#include <bits/stdc++.h>
using namespace std;
int n, T;
map <pair <int, int>, int> mp, vis;
int dx[8] = {0, 1, 0, -1, 1, -1, 1, -1};
int dy[8] = {1, 0, -1, 0, 1, 1, -1, -1};
int main() {
// freopen("test.inp", "r", stdin);
ios :: sync_with_stdio(0); cin.tie(0);
cin >> n >> T;
vector <pair <int, int> > P;
int X = 0, Y = 0;
for (int i = 1; i <= n; ++i) {
int x, y;
cin >> x >> y;
mp[{x, y}] = i;
X = x, Y = y;
}
priority_queue <pair <int, int> > q;
q.push({X, Y});
vis[{X, Y}] = 1;
vector <int> ans;
while (q.size()) {
int x = q.top().first;
int y = q.top().second;
ans.push_back(mp[{x, y}]);
q.pop();
for (int i = 0; i < 8; ++i) {
int u = x + dx[i];
int v = y + dy[i];
if (mp.find({u, v}) == mp.end() || vis[{u, v}]) continue;
vis[{u, v}] = 1;
q.push({u, v});
}
}
if (ans.size() != n) {
cout << "NO\n";
exit(0);
}
cout << "YES\n";
for (int i = 0; i < ans.size(); ++i) cout << ans[i] << '\n';
}
Compilation message
skyscrapers.cpp: In function 'int main()':
skyscrapers.cpp:40:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
40 | if (ans.size() != n) {
| ~~~~~~~~~~~^~~~
skyscrapers.cpp:45:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
45 | for (int i = 0; i < ans.size(); ++i) cout << ans[i] << '\n';
| ~~^~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 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 |
1 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 |
1 ms |
212 KB |
ans=NO N=2 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 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 |
1 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 |
1 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 |
0 ms |
212 KB |
ans=NO N=174 |
22 |
Correct |
1 ms |
212 KB |
ans=YES N=90 |
23 |
Correct |
1 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 |
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 |
212 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 |
320 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 |
1 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 |
1 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 |
1 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 |
0 ms |
212 KB |
ans=NO N=174 |
22 |
Correct |
1 ms |
212 KB |
ans=YES N=90 |
23 |
Correct |
1 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 |
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 |
212 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 |
320 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 |
1 ms |
456 KB |
ans=NO N=1934 |
45 |
Correct |
1 ms |
340 KB |
ans=NO N=1965 |
46 |
Correct |
3 ms |
468 KB |
ans=YES N=1824 |
47 |
Correct |
4 ms |
588 KB |
ans=YES N=1981 |
48 |
Correct |
3 ms |
592 KB |
ans=YES N=1814 |
49 |
Correct |
4 ms |
588 KB |
ans=YES N=1854 |
50 |
Correct |
4 ms |
596 KB |
ans=YES N=1831 |
51 |
Correct |
4 ms |
588 KB |
ans=YES N=2000 |
52 |
Correct |
3 ms |
508 KB |
ans=YES N=1847 |
53 |
Correct |
4 ms |
596 KB |
ans=YES N=1819 |
54 |
Correct |
4 ms |
584 KB |
ans=YES N=1986 |
55 |
Correct |
4 ms |
596 KB |
ans=YES N=2000 |
56 |
Correct |
3 ms |
596 KB |
ans=YES N=1834 |
57 |
Correct |
3 ms |
596 KB |
ans=YES N=1860 |
58 |
Correct |
4 ms |
588 KB |
ans=YES N=1898 |
59 |
Correct |
3 ms |
596 KB |
ans=YES N=1832 |
60 |
Correct |
4 ms |
584 KB |
ans=YES N=1929 |
61 |
Correct |
4 ms |
508 KB |
ans=YES N=1919 |
62 |
Correct |
3 ms |
600 KB |
ans=YES N=1882 |
63 |
Correct |
3 ms |
588 KB |
ans=YES N=1922 |
64 |
Correct |
3 ms |
596 KB |
ans=YES N=1989 |
65 |
Correct |
2 ms |
596 KB |
ans=YES N=1978 |
66 |
Correct |
3 ms |
596 KB |
ans=YES N=1867 |
67 |
Correct |
4 ms |
596 KB |
ans=YES N=1942 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
340 KB |
ans=NO N=1934 |
2 |
Correct |
2 ms |
440 KB |
ans=NO N=1965 |
3 |
Incorrect |
4 ms |
468 KB |
Contestant's solution is not lexicographically largest at index 1824 (1813 vs 974) |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 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 |
1 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 |
1 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 |
0 ms |
212 KB |
ans=NO N=174 |
22 |
Correct |
1 ms |
212 KB |
ans=YES N=90 |
23 |
Correct |
1 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 |
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 |
212 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 |
320 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 |
1 ms |
456 KB |
ans=NO N=1934 |
45 |
Correct |
1 ms |
340 KB |
ans=NO N=1965 |
46 |
Correct |
3 ms |
468 KB |
ans=YES N=1824 |
47 |
Correct |
4 ms |
588 KB |
ans=YES N=1981 |
48 |
Correct |
3 ms |
592 KB |
ans=YES N=1814 |
49 |
Correct |
4 ms |
588 KB |
ans=YES N=1854 |
50 |
Correct |
4 ms |
596 KB |
ans=YES N=1831 |
51 |
Correct |
4 ms |
588 KB |
ans=YES N=2000 |
52 |
Correct |
3 ms |
508 KB |
ans=YES N=1847 |
53 |
Correct |
4 ms |
596 KB |
ans=YES N=1819 |
54 |
Correct |
4 ms |
584 KB |
ans=YES N=1986 |
55 |
Correct |
4 ms |
596 KB |
ans=YES N=2000 |
56 |
Correct |
3 ms |
596 KB |
ans=YES N=1834 |
57 |
Correct |
3 ms |
596 KB |
ans=YES N=1860 |
58 |
Correct |
4 ms |
588 KB |
ans=YES N=1898 |
59 |
Correct |
3 ms |
596 KB |
ans=YES N=1832 |
60 |
Correct |
4 ms |
584 KB |
ans=YES N=1929 |
61 |
Correct |
4 ms |
508 KB |
ans=YES N=1919 |
62 |
Correct |
3 ms |
600 KB |
ans=YES N=1882 |
63 |
Correct |
3 ms |
588 KB |
ans=YES N=1922 |
64 |
Correct |
3 ms |
596 KB |
ans=YES N=1989 |
65 |
Correct |
2 ms |
596 KB |
ans=YES N=1978 |
66 |
Correct |
3 ms |
596 KB |
ans=YES N=1867 |
67 |
Correct |
4 ms |
596 KB |
ans=YES N=1942 |
68 |
Correct |
145 ms |
9540 KB |
ans=NO N=66151 |
69 |
Correct |
35 ms |
4900 KB |
ans=NO N=64333 |
70 |
Correct |
154 ms |
10176 KB |
ans=YES N=69316 |
71 |
Correct |
143 ms |
9856 KB |
ans=YES N=66695 |
72 |
Correct |
148 ms |
10180 KB |
ans=YES N=68436 |
73 |
Correct |
140 ms |
10308 KB |
ans=YES N=70000 |
74 |
Correct |
147 ms |
10212 KB |
ans=YES N=68501 |
75 |
Correct |
143 ms |
10444 KB |
ans=YES N=70000 |
76 |
Correct |
166 ms |
9780 KB |
ans=YES N=65009 |
77 |
Correct |
123 ms |
9860 KB |
ans=YES N=67007 |
78 |
Correct |
124 ms |
9796 KB |
ans=YES N=66357 |
79 |
Correct |
108 ms |
9644 KB |
ans=YES N=65430 |
80 |
Correct |
112 ms |
9664 KB |
ans=YES N=65790 |
81 |
Correct |
114 ms |
9716 KB |
ans=YES N=66020 |
82 |
Correct |
114 ms |
9640 KB |
ans=YES N=65809 |
83 |
Correct |
130 ms |
9744 KB |
ans=YES N=65651 |
84 |
Correct |
112 ms |
9996 KB |
ans=YES N=68040 |
85 |
Correct |
123 ms |
9900 KB |
ans=YES N=66570 |
86 |
Correct |
128 ms |
9524 KB |
ans=YES N=65421 |
87 |
Correct |
137 ms |
10132 KB |
ans=YES N=68351 |
88 |
Correct |
155 ms |
9908 KB |
ans=YES N=67027 |
89 |
Correct |
90 ms |
10232 KB |
ans=YES N=68879 |
90 |
Correct |
147 ms |
9892 KB |
ans=YES N=67256 |
91 |
Correct |
353 ms |
21536 KB |
ans=YES N=148315 |
92 |
Correct |
92 ms |
10380 KB |
ans=NO N=142745 |
93 |
Correct |
97 ms |
12528 KB |
ans=NO N=148443 |
94 |
Correct |
377 ms |
23276 KB |
ans=YES N=148328 |
95 |
Correct |
361 ms |
23308 KB |
ans=YES N=147855 |
96 |
Correct |
391 ms |
23816 KB |
ans=YES N=150000 |
97 |
Correct |
351 ms |
22820 KB |
ans=YES N=144725 |
98 |
Correct |
379 ms |
23676 KB |
ans=YES N=149445 |
99 |
Correct |
365 ms |
23000 KB |
ans=YES N=144455 |
100 |
Correct |
345 ms |
22624 KB |
ans=YES N=143487 |
101 |
Correct |
365 ms |
23616 KB |
ans=YES N=149688 |
102 |
Correct |
280 ms |
22464 KB |
ans=YES N=141481 |
103 |
Correct |
303 ms |
23252 KB |
ans=YES N=147430 |
104 |
Correct |
295 ms |
22588 KB |
ans=YES N=142247 |
105 |
Correct |
314 ms |
23868 KB |
ans=YES N=149941 |
106 |
Correct |
262 ms |
22572 KB |
ans=YES N=141635 |
107 |
Correct |
284 ms |
22516 KB |
ans=YES N=142896 |
108 |
Correct |
293 ms |
22080 KB |
ans=YES N=142069 |
109 |
Correct |
305 ms |
21824 KB |
ans=YES N=142378 |
110 |
Correct |
292 ms |
23700 KB |
ans=YES N=150000 |
111 |
Correct |
268 ms |
22120 KB |
ans=YES N=141452 |
112 |
Correct |
238 ms |
21252 KB |
ans=YES N=134453 |
113 |
Correct |
243 ms |
22700 KB |
ans=YES N=144172 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
129 ms |
9032 KB |
ans=NO N=66151 |
2 |
Correct |
30 ms |
4328 KB |
ans=NO N=64333 |
3 |
Incorrect |
148 ms |
9664 KB |
Contestant's solution is not lexicographically largest at index 69316 (69235 vs 51180) |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
340 KB |
ans=NO N=1934 |
2 |
Correct |
2 ms |
440 KB |
ans=NO N=1965 |
3 |
Incorrect |
4 ms |
468 KB |
Contestant's solution is not lexicographically largest at index 1824 (1813 vs 974) |
4 |
Halted |
0 ms |
0 KB |
- |