#pragma GCC optimize ("Ofast")
#pragma GCC target ("avx,avx2,fma")
#include"bits/stdc++.h"
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
template<class x>
using ordered_set = tree<x, null_type,less<x>, rb_tree_tag,tree_order_statistics_node_update>;
#define int long long
#define endl '\n'
#define mod 1000000007
//\
#define mod 1686876991
int n, t;
int x[200001], y[200001];
int dx[] = {-1, 1, 0, 0, 1, 1, -1, -1};
int dy[] = {0, 0, 1, -1, 1, -1, 1, -1};
set<pair<int,int>> pts;
map<int,map<int,int>> pts2;
set<pair<int,int>> placed;
bitset<200001> taken;
signed main () {
cin.tie(0)->sync_with_stdio(0);
cin >> n >> t;
for (int i = 0 ; i < n ; i++) {
cin >> x[i] >> y[i];
pts.insert({x[i], y[i]});
pts2[x[i]][y[i]] = i;
}
if (n > 1) {
for (int i = 0 ; i < n ; i++) {
bool good = 0;
for (int d = 0 ; d < 8 ; d++) {
int u = x[i] + dx[d];
int v = y[i] + dy[d];
if (pts.count({u, v})) good = 1;
}
if (!good) {
cout << "NO\n";
return 0;
}
}
}
cout << "YES\n";
priority_queue<array<int,3>> pos;
int bx = -INT_MAX, by = -INT_MAX;
int id = 0;
for (int i = 0 ; i < n ; i++) {
if (x[i] > bx) {
bx = x[i], by = y[i];
id = i;
} else if (x[i] == bx and y[i] > by) {
bx = x[i], by = y[i];
id = i;
}
}
pos.push({bx, by, id});
while (pos.size()) {
auto [x, y, i] = pos.top();
pts2[x].erase(y);
pos.pop();
cout << i + 1 << endl;
for (int d = 0 ; d < 8 ; d++) {
int u = x + dx[d];
int v = y + dy[d];
if (pts2[u].count(v)) {
pos.push({u, v, pts2[u][v]});
pts2[u].erase(v);
}
}
}
}
Compilation message
skyscrapers.cpp:17:1: warning: multi-line comment [-Wcomment]
17 | //\
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
ans=YES N=1 |
2 |
Correct |
0 ms |
340 KB |
ans=YES N=4 |
3 |
Correct |
1 ms |
340 KB |
ans=NO N=4 |
4 |
Correct |
0 ms |
340 KB |
ans=YES N=5 |
5 |
Correct |
1 ms |
212 KB |
ans=YES N=9 |
6 |
Correct |
0 ms |
340 KB |
ans=YES N=5 |
7 |
Correct |
0 ms |
340 KB |
ans=NO N=9 |
8 |
Correct |
0 ms |
340 KB |
ans=NO N=10 |
9 |
Correct |
0 ms |
340 KB |
ans=YES N=10 |
10 |
Correct |
0 ms |
340 KB |
ans=YES N=10 |
11 |
Correct |
1 ms |
340 KB |
ans=YES N=10 |
12 |
Correct |
0 ms |
212 KB |
ans=YES N=9 |
13 |
Correct |
1 ms |
340 KB |
ans=YES N=9 |
14 |
Correct |
0 ms |
340 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 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
ans=YES N=1 |
2 |
Correct |
0 ms |
340 KB |
ans=YES N=4 |
3 |
Correct |
1 ms |
340 KB |
ans=NO N=4 |
4 |
Correct |
0 ms |
340 KB |
ans=YES N=5 |
5 |
Correct |
1 ms |
212 KB |
ans=YES N=9 |
6 |
Correct |
0 ms |
340 KB |
ans=YES N=5 |
7 |
Correct |
0 ms |
340 KB |
ans=NO N=9 |
8 |
Correct |
0 ms |
340 KB |
ans=NO N=10 |
9 |
Correct |
0 ms |
340 KB |
ans=YES N=10 |
10 |
Correct |
0 ms |
340 KB |
ans=YES N=10 |
11 |
Correct |
1 ms |
340 KB |
ans=YES N=10 |
12 |
Correct |
0 ms |
212 KB |
ans=YES N=9 |
13 |
Correct |
1 ms |
340 KB |
ans=YES N=9 |
14 |
Correct |
0 ms |
340 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 |
1 ms |
340 KB |
ans=YES N=17 |
18 |
Correct |
0 ms |
340 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 |
1 ms |
340 KB |
ans=NO N=174 |
22 |
Correct |
1 ms |
340 KB |
ans=YES N=90 |
23 |
Correct |
0 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 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
ans=YES N=1 |
2 |
Correct |
0 ms |
340 KB |
ans=YES N=4 |
3 |
Correct |
1 ms |
340 KB |
ans=NO N=4 |
4 |
Correct |
0 ms |
340 KB |
ans=YES N=5 |
5 |
Correct |
1 ms |
212 KB |
ans=YES N=9 |
6 |
Correct |
0 ms |
340 KB |
ans=YES N=5 |
7 |
Correct |
0 ms |
340 KB |
ans=NO N=9 |
8 |
Correct |
0 ms |
340 KB |
ans=NO N=10 |
9 |
Correct |
0 ms |
340 KB |
ans=YES N=10 |
10 |
Correct |
0 ms |
340 KB |
ans=YES N=10 |
11 |
Correct |
1 ms |
340 KB |
ans=YES N=10 |
12 |
Correct |
0 ms |
212 KB |
ans=YES N=9 |
13 |
Correct |
1 ms |
340 KB |
ans=YES N=9 |
14 |
Correct |
0 ms |
340 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 |
1 ms |
340 KB |
ans=YES N=17 |
18 |
Correct |
0 ms |
340 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 |
1 ms |
340 KB |
ans=NO N=174 |
22 |
Correct |
1 ms |
340 KB |
ans=YES N=90 |
23 |
Correct |
0 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 |
724 KB |
ans=NO N=1934 |
45 |
Correct |
2 ms |
596 KB |
ans=NO N=1965 |
46 |
Correct |
3 ms |
596 KB |
ans=YES N=1824 |
47 |
Correct |
3 ms |
596 KB |
ans=YES N=1981 |
48 |
Correct |
3 ms |
596 KB |
ans=YES N=1814 |
49 |
Correct |
3 ms |
596 KB |
ans=YES N=1854 |
50 |
Correct |
4 ms |
596 KB |
ans=YES N=1831 |
51 |
Correct |
4 ms |
596 KB |
ans=YES N=2000 |
52 |
Correct |
3 ms |
596 KB |
ans=YES N=1847 |
53 |
Correct |
4 ms |
596 KB |
ans=YES N=1819 |
54 |
Correct |
3 ms |
596 KB |
ans=YES N=1986 |
55 |
Correct |
4 ms |
596 KB |
ans=YES N=2000 |
56 |
Correct |
4 ms |
624 KB |
ans=YES N=1834 |
57 |
Correct |
4 ms |
596 KB |
ans=YES N=1860 |
58 |
Correct |
4 ms |
596 KB |
ans=YES N=1898 |
59 |
Correct |
4 ms |
596 KB |
ans=YES N=1832 |
60 |
Correct |
4 ms |
596 KB |
ans=YES N=1929 |
61 |
Correct |
4 ms |
624 KB |
ans=YES N=1919 |
62 |
Correct |
4 ms |
596 KB |
ans=YES N=1882 |
63 |
Correct |
5 ms |
596 KB |
ans=YES N=1922 |
64 |
Correct |
4 ms |
596 KB |
ans=YES N=1989 |
65 |
Correct |
3 ms |
596 KB |
ans=YES N=1978 |
66 |
Correct |
3 ms |
724 KB |
ans=YES N=1867 |
67 |
Correct |
4 ms |
596 KB |
ans=YES N=1942 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
724 KB |
ans=NO N=1934 |
2 |
Correct |
2 ms |
596 KB |
ans=NO N=1965 |
3 |
Incorrect |
3 ms |
596 KB |
Contestant's solution is not lexicographically largest at index 1824 (1813 vs 974) |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
ans=YES N=1 |
2 |
Correct |
0 ms |
340 KB |
ans=YES N=4 |
3 |
Correct |
1 ms |
340 KB |
ans=NO N=4 |
4 |
Correct |
0 ms |
340 KB |
ans=YES N=5 |
5 |
Correct |
1 ms |
212 KB |
ans=YES N=9 |
6 |
Correct |
0 ms |
340 KB |
ans=YES N=5 |
7 |
Correct |
0 ms |
340 KB |
ans=NO N=9 |
8 |
Correct |
0 ms |
340 KB |
ans=NO N=10 |
9 |
Correct |
0 ms |
340 KB |
ans=YES N=10 |
10 |
Correct |
0 ms |
340 KB |
ans=YES N=10 |
11 |
Correct |
1 ms |
340 KB |
ans=YES N=10 |
12 |
Correct |
0 ms |
212 KB |
ans=YES N=9 |
13 |
Correct |
1 ms |
340 KB |
ans=YES N=9 |
14 |
Correct |
0 ms |
340 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 |
1 ms |
340 KB |
ans=YES N=17 |
18 |
Correct |
0 ms |
340 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 |
1 ms |
340 KB |
ans=NO N=174 |
22 |
Correct |
1 ms |
340 KB |
ans=YES N=90 |
23 |
Correct |
0 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 |
724 KB |
ans=NO N=1934 |
45 |
Correct |
2 ms |
596 KB |
ans=NO N=1965 |
46 |
Correct |
3 ms |
596 KB |
ans=YES N=1824 |
47 |
Correct |
3 ms |
596 KB |
ans=YES N=1981 |
48 |
Correct |
3 ms |
596 KB |
ans=YES N=1814 |
49 |
Correct |
3 ms |
596 KB |
ans=YES N=1854 |
50 |
Correct |
4 ms |
596 KB |
ans=YES N=1831 |
51 |
Correct |
4 ms |
596 KB |
ans=YES N=2000 |
52 |
Correct |
3 ms |
596 KB |
ans=YES N=1847 |
53 |
Correct |
4 ms |
596 KB |
ans=YES N=1819 |
54 |
Correct |
3 ms |
596 KB |
ans=YES N=1986 |
55 |
Correct |
4 ms |
596 KB |
ans=YES N=2000 |
56 |
Correct |
4 ms |
624 KB |
ans=YES N=1834 |
57 |
Correct |
4 ms |
596 KB |
ans=YES N=1860 |
58 |
Correct |
4 ms |
596 KB |
ans=YES N=1898 |
59 |
Correct |
4 ms |
596 KB |
ans=YES N=1832 |
60 |
Correct |
4 ms |
596 KB |
ans=YES N=1929 |
61 |
Correct |
4 ms |
624 KB |
ans=YES N=1919 |
62 |
Correct |
4 ms |
596 KB |
ans=YES N=1882 |
63 |
Correct |
5 ms |
596 KB |
ans=YES N=1922 |
64 |
Correct |
4 ms |
596 KB |
ans=YES N=1989 |
65 |
Correct |
3 ms |
596 KB |
ans=YES N=1978 |
66 |
Correct |
3 ms |
724 KB |
ans=YES N=1867 |
67 |
Correct |
4 ms |
596 KB |
ans=YES N=1942 |
68 |
Correct |
62 ms |
9616 KB |
ans=NO N=66151 |
69 |
Correct |
64 ms |
9520 KB |
ans=NO N=64333 |
70 |
Correct |
245 ms |
10492 KB |
ans=YES N=69316 |
71 |
Correct |
195 ms |
10140 KB |
ans=YES N=66695 |
72 |
Correct |
238 ms |
10464 KB |
ans=YES N=68436 |
73 |
Correct |
255 ms |
10596 KB |
ans=YES N=70000 |
74 |
Correct |
266 ms |
10444 KB |
ans=YES N=68501 |
75 |
Correct |
248 ms |
10592 KB |
ans=YES N=70000 |
76 |
Correct |
237 ms |
9896 KB |
ans=YES N=65009 |
77 |
Correct |
236 ms |
10216 KB |
ans=YES N=67007 |
78 |
Correct |
218 ms |
10192 KB |
ans=YES N=66357 |
79 |
Correct |
208 ms |
10132 KB |
ans=YES N=65430 |
80 |
Correct |
223 ms |
10060 KB |
ans=YES N=65790 |
81 |
Correct |
250 ms |
10060 KB |
ans=YES N=66020 |
82 |
Correct |
224 ms |
10048 KB |
ans=YES N=65809 |
83 |
Correct |
227 ms |
10000 KB |
ans=YES N=65651 |
84 |
Correct |
235 ms |
10328 KB |
ans=YES N=68040 |
85 |
Correct |
203 ms |
10212 KB |
ans=YES N=66570 |
86 |
Correct |
195 ms |
9948 KB |
ans=YES N=65421 |
87 |
Correct |
206 ms |
10420 KB |
ans=YES N=68351 |
88 |
Correct |
191 ms |
10148 KB |
ans=YES N=67027 |
89 |
Correct |
156 ms |
10440 KB |
ans=YES N=68879 |
90 |
Correct |
191 ms |
10228 KB |
ans=YES N=67256 |
91 |
Correct |
617 ms |
22228 KB |
ans=YES N=148315 |
92 |
Correct |
156 ms |
20604 KB |
ans=NO N=142745 |
93 |
Correct |
192 ms |
35220 KB |
ans=NO N=148443 |
94 |
Correct |
598 ms |
22212 KB |
ans=YES N=148328 |
95 |
Correct |
588 ms |
22068 KB |
ans=YES N=147855 |
96 |
Correct |
613 ms |
22508 KB |
ans=YES N=150000 |
97 |
Correct |
564 ms |
21864 KB |
ans=YES N=144725 |
98 |
Correct |
619 ms |
22392 KB |
ans=YES N=149445 |
99 |
Correct |
575 ms |
21572 KB |
ans=YES N=144455 |
100 |
Correct |
594 ms |
21436 KB |
ans=YES N=143487 |
101 |
Correct |
638 ms |
22348 KB |
ans=YES N=149688 |
102 |
Correct |
560 ms |
21348 KB |
ans=YES N=141481 |
103 |
Correct |
654 ms |
23312 KB |
ans=YES N=147430 |
104 |
Correct |
620 ms |
21328 KB |
ans=YES N=142247 |
105 |
Correct |
715 ms |
22412 KB |
ans=YES N=149941 |
106 |
Correct |
578 ms |
23176 KB |
ans=YES N=141635 |
107 |
Correct |
628 ms |
21488 KB |
ans=YES N=142896 |
108 |
Correct |
561 ms |
21444 KB |
ans=YES N=142069 |
109 |
Correct |
592 ms |
21316 KB |
ans=YES N=142378 |
110 |
Correct |
595 ms |
23188 KB |
ans=YES N=150000 |
111 |
Correct |
528 ms |
22208 KB |
ans=YES N=141452 |
112 |
Correct |
492 ms |
23748 KB |
ans=YES N=134453 |
113 |
Correct |
494 ms |
33992 KB |
ans=YES N=144172 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
61 ms |
9676 KB |
ans=NO N=66151 |
2 |
Correct |
58 ms |
9420 KB |
ans=NO N=64333 |
3 |
Incorrect |
202 ms |
10488 KB |
Contestant's solution is not lexicographically largest at index 69316 (69235 vs 51180) |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
724 KB |
ans=NO N=1934 |
2 |
Correct |
2 ms |
596 KB |
ans=NO N=1965 |
3 |
Incorrect |
3 ms |
596 KB |
Contestant's solution is not lexicographically largest at index 1824 (1813 vs 974) |
4 |
Halted |
0 ms |
0 KB |
- |