#include<bits/stdc++.h>
#define int long long
#define endl '\n'
#define mod 1000000007
#define boost ios_base::sync_with_stdio(false), cin.tie(NULL);
using namespace std;
int xx[] = {-1,-1,-1,0,1,1,1,0}, yy[] = {-1,0,1,1,1,0,-1,-1};
signed main(){
boost;
int n,t; cin >> n >> t;
vector<pair<int,pair<int,int>>>d(n);
vector<int>ans;
map<pair<int,int>,int>o;
for(int i = 0; i < n; i++){
cin >> d[i].first >> d[i].second.first;
d[i].second.second = i + 1;
o[{d[i].first,d[i].second.first}] = i + 1;
}
int x = -1e18, y = -1e18, j = 0;
set<pair<int,pair<int,int>>>c;
set<pair<int,int>>a;
for(int i = 0; i < n; i++){
if(d[i].first > x){
x = d[i].first;
y = d[i].second.first;
j = i + 1;
}else if(d[i].first == x && d[i].second.first > y){
x = d[i].first;
y = d[i].second.first;
j = i + 1;
}
a.insert({d[i].first,d[i].second.first});
}
a.erase({x,y});
c.insert({x,{y,j}});
while(c.size()){
auto f = *c.begin();
ans.push_back(f.second.second);
c.erase(c.begin());
for(int i = 0; i < 8; i++){
int aa = f.first + xx[i], b = f.second.first + yy[i];
if(!a.count({aa,b})) continue;
c.insert({aa,{b,o[{aa,b}]}});
a.erase({aa,b});
}
}
if(ans.size() < n){
cout << "NO";
return 0;
}
cout << "YES" << endl;
for(int i = 0; i < n ;i++){
cout << ans[i] << endl;
}
return 0;
}
Compilation message
skyscrapers.cpp: In function 'int main()':
skyscrapers.cpp:56:19: 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]
56 | 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 |
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 |
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 |
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 |
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 |
1 ms |
212 KB |
ans=YES N=25 |
19 |
Correct |
0 ms |
212 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 |
0 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 |
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 |
0 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 |
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 |
1 ms |
212 KB |
ans=YES N=25 |
19 |
Correct |
0 ms |
212 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 |
0 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 |
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 |
0 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 |
1 ms |
596 KB |
ans=NO N=1965 |
46 |
Correct |
3 ms |
596 KB |
ans=YES N=1824 |
47 |
Correct |
2 ms |
596 KB |
ans=YES N=1981 |
48 |
Correct |
2 ms |
596 KB |
ans=YES N=1814 |
49 |
Correct |
3 ms |
596 KB |
ans=YES N=1854 |
50 |
Correct |
3 ms |
596 KB |
ans=YES N=1831 |
51 |
Correct |
3 ms |
596 KB |
ans=YES N=2000 |
52 |
Correct |
3 ms |
596 KB |
ans=YES N=1847 |
53 |
Correct |
3 ms |
596 KB |
ans=YES N=1819 |
54 |
Correct |
3 ms |
596 KB |
ans=YES N=1986 |
55 |
Correct |
3 ms |
596 KB |
ans=YES N=2000 |
56 |
Correct |
3 ms |
624 KB |
ans=YES N=1834 |
57 |
Correct |
3 ms |
596 KB |
ans=YES N=1860 |
58 |
Correct |
3 ms |
596 KB |
ans=YES N=1898 |
59 |
Correct |
3 ms |
596 KB |
ans=YES N=1832 |
60 |
Correct |
3 ms |
596 KB |
ans=YES N=1929 |
61 |
Correct |
3 ms |
596 KB |
ans=YES N=1919 |
62 |
Correct |
3 ms |
636 KB |
ans=YES N=1882 |
63 |
Correct |
3 ms |
596 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 |
2 ms |
596 KB |
ans=YES N=1867 |
67 |
Correct |
3 ms |
596 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 |
596 KB |
ans=NO N=1965 |
3 |
Incorrect |
2 ms |
596 KB |
Contestant's solution is not lexicographically largest at index 1824 (1813 vs 280) |
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 |
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 |
1 ms |
212 KB |
ans=YES N=25 |
19 |
Correct |
0 ms |
212 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 |
0 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 |
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 |
0 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 |
1 ms |
596 KB |
ans=NO N=1965 |
46 |
Correct |
3 ms |
596 KB |
ans=YES N=1824 |
47 |
Correct |
2 ms |
596 KB |
ans=YES N=1981 |
48 |
Correct |
2 ms |
596 KB |
ans=YES N=1814 |
49 |
Correct |
3 ms |
596 KB |
ans=YES N=1854 |
50 |
Correct |
3 ms |
596 KB |
ans=YES N=1831 |
51 |
Correct |
3 ms |
596 KB |
ans=YES N=2000 |
52 |
Correct |
3 ms |
596 KB |
ans=YES N=1847 |
53 |
Correct |
3 ms |
596 KB |
ans=YES N=1819 |
54 |
Correct |
3 ms |
596 KB |
ans=YES N=1986 |
55 |
Correct |
3 ms |
596 KB |
ans=YES N=2000 |
56 |
Correct |
3 ms |
624 KB |
ans=YES N=1834 |
57 |
Correct |
3 ms |
596 KB |
ans=YES N=1860 |
58 |
Correct |
3 ms |
596 KB |
ans=YES N=1898 |
59 |
Correct |
3 ms |
596 KB |
ans=YES N=1832 |
60 |
Correct |
3 ms |
596 KB |
ans=YES N=1929 |
61 |
Correct |
3 ms |
596 KB |
ans=YES N=1919 |
62 |
Correct |
3 ms |
636 KB |
ans=YES N=1882 |
63 |
Correct |
3 ms |
596 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 |
2 ms |
596 KB |
ans=YES N=1867 |
67 |
Correct |
3 ms |
596 KB |
ans=YES N=1942 |
68 |
Correct |
97 ms |
11296 KB |
ans=NO N=66151 |
69 |
Correct |
53 ms |
9828 KB |
ans=NO N=64333 |
70 |
Correct |
98 ms |
11756 KB |
ans=YES N=69316 |
71 |
Correct |
99 ms |
11384 KB |
ans=YES N=66695 |
72 |
Correct |
97 ms |
11572 KB |
ans=YES N=68436 |
73 |
Correct |
101 ms |
11844 KB |
ans=YES N=70000 |
74 |
Correct |
108 ms |
11612 KB |
ans=YES N=68501 |
75 |
Correct |
99 ms |
11784 KB |
ans=YES N=70000 |
76 |
Correct |
92 ms |
10884 KB |
ans=YES N=65009 |
77 |
Correct |
110 ms |
11468 KB |
ans=YES N=67007 |
78 |
Correct |
110 ms |
11332 KB |
ans=YES N=66357 |
79 |
Correct |
109 ms |
11036 KB |
ans=YES N=65430 |
80 |
Correct |
109 ms |
11216 KB |
ans=YES N=65790 |
81 |
Correct |
107 ms |
11272 KB |
ans=YES N=66020 |
82 |
Correct |
102 ms |
11204 KB |
ans=YES N=65809 |
83 |
Correct |
99 ms |
11120 KB |
ans=YES N=65651 |
84 |
Correct |
111 ms |
11520 KB |
ans=YES N=68040 |
85 |
Correct |
109 ms |
11336 KB |
ans=YES N=66570 |
86 |
Correct |
93 ms |
11000 KB |
ans=YES N=65421 |
87 |
Correct |
104 ms |
11588 KB |
ans=YES N=68351 |
88 |
Correct |
95 ms |
11344 KB |
ans=YES N=67027 |
89 |
Correct |
87 ms |
11684 KB |
ans=YES N=68879 |
90 |
Correct |
95 ms |
11468 KB |
ans=YES N=67256 |
91 |
Correct |
247 ms |
24592 KB |
ans=YES N=148315 |
92 |
Correct |
149 ms |
21452 KB |
ans=NO N=142745 |
93 |
Correct |
151 ms |
22312 KB |
ans=NO N=148443 |
94 |
Correct |
253 ms |
24512 KB |
ans=YES N=148328 |
95 |
Correct |
265 ms |
24416 KB |
ans=YES N=147855 |
96 |
Correct |
257 ms |
24840 KB |
ans=YES N=150000 |
97 |
Correct |
246 ms |
24004 KB |
ans=YES N=144725 |
98 |
Correct |
251 ms |
24768 KB |
ans=YES N=149445 |
99 |
Correct |
259 ms |
23956 KB |
ans=YES N=144455 |
100 |
Correct |
240 ms |
23752 KB |
ans=YES N=143487 |
101 |
Correct |
256 ms |
24876 KB |
ans=YES N=149688 |
102 |
Correct |
271 ms |
23496 KB |
ans=YES N=141481 |
103 |
Correct |
288 ms |
24436 KB |
ans=YES N=147430 |
104 |
Correct |
264 ms |
23620 KB |
ans=YES N=142247 |
105 |
Correct |
279 ms |
24800 KB |
ans=YES N=149941 |
106 |
Correct |
280 ms |
23472 KB |
ans=YES N=141635 |
107 |
Correct |
277 ms |
23708 KB |
ans=YES N=142896 |
108 |
Correct |
284 ms |
23572 KB |
ans=YES N=142069 |
109 |
Correct |
270 ms |
23568 KB |
ans=YES N=142378 |
110 |
Correct |
278 ms |
24912 KB |
ans=YES N=150000 |
111 |
Correct |
262 ms |
23540 KB |
ans=YES N=141452 |
112 |
Correct |
231 ms |
22464 KB |
ans=YES N=134453 |
113 |
Correct |
223 ms |
23920 KB |
ans=YES N=144172 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
101 ms |
11372 KB |
ans=NO N=66151 |
2 |
Correct |
53 ms |
9860 KB |
ans=NO N=64333 |
3 |
Incorrect |
107 ms |
11748 KB |
Contestant's solution is not lexicographically largest at index 69316 (69235 vs 13970) |
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 |
596 KB |
ans=NO N=1965 |
3 |
Incorrect |
2 ms |
596 KB |
Contestant's solution is not lexicographically largest at index 1824 (1813 vs 280) |
4 |
Halted |
0 ms |
0 KB |
- |