#include <bits/stdc++.h>
#define all(vec) vec.begin(), vec.end()
#define ll long long
#define db double
#define pb push_back
#define pf push_front
#define newl "\n"
#define fast ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define f first
#define s second
#define MOD 1000000007
using namespace std;
#pragma GCC diagnostic ignored "-Wunused-result"
void setIO(string name = "") {
ios_base::sync_with_stdio(0); cin.tie(0);
cout << fixed << setprecision(15);
if (name.size()) {
freopen((name+".in").c_str(), "r", stdin);
freopen((name+".out").c_str(), "w", stdout);
}
}
map <pair <ll, ll>, bool> vis, exist;
vector <ll> ans;
priority_queue <pair <ll, ll>, vector <pair <ll, ll>>, greater <pair <ll, ll>>> pq;
map <pair <ll, ll>, ll> mp;
void bfs(ll ii, ll jj)
{
pq.push({ii, jj});
vis[{ii, jj}] = true;
while (pq.size())
{
ll x = pq.top().f, y = pq.top().s;
pq.pop();
for (ll i = x - 1; i <= x + 1; i++)
{
for (ll j = y - 1; j <= y + 1; j++)
{
if (exist[{i, j}] && !vis[{i, j}])
{
vis[{i, j}] = true;
pq.push({i, j});
}
}
}
ans.pb(mp[{x, y}]);
}
}
int main()
{
//fast
//setIO("");
//freopen("filename.in", "r", stdin);
//freopen("filename.out", "w", stdout);
ll n, t; cin >> n >> t;
vector <pair <ll, ll>> a(n);
for (ll i = 0; i < n; i++)
{
cin >> a[i].f >> a[i].s;
mp[a[i]] = i + 1;
exist[a[i]] = true;
}
sort(a.begin(), a.end());
bfs(a[0].f, a[0].s);
if (ans.size() < n)
{
cout << "NO" << newl;
return 0;
}
cout << "YES" << newl;
for (auto v : ans) cout << v << newl;
//cout << 1;
}
Compilation message
skyscrapers.cpp: In function 'int main()':
skyscrapers.cpp:76:20: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
76 | if (ans.size() < n)
| ~~~~~~~~~~~^~~
# |
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 |
1 ms |
268 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 |
1 ms |
212 KB |
ans=YES N=8 |
15 |
Correct |
0 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 |
1 ms |
268 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 |
1 ms |
212 KB |
ans=YES N=8 |
15 |
Correct |
0 ms |
212 KB |
ans=YES N=8 |
16 |
Correct |
0 ms |
212 KB |
ans=NO N=2 |
17 |
Correct |
0 ms |
212 KB |
ans=YES N=17 |
18 |
Correct |
0 ms |
212 KB |
ans=YES N=25 |
19 |
Correct |
1 ms |
212 KB |
ans=YES N=100 |
20 |
Correct |
1 ms |
340 KB |
ans=YES N=185 |
21 |
Correct |
1 ms |
212 KB |
ans=NO N=174 |
22 |
Correct |
1 ms |
212 KB |
ans=YES N=90 |
23 |
Correct |
0 ms |
212 KB |
ans=YES N=63 |
24 |
Correct |
1 ms |
212 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 |
384 KB |
ans=YES N=183 |
28 |
Correct |
2 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 |
1 ms |
268 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 |
1 ms |
212 KB |
ans=YES N=8 |
15 |
Correct |
0 ms |
212 KB |
ans=YES N=8 |
16 |
Correct |
0 ms |
212 KB |
ans=NO N=2 |
17 |
Correct |
0 ms |
212 KB |
ans=YES N=17 |
18 |
Correct |
0 ms |
212 KB |
ans=YES N=25 |
19 |
Correct |
1 ms |
212 KB |
ans=YES N=100 |
20 |
Correct |
1 ms |
340 KB |
ans=YES N=185 |
21 |
Correct |
1 ms |
212 KB |
ans=NO N=174 |
22 |
Correct |
1 ms |
212 KB |
ans=YES N=90 |
23 |
Correct |
0 ms |
212 KB |
ans=YES N=63 |
24 |
Correct |
1 ms |
212 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 |
384 KB |
ans=YES N=183 |
28 |
Correct |
2 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 |
3 ms |
596 KB |
ans=NO N=1934 |
45 |
Correct |
2 ms |
596 KB |
ans=NO N=1965 |
46 |
Correct |
5 ms |
724 KB |
ans=YES N=1824 |
47 |
Correct |
5 ms |
696 KB |
ans=YES N=1981 |
48 |
Correct |
5 ms |
724 KB |
ans=YES N=1814 |
49 |
Correct |
5 ms |
724 KB |
ans=YES N=1854 |
50 |
Correct |
6 ms |
724 KB |
ans=YES N=1831 |
51 |
Correct |
7 ms |
692 KB |
ans=YES N=2000 |
52 |
Correct |
6 ms |
824 KB |
ans=YES N=1847 |
53 |
Correct |
6 ms |
768 KB |
ans=YES N=1819 |
54 |
Correct |
7 ms |
724 KB |
ans=YES N=1986 |
55 |
Correct |
6 ms |
980 KB |
ans=YES N=2000 |
56 |
Correct |
6 ms |
980 KB |
ans=YES N=1834 |
57 |
Correct |
6 ms |
952 KB |
ans=YES N=1860 |
58 |
Correct |
7 ms |
980 KB |
ans=YES N=1898 |
59 |
Correct |
6 ms |
852 KB |
ans=YES N=1832 |
60 |
Correct |
6 ms |
1108 KB |
ans=YES N=1929 |
61 |
Correct |
6 ms |
828 KB |
ans=YES N=1919 |
62 |
Correct |
6 ms |
852 KB |
ans=YES N=1882 |
63 |
Correct |
6 ms |
1084 KB |
ans=YES N=1922 |
64 |
Correct |
5 ms |
724 KB |
ans=YES N=1989 |
65 |
Correct |
5 ms |
824 KB |
ans=YES N=1978 |
66 |
Correct |
6 ms |
824 KB |
ans=YES N=1867 |
67 |
Correct |
7 ms |
852 KB |
ans=YES N=1942 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
468 KB |
ans=NO N=1934 |
2 |
Correct |
2 ms |
596 KB |
ans=NO N=1965 |
3 |
Incorrect |
4 ms |
588 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 |
1 ms |
268 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 |
1 ms |
212 KB |
ans=YES N=8 |
15 |
Correct |
0 ms |
212 KB |
ans=YES N=8 |
16 |
Correct |
0 ms |
212 KB |
ans=NO N=2 |
17 |
Correct |
0 ms |
212 KB |
ans=YES N=17 |
18 |
Correct |
0 ms |
212 KB |
ans=YES N=25 |
19 |
Correct |
1 ms |
212 KB |
ans=YES N=100 |
20 |
Correct |
1 ms |
340 KB |
ans=YES N=185 |
21 |
Correct |
1 ms |
212 KB |
ans=NO N=174 |
22 |
Correct |
1 ms |
212 KB |
ans=YES N=90 |
23 |
Correct |
0 ms |
212 KB |
ans=YES N=63 |
24 |
Correct |
1 ms |
212 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 |
384 KB |
ans=YES N=183 |
28 |
Correct |
2 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 |
3 ms |
596 KB |
ans=NO N=1934 |
45 |
Correct |
2 ms |
596 KB |
ans=NO N=1965 |
46 |
Correct |
5 ms |
724 KB |
ans=YES N=1824 |
47 |
Correct |
5 ms |
696 KB |
ans=YES N=1981 |
48 |
Correct |
5 ms |
724 KB |
ans=YES N=1814 |
49 |
Correct |
5 ms |
724 KB |
ans=YES N=1854 |
50 |
Correct |
6 ms |
724 KB |
ans=YES N=1831 |
51 |
Correct |
7 ms |
692 KB |
ans=YES N=2000 |
52 |
Correct |
6 ms |
824 KB |
ans=YES N=1847 |
53 |
Correct |
6 ms |
768 KB |
ans=YES N=1819 |
54 |
Correct |
7 ms |
724 KB |
ans=YES N=1986 |
55 |
Correct |
6 ms |
980 KB |
ans=YES N=2000 |
56 |
Correct |
6 ms |
980 KB |
ans=YES N=1834 |
57 |
Correct |
6 ms |
952 KB |
ans=YES N=1860 |
58 |
Correct |
7 ms |
980 KB |
ans=YES N=1898 |
59 |
Correct |
6 ms |
852 KB |
ans=YES N=1832 |
60 |
Correct |
6 ms |
1108 KB |
ans=YES N=1929 |
61 |
Correct |
6 ms |
828 KB |
ans=YES N=1919 |
62 |
Correct |
6 ms |
852 KB |
ans=YES N=1882 |
63 |
Correct |
6 ms |
1084 KB |
ans=YES N=1922 |
64 |
Correct |
5 ms |
724 KB |
ans=YES N=1989 |
65 |
Correct |
5 ms |
824 KB |
ans=YES N=1978 |
66 |
Correct |
6 ms |
824 KB |
ans=YES N=1867 |
67 |
Correct |
7 ms |
852 KB |
ans=YES N=1942 |
68 |
Correct |
188 ms |
17144 KB |
ans=NO N=66151 |
69 |
Correct |
86 ms |
9792 KB |
ans=NO N=64333 |
70 |
Correct |
234 ms |
16028 KB |
ans=YES N=69316 |
71 |
Correct |
230 ms |
15500 KB |
ans=YES N=66695 |
72 |
Correct |
211 ms |
15864 KB |
ans=YES N=68436 |
73 |
Correct |
232 ms |
16192 KB |
ans=YES N=70000 |
74 |
Correct |
233 ms |
16020 KB |
ans=YES N=68501 |
75 |
Correct |
227 ms |
16572 KB |
ans=YES N=70000 |
76 |
Correct |
214 ms |
16340 KB |
ans=YES N=65009 |
77 |
Correct |
215 ms |
20976 KB |
ans=YES N=67007 |
78 |
Correct |
233 ms |
22780 KB |
ans=YES N=66357 |
79 |
Correct |
217 ms |
24220 KB |
ans=YES N=65430 |
80 |
Correct |
227 ms |
23660 KB |
ans=YES N=65790 |
81 |
Correct |
225 ms |
22660 KB |
ans=YES N=66020 |
82 |
Correct |
219 ms |
21560 KB |
ans=YES N=65809 |
83 |
Correct |
236 ms |
17716 KB |
ans=YES N=65651 |
84 |
Correct |
243 ms |
28328 KB |
ans=YES N=68040 |
85 |
Correct |
226 ms |
25792 KB |
ans=YES N=66570 |
86 |
Correct |
210 ms |
15852 KB |
ans=YES N=65421 |
87 |
Correct |
214 ms |
17136 KB |
ans=YES N=68351 |
88 |
Correct |
208 ms |
15504 KB |
ans=YES N=67027 |
89 |
Correct |
200 ms |
20300 KB |
ans=YES N=68879 |
90 |
Correct |
225 ms |
17044 KB |
ans=YES N=67256 |
91 |
Correct |
533 ms |
34612 KB |
ans=YES N=148315 |
92 |
Correct |
238 ms |
21584 KB |
ans=NO N=142745 |
93 |
Correct |
287 ms |
23988 KB |
ans=NO N=148443 |
94 |
Correct |
563 ms |
35540 KB |
ans=YES N=148328 |
95 |
Correct |
555 ms |
35576 KB |
ans=YES N=147855 |
96 |
Correct |
587 ms |
36212 KB |
ans=YES N=150000 |
97 |
Correct |
566 ms |
34792 KB |
ans=YES N=144725 |
98 |
Correct |
586 ms |
35844 KB |
ans=YES N=149445 |
99 |
Correct |
567 ms |
35084 KB |
ans=YES N=144455 |
100 |
Correct |
583 ms |
34624 KB |
ans=YES N=143487 |
101 |
Correct |
578 ms |
36096 KB |
ans=YES N=149688 |
102 |
Correct |
617 ms |
46640 KB |
ans=YES N=141481 |
103 |
Correct |
601 ms |
58684 KB |
ans=YES N=147430 |
104 |
Correct |
638 ms |
41396 KB |
ans=YES N=142247 |
105 |
Correct |
704 ms |
46736 KB |
ans=YES N=149941 |
106 |
Correct |
608 ms |
55592 KB |
ans=YES N=141635 |
107 |
Correct |
566 ms |
52552 KB |
ans=YES N=142896 |
108 |
Correct |
580 ms |
55980 KB |
ans=YES N=142069 |
109 |
Correct |
536 ms |
36708 KB |
ans=YES N=142378 |
110 |
Correct |
629 ms |
50248 KB |
ans=YES N=150000 |
111 |
Correct |
579 ms |
61632 KB |
ans=YES N=141452 |
112 |
Correct |
577 ms |
58652 KB |
ans=YES N=134453 |
113 |
Correct |
520 ms |
61832 KB |
ans=YES N=144172 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
229 ms |
17120 KB |
ans=NO N=66151 |
2 |
Correct |
81 ms |
9292 KB |
ans=NO N=64333 |
3 |
Incorrect |
223 ms |
15480 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 |
3 ms |
468 KB |
ans=NO N=1934 |
2 |
Correct |
2 ms |
596 KB |
ans=NO N=1965 |
3 |
Incorrect |
4 ms |
588 KB |
Contestant's solution is not lexicographically largest at index 1824 (1813 vs 1702) |
4 |
Halted |
0 ms |
0 KB |
- |