 ms |
340 KB |
ans=YES N=188 |
38 |
Correct |
1 ms |
340 KB |
ans=YES N=191 |
39 |
Correct |
1 ms |
340 KB |
ans=YES N=196 |
40 |
Correct |
1 ms |
340 KB |
ans=YES N=196 |
41 |
Correct |
1 ms |
340 KB |
ans=YES N=196 |
42 |
Correct |
1 ms |
340 KB |
ans=YES N=196 |
43 |
Correct |
1 ms |
340 KB |
ans=YES N=195 |
44 |
Correct |
2 ms |
596 KB |
ans=NO N=1934 |
45 |
Correct |
2 ms |
596 KB |
ans=NO N=1965 |
46 |
Correct |
4 ms |
724 KB |
ans=YES N=1824 |
47 |
Correct |
4 ms |
852 KB |
ans=YES N=1981 |
48 |
Correct |
4 ms |
724 KB |
ans=YES N=1814 |
49 |
Correct |
4 ms |
852 KB |
ans=YES N=1854 |
50 |
Correct |
4 ms |
724 KB |
ans=YES N=1831 |
51 |
Correct |
4 ms |
852 KB |
ans=YES N=2000 |
52 |
Correct |
5 ms |
940 KB |
ans=YES N=1847 |
53 |
Correct |
5 ms |
980 KB |
ans=YES N=1819 |
54 |
Correct |
4 ms |
724 KB |
ans=YES N=1986 |
55 |
Correct |
6 ms |
1108 KB |
ans=YES N=2000 |
56 |
Correct |
5 ms |
1236 KB |
ans=YES N=1834 |
57 |
Correct |
6 ms |
1240 KB |
ans=YES N=1860 |
58 |
Correct |
6 ms |
1236 KB |
ans=YES N=1898 |
59 |
Correct |
5 ms |
1108 KB |
ans=YES N=1832 |
60 |
Correct |
7 ms |
1492 KB |
ans=YES N=1929 |
61 |
Correct |
5 ms |
852 KB |
ans=YES N=1919 |
62 |
Correct |
5 ms |
1108 KB |
ans=YES N=1882 |
63 |
Correct |
6 ms |
1492 KB |
ans=YES N=1922 |
64 |
Correct |
4 ms |
980 KB |
ans=YES N=1989 |
65 |
Correct |
5 ms |
1108 KB |
ans=YES N=1978 |
66 |
Correct |
5 ms |
1236 KB |
ans=YES N=1867 |
67 |
Correct |
5 ms |
1108 KB |
ans=YES N=1942 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
596 KB |
ans=NO N=1934 |
2 |
Correct |
2 ms |
520 KB |
ans=NO N=1965 |
3 |
Incorrect |
3 ms |
724 KB |
Contestant's solution is not lexicographically largest at index 1824 (1813 vs 1702) |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
ans=YES N=1 |
2 |
Correct |
0 ms |
212 KB |
ans=YES N=4 |
3 |
Correct |
0 ms |
212 KB |
ans=NO N=4 |
4 |
Correct |
0 ms |
212 KB |
ans=YES N=5 |
5 |
Correct |
0 ms |
212 KB |
ans=YES N=9 |
6 |
Correct |
0 ms |
212 KB |
ans=YES N=5 |
7 |
Correct |
0 ms |
212 KB |
ans=NO N=9 |
8 |
Correct |
0 ms |
212 KB |
ans=NO N=10 |
9 |
Correct |
0 ms |
212 KB |
ans=YES N=10 |
10 |
Correct |
0 ms |
212 KB |
ans=YES N=10 |
11 |
Correct |
0 ms |
212 KB |
ans=YES N=10 |
12 |
Correct |
0 ms |
212 KB |
ans=YES N=9 |
13 |
Correct |
0 ms |
212 KB |
ans=YES N=9 |
14 |
Correct |
0 ms |
212 KB |
ans=YES N=8 |
15 |
Correct |
1 ms |
212 KB |
ans=YES N=8 |
16 |
Correct |
0 ms |
212 KB |
ans=NO N=2 |
17 |
Correct |
1 ms |
212 KB |
ans=YES N=17 |
18 |
Correct |
0 ms |
212 KB |
ans=YES N=25 |
19 |
Correct |
1 ms |
340 KB |
ans=YES N=100 |
20 |
Correct |
1 ms |
340 KB |
ans=YES N=185 |
21 |
Correct |
0 ms |
340 KB |
ans=NO N=174 |
22 |
Correct |
1 ms |
340 KB |
ans=YES N=90 |
23 |
Correct |
1 ms |
340 KB |
ans=YES N=63 |
24 |
Correct |
1 ms |
340 KB |
ans=YES N=87 |
25 |
Correct |
1 ms |
340 KB |
ans=YES N=183 |
26 |
Correct |
1 ms |
340 KB |
ans=YES N=188 |
27 |
Correct |
1 ms |
340 KB |
ans=YES N=183 |
28 |
Correct |
1 ms |
340 KB |
ans=YES N=189 |
29 |
Correct |
1 ms |
340 KB |
ans=YES N=200 |
30 |
Correct |
1 ms |
340 KB |
ans=YES N=190 |
31 |
Correct |
1 ms |
340 KB |
ans=YES N=187 |
32 |
Correct |
1 ms |
340 KB |
ans=YES N=187 |
33 |
Correct |
1 ms |
340 KB |
ans=YES N=182 |
34 |
Correct |
1 ms |
340 KB |
ans=YES N=184 |
35 |
Correct |
1 ms |
340 KB |
ans=YES N=188 |
36 |
Correct |
1 ms |
340 KB |
ans=YES N=181 |
37 |
Correct |
1 ms |
340 KB |
ans=YES N=188 |
38 |
Correct |
1 ms |
340 KB |
ans=YES N=191 |
39 |
Correct |
1 ms |
340 KB |
ans=YES N=196 |
40 |
Correct |
1 ms |
340 KB |
ans=YES N=196 |
41 |
Correct |
1 ms |
340 KB |
ans=YES N=196 |
42 |
Correct |
1 ms |
340 KB |
ans=YES N=196 |
43 |
Correct |
1 ms |
340 KB |
ans=YES N=195 |
44 |
Correct |
2 ms |
596 KB |
ans=NO N=1934 |
45 |
Correct |
2 ms |
596 KB |
ans=NO N=1965 |
46 |
Correct |
4 ms |
724 KB |
ans=YES N=1824 |
47 |
Correct |
4 ms |
852 KB |
ans=YES N=1981 |
48 |
Correct |
4 ms |
724 KB |
ans=YES N=1814 |
49 |
Correct |
4 ms |
852 KB |
ans=YES N=1854 |
50 |
Correct |
4 ms |
724 KB |
ans=YES N=1831 |
51 |
Correct |
4 ms |
852 KB |
ans=YES N=2000 |
52 |
Correct |
5 ms |
940 KB |
ans=YES N=1847 |
53 |
Correct |
5 ms |
980 KB |
ans=YES N=1819 |
54 |
Correct |
4 ms |
724 KB |
ans=YES N=1986 |
55 |
Correct |
6 ms |
1108 KB |
ans=YES N=2000 |
56 |
Correct |
5 ms |
1236 KB |
ans=YES N=1834 |
57 |
Correct |
6 ms |
1240 KB |
ans=YES N=1860 |
58 |
Correct |
6 ms |
1236 KB |
ans=YES N=1898 |
59 |
Correct |
5 ms |
1108 KB |
ans=YES N=1832 |
60 |
Correct |
7 ms |
1492 KB |
ans=YES N=1929 |
61 |
Correct |
5 ms |
852 KB |
ans=YES N=1919 |
62 |
Correct |
5 ms |
1108 KB |
ans=YES N=1882 |
63 |
Correct |
6 ms |
1492 KB |
ans=YES N=1922 |
64 |
Correct |
4 ms |
980 KB |
ans=YES N=1989 |
65 |
Correct |
5 ms |
1108 KB |
ans=YES N=1978 |
66 |
Correct |
5 ms |
1236 KB |
ans=YES N=1867 |
67 |
Correct |
5 ms |
1108 KB |
ans=YES N=1942 |
68 |
Correct |
177 ms |
20520 KB |
ans=NO N=66151 |
69 |
Correct |
72 ms |
10396 KB |
ans=NO N=64333 |
70 |
Correct |
180 ms |
16872 KB |
ans=YES N=69316 |
71 |
Correct |
157 ms |
16496 KB |
ans=YES N=66695 |
72 |
Correct |
167 ms |
16876 KB |
ans=YES N=68436 |
73 |
Correct |
179 ms |
17368 KB |
ans=YES N=70000 |
74 |
Correct |
170 ms |
17084 KB |
ans=YES N=68501 |
75 |
Correct |
192 ms |
17760 KB |
ans=YES N=70000 |
76 |
Correct |
208 ms |
18040 KB |
ans=YES N=65009 |
77 |
Correct |
236 ms |
27172 KB |
ans=YES N=67007 |
78 |
Correct |
249 ms |
31136 KB |
ans=YES N=66357 |
79 |
Correct |
247 ms |
33836 KB |
ans=YES N=65430 |
80 |
Correct |
333 ms |
33088 KB |
ans=YES N=65790 |
81 |
Correct |
370 ms |
31044 KB |
ans=YES N=66020 |
82 |
Correct |
268 ms |
28944 KB |
ans=YES N=65809 |
83 |
Correct |
225 ms |
20948 KB |
ans=YES N=65651 |
84 |
Correct |
307 ms |
41548 KB |
ans=YES N=68040 |
85 |
Correct |
262 ms |
37016 KB |
ans=YES N=66570 |
86 |
Correct |
158 ms |
17196 KB |
ans=YES N=65421 |
87 |
Correct |
170 ms |
19240 KB |
ans=YES N=68351 |
88 |
Correct |
146 ms |
16552 KB |
ans=YES N=67027 |
89 |
Correct |
199 ms |
25136 KB |
ans=YES N=68879 |
90 |
Correct |
179 ms |
19552 KB |
ans=YES N=67256 |
91 |
Correct |
385 ms |
36820 KB |
ans=YES N=148315 |
92 |
Correct |
174 ms |
22884 KB |
ans=NO N=142745 |
93 |
Correct |
190 ms |
23616 KB |
ans=NO N=148443 |
94 |
Correct |
376 ms |
35280 KB |
ans=YES N=148328 |
95 |
Correct |
382 ms |
35488 KB |
ans=YES N=147855 |
96 |
Correct |
371 ms |
35716 KB |
ans=YES N=150000 |
97 |
Correct |
363 ms |
34548 KB |
ans=YES N=144725 |
98 |
Correct |
368 ms |
35608 KB |
ans=YES N=149445 |
99 |
Correct |
417 ms |
34824 KB |
ans=YES N=144455 |
100 |
Correct |
400 ms |
34604 KB |
ans=YES N=143487 |
101 |
Correct |
411 ms |
36136 KB |
ans=YES N=149688 |
102 |
Correct |
584 ms |
58584 KB |
ans=YES N=141481 |
103 |
Correct |
647 ms |
81580 KB |
ans=YES N=147430 |
104 |
Correct |
476 ms |
47808 KB |
ans=YES N=142247 |
105 |
Correct |
530 ms |
56720 KB |
ans=YES N=149941 |
106 |
Correct |
565 ms |
76632 KB |
ans=YES N=141635 |
107 |
Correct |
584 ms |
70512 KB |
ans=YES N=142896 |
108 |
Correct |
620 ms |
77996 KB |
ans=YES N=142069 |
109 |
Correct |
417 ms |
39900 KB |
ans=YES N=142378 |
110 |
Correct |
532 ms |
64032 KB |
ans=YES N=150000 |
111 |
Correct |
614 ms |
89404 KB |
ans=YES N=141452 |
112 |
Correct |
580 ms |
85120 KB |
ans=YES N=134453 |
113 |
Correct |
543 ms |
89176 KB |
ans=YES N=144172 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
177 ms |
20500 KB |
ans=NO N=66151 |
2 |
Correct |
78 ms |
10412 KB |
ans=NO N=64333 |
3 |
Incorrect |
168 ms |
16932 KB |
Contestant's solution is not lexicographically largest at index 69316 (69235 vs 7320) |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
596 KB |
ans=NO N=1934 |
2 |
Correct |
2 ms |
520 KB |
ans=NO N=1965 |
3 |
Incorrect |
3 ms |
724 KB |
Contestant's solution is not lexicographically largest at index 1824 (1813 vs 1702) |
4 |
Halted |
0 ms |
0 KB |
- |