#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[2001], y[2001];
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<2001> 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";
int cnt = 0;
while (cnt < n) {
// cerr << cnt << endl;
int bx = -1e18, by = -1e18;
int id = 0;
for (int i = 0 ; i < n ; i++) {
if (taken[i]) continue;
for (int d = 0 ; d < 8 ; d++) {
int u = x[i] + dx[d];
int v = y[i] + dy[d];
if (cnt == 0 || (pts2[u].count(v) and taken[pts2[u][v]])) {
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;
}
break;
}
}
}
taken[id] = 1;
cout << id + 1 << endl;
cnt++;
}
}
Compilation message
skyscrapers.cpp:17:1: warning: multi-line comment [-Wcomment]
17 | //\
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
ans=YES N=1 |
2 |
Correct |
0 ms |
212 KB |
ans=YES N=4 |
3 |
Correct |
1 ms |
212 KB |
ans=NO N=4 |
4 |
Correct |
1 ms |
212 KB |
ans=YES N=5 |
5 |
Correct |
1 ms |
212 KB |
ans=YES N=9 |
6 |
Correct |
1 ms |
212 KB |
ans=YES N=5 |
7 |
Correct |
1 ms |
212 KB |
ans=NO N=9 |
8 |
Correct |
0 ms |
212 KB |
ans=NO N=10 |
9 |
Correct |
1 ms |
212 KB |
ans=YES N=10 |
10 |
Correct |
1 ms |
212 KB |
ans=YES N=10 |
11 |
Correct |
1 ms |
220 KB |
ans=YES N=10 |
12 |
Correct |
1 ms |
212 KB |
ans=YES N=9 |
13 |
Correct |
1 ms |
212 KB |
ans=YES N=9 |
14 |
Correct |
1 ms |
212 KB |
ans=YES N=8 |
15 |
Correct |
1 ms |
212 KB |
ans=YES N=8 |
16 |
Correct |
1 ms |
212 KB |
ans=NO N=2 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
ans=YES N=1 |
2 |
Correct |
0 ms |
212 KB |
ans=YES N=4 |
3 |
Correct |
1 ms |
212 KB |
ans=NO N=4 |
4 |
Correct |
1 ms |
212 KB |
ans=YES N=5 |
5 |
Correct |
1 ms |
212 KB |
ans=YES N=9 |
6 |
Correct |
1 ms |
212 KB |
ans=YES N=5 |
7 |
Correct |
1 ms |
212 KB |
ans=NO N=9 |
8 |
Correct |
0 ms |
212 KB |
ans=NO N=10 |
9 |
Correct |
1 ms |
212 KB |
ans=YES N=10 |
10 |
Correct |
1 ms |
212 KB |
ans=YES N=10 |
11 |
Correct |
1 ms |
220 KB |
ans=YES N=10 |
12 |
Correct |
1 ms |
212 KB |
ans=YES N=9 |
13 |
Correct |
1 ms |
212 KB |
ans=YES N=9 |
14 |
Correct |
1 ms |
212 KB |
ans=YES N=8 |
15 |
Correct |
1 ms |
212 KB |
ans=YES N=8 |
16 |
Correct |
1 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 |
2 ms |
212 KB |
ans=YES N=100 |
20 |
Correct |
6 ms |
340 KB |
ans=YES N=185 |
21 |
Correct |
1 ms |
340 KB |
ans=NO N=174 |
22 |
Correct |
2 ms |
320 KB |
ans=YES N=90 |
23 |
Correct |
1 ms |
340 KB |
ans=YES N=63 |
24 |
Correct |
1 ms |
212 KB |
ans=YES N=87 |
25 |
Correct |
6 ms |
352 KB |
ans=YES N=183 |
26 |
Correct |
9 ms |
356 KB |
ans=YES N=188 |
27 |
Correct |
6 ms |
356 KB |
ans=YES N=183 |
28 |
Correct |
7 ms |
340 KB |
ans=YES N=189 |
29 |
Correct |
9 ms |
340 KB |
ans=YES N=200 |
30 |
Correct |
6 ms |
340 KB |
ans=YES N=190 |
31 |
Correct |
7 ms |
340 KB |
ans=YES N=187 |
32 |
Correct |
6 ms |
324 KB |
ans=YES N=187 |
33 |
Correct |
6 ms |
340 KB |
ans=YES N=182 |
34 |
Correct |
6 ms |
340 KB |
ans=YES N=184 |
35 |
Correct |
6 ms |
340 KB |
ans=YES N=188 |
36 |
Correct |
6 ms |
340 KB |
ans=YES N=181 |
37 |
Correct |
6 ms |
340 KB |
ans=YES N=188 |
38 |
Correct |
6 ms |
320 KB |
ans=YES N=191 |
39 |
Correct |
4 ms |
340 KB |
ans=YES N=196 |
40 |
Correct |
5 ms |
340 KB |
ans=YES N=196 |
41 |
Correct |
5 ms |
352 KB |
ans=YES N=196 |
42 |
Correct |
5 ms |
340 KB |
ans=YES N=196 |
43 |
Correct |
6 ms |
340 KB |
ans=YES N=195 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
ans=YES N=1 |
2 |
Correct |
0 ms |
212 KB |
ans=YES N=4 |
3 |
Correct |
1 ms |
212 KB |
ans=NO N=4 |
4 |
Correct |
1 ms |
212 KB |
ans=YES N=5 |
5 |
Correct |
1 ms |
212 KB |
ans=YES N=9 |
6 |
Correct |
1 ms |
212 KB |
ans=YES N=5 |
7 |
Correct |
1 ms |
212 KB |
ans=NO N=9 |
8 |
Correct |
0 ms |
212 KB |
ans=NO N=10 |
9 |
Correct |
1 ms |
212 KB |
ans=YES N=10 |
10 |
Correct |
1 ms |
212 KB |
ans=YES N=10 |
11 |
Correct |
1 ms |
220 KB |
ans=YES N=10 |
12 |
Correct |
1 ms |
212 KB |
ans=YES N=9 |
13 |
Correct |
1 ms |
212 KB |
ans=YES N=9 |
14 |
Correct |
1 ms |
212 KB |
ans=YES N=8 |
15 |
Correct |
1 ms |
212 KB |
ans=YES N=8 |
16 |
Correct |
1 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 |
2 ms |
212 KB |
ans=YES N=100 |
20 |
Correct |
6 ms |
340 KB |
ans=YES N=185 |
21 |
Correct |
1 ms |
340 KB |
ans=NO N=174 |
22 |
Correct |
2 ms |
320 KB |
ans=YES N=90 |
23 |
Correct |
1 ms |
340 KB |
ans=YES N=63 |
24 |
Correct |
1 ms |
212 KB |
ans=YES N=87 |
25 |
Correct |
6 ms |
352 KB |
ans=YES N=183 |
26 |
Correct |
9 ms |
356 KB |
ans=YES N=188 |
27 |
Correct |
6 ms |
356 KB |
ans=YES N=183 |
28 |
Correct |
7 ms |
340 KB |
ans=YES N=189 |
29 |
Correct |
9 ms |
340 KB |
ans=YES N=200 |
30 |
Correct |
6 ms |
340 KB |
ans=YES N=190 |
31 |
Correct |
7 ms |
340 KB |
ans=YES N=187 |
32 |
Correct |
6 ms |
324 KB |
ans=YES N=187 |
33 |
Correct |
6 ms |
340 KB |
ans=YES N=182 |
34 |
Correct |
6 ms |
340 KB |
ans=YES N=184 |
35 |
Correct |
6 ms |
340 KB |
ans=YES N=188 |
36 |
Correct |
6 ms |
340 KB |
ans=YES N=181 |
37 |
Correct |
6 ms |
340 KB |
ans=YES N=188 |
38 |
Correct |
6 ms |
320 KB |
ans=YES N=191 |
39 |
Correct |
4 ms |
340 KB |
ans=YES N=196 |
40 |
Correct |
5 ms |
340 KB |
ans=YES N=196 |
41 |
Correct |
5 ms |
352 KB |
ans=YES N=196 |
42 |
Correct |
5 ms |
340 KB |
ans=YES N=196 |
43 |
Correct |
6 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 |
1501 ms |
596 KB |
ans=YES N=1824 |
47 |
Correct |
1760 ms |
616 KB |
ans=YES N=1981 |
48 |
Correct |
1467 ms |
596 KB |
ans=YES N=1814 |
49 |
Correct |
1446 ms |
728 KB |
ans=YES N=1854 |
50 |
Correct |
1467 ms |
596 KB |
ans=YES N=1831 |
51 |
Correct |
1747 ms |
760 KB |
ans=YES N=2000 |
52 |
Correct |
1322 ms |
616 KB |
ans=YES N=1847 |
53 |
Correct |
1178 ms |
608 KB |
ans=YES N=1819 |
54 |
Correct |
1727 ms |
636 KB |
ans=YES N=1986 |
55 |
Correct |
1450 ms |
640 KB |
ans=YES N=2000 |
56 |
Correct |
1132 ms |
624 KB |
ans=YES N=1834 |
57 |
Correct |
1177 ms |
560 KB |
ans=YES N=1860 |
58 |
Correct |
1260 ms |
624 KB |
ans=YES N=1898 |
59 |
Correct |
1301 ms |
844 KB |
ans=YES N=1832 |
60 |
Correct |
1236 ms |
596 KB |
ans=YES N=1929 |
61 |
Correct |
1560 ms |
748 KB |
ans=YES N=1919 |
62 |
Correct |
1337 ms |
756 KB |
ans=YES N=1882 |
63 |
Correct |
1201 ms |
652 KB |
ans=YES N=1922 |
64 |
Correct |
1575 ms |
672 KB |
ans=YES N=1989 |
65 |
Correct |
604 ms |
624 KB |
ans=YES N=1978 |
66 |
Correct |
1206 ms |
972 KB |
ans=YES N=1867 |
67 |
Correct |
1399 ms |
628 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 |
1465 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 |
212 KB |
ans=YES N=1 |
2 |
Correct |
0 ms |
212 KB |
ans=YES N=4 |
3 |
Correct |
1 ms |
212 KB |
ans=NO N=4 |
4 |
Correct |
1 ms |
212 KB |
ans=YES N=5 |
5 |
Correct |
1 ms |
212 KB |
ans=YES N=9 |
6 |
Correct |
1 ms |
212 KB |
ans=YES N=5 |
7 |
Correct |
1 ms |
212 KB |
ans=NO N=9 |
8 |
Correct |
0 ms |
212 KB |
ans=NO N=10 |
9 |
Correct |
1 ms |
212 KB |
ans=YES N=10 |
10 |
Correct |
1 ms |
212 KB |
ans=YES N=10 |
11 |
Correct |
1 ms |
220 KB |
ans=YES N=10 |
12 |
Correct |
1 ms |
212 KB |
ans=YES N=9 |
13 |
Correct |
1 ms |
212 KB |
ans=YES N=9 |
14 |
Correct |
1 ms |
212 KB |
ans=YES N=8 |
15 |
Correct |
1 ms |
212 KB |
ans=YES N=8 |
16 |
Correct |
1 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 |
2 ms |
212 KB |
ans=YES N=100 |
20 |
Correct |
6 ms |
340 KB |
ans=YES N=185 |
21 |
Correct |
1 ms |
340 KB |
ans=NO N=174 |
22 |
Correct |
2 ms |
320 KB |
ans=YES N=90 |
23 |
Correct |
1 ms |
340 KB |
ans=YES N=63 |
24 |
Correct |
1 ms |
212 KB |
ans=YES N=87 |
25 |
Correct |
6 ms |
352 KB |
ans=YES N=183 |
26 |
Correct |
9 ms |
356 KB |
ans=YES N=188 |
27 |
Correct |
6 ms |
356 KB |
ans=YES N=183 |
28 |
Correct |
7 ms |
340 KB |
ans=YES N=189 |
29 |
Correct |
9 ms |
340 KB |
ans=YES N=200 |
30 |
Correct |
6 ms |
340 KB |
ans=YES N=190 |
31 |
Correct |
7 ms |
340 KB |
ans=YES N=187 |
32 |
Correct |
6 ms |
324 KB |
ans=YES N=187 |
33 |
Correct |
6 ms |
340 KB |
ans=YES N=182 |
34 |
Correct |
6 ms |
340 KB |
ans=YES N=184 |
35 |
Correct |
6 ms |
340 KB |
ans=YES N=188 |
36 |
Correct |
6 ms |
340 KB |
ans=YES N=181 |
37 |
Correct |
6 ms |
340 KB |
ans=YES N=188 |
38 |
Correct |
6 ms |
320 KB |
ans=YES N=191 |
39 |
Correct |
4 ms |
340 KB |
ans=YES N=196 |
40 |
Correct |
5 ms |
340 KB |
ans=YES N=196 |
41 |
Correct |
5 ms |
352 KB |
ans=YES N=196 |
42 |
Correct |
5 ms |
340 KB |
ans=YES N=196 |
43 |
Correct |
6 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 |
1501 ms |
596 KB |
ans=YES N=1824 |
47 |
Correct |
1760 ms |
616 KB |
ans=YES N=1981 |
48 |
Correct |
1467 ms |
596 KB |
ans=YES N=1814 |
49 |
Correct |
1446 ms |
728 KB |
ans=YES N=1854 |
50 |
Correct |
1467 ms |
596 KB |
ans=YES N=1831 |
51 |
Correct |
1747 ms |
760 KB |
ans=YES N=2000 |
52 |
Correct |
1322 ms |
616 KB |
ans=YES N=1847 |
53 |
Correct |
1178 ms |
608 KB |
ans=YES N=1819 |
54 |
Correct |
1727 ms |
636 KB |
ans=YES N=1986 |
55 |
Correct |
1450 ms |
640 KB |
ans=YES N=2000 |
56 |
Correct |
1132 ms |
624 KB |
ans=YES N=1834 |
57 |
Correct |
1177 ms |
560 KB |
ans=YES N=1860 |
58 |
Correct |
1260 ms |
624 KB |
ans=YES N=1898 |
59 |
Correct |
1301 ms |
844 KB |
ans=YES N=1832 |
60 |
Correct |
1236 ms |
596 KB |
ans=YES N=1929 |
61 |
Correct |
1560 ms |
748 KB |
ans=YES N=1919 |
62 |
Correct |
1337 ms |
756 KB |
ans=YES N=1882 |
63 |
Correct |
1201 ms |
652 KB |
ans=YES N=1922 |
64 |
Correct |
1575 ms |
672 KB |
ans=YES N=1989 |
65 |
Correct |
604 ms |
624 KB |
ans=YES N=1978 |
66 |
Correct |
1206 ms |
972 KB |
ans=YES N=1867 |
67 |
Correct |
1399 ms |
628 KB |
ans=YES N=1942 |
68 |
Incorrect |
2 ms |
724 KB |
Unexpected end of file - int32 expected |
69 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
3 ms |
724 KB |
Unexpected end of file - int32 expected |
2 |
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 |
1465 ms |
596 KB |
Contestant's solution is not lexicographically largest at index 1824 (1813 vs 974) |
4 |
Halted |
0 ms |
0 KB |
- |