#include <bits/stdc++.h>
using namespace std;
int n,t;
typedef pair<int,int> P;
set<P> s;
map<P,int> mp;
int dx[8]={1,1,0,-1,-1,-1,0,1};
int dy[8]={0,1,1,1,0,-1,-1,-1};
int main() {
scanf("%d %d",&n,&t);
for(int i=0;i<n;i++) {
int x,y;
scanf("%d %d",&x,&y);
s.insert(P(x,y));
mp[P(x,y)]=i+1;
}
P now=*s.begin();
s.erase(now);
priority_queue<P,vector<P>,greater<P>> pq;
pq.push(now);
vector<int> ret;
while (!pq.empty()) {
P now=pq.top();
pq.pop();
ret.push_back(mp[P(now.first,now.second)]);
for(int i=0;i<8;i++) {
int x=now.first+dx[i];
int y=now.second+dy[i];
if (s.find(P(x,y))!=s.end()) {
s.erase(P(x,y));
pq.push(P(x,y));
}
}
}
if (ret.size()!=n) {
printf("NO");
return 0;
}
printf("YES\n");
for(int i=0;i<n;i++) {
printf("%d\n",ret[i]);
}
return 0;
}
Compilation message
skyscrapers.cpp: In function 'int main()':
skyscrapers.cpp:37:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
37 | if (ret.size()!=n) {
| ~~~~~~~~~~^~~
skyscrapers.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
12 | scanf("%d %d",&n,&t);
| ~~~~~^~~~~~~~~~~~~~~
skyscrapers.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
15 | scanf("%d %d",&x,&y);
| ~~~~~^~~~~~~~~~~~~~~
# |
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 |
1 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 |
1 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 |
0 ms |
212 KB |
ans=YES N=10 |
12 |
Correct |
0 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 |
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 |
1 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 |
1 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 |
0 ms |
212 KB |
ans=YES N=10 |
12 |
Correct |
0 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 |
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 |
0 ms |
212 KB |
ans=YES N=100 |
20 |
Correct |
1 ms |
212 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 |
0 ms |
212 KB |
ans=YES N=87 |
25 |
Correct |
1 ms |
212 KB |
ans=YES N=183 |
26 |
Correct |
1 ms |
212 KB |
ans=YES N=188 |
27 |
Correct |
0 ms |
212 KB |
ans=YES N=183 |
28 |
Correct |
1 ms |
212 KB |
ans=YES N=189 |
29 |
Correct |
1 ms |
212 KB |
ans=YES N=200 |
30 |
Correct |
1 ms |
212 KB |
ans=YES N=190 |
31 |
Correct |
1 ms |
212 KB |
ans=YES N=187 |
32 |
Correct |
1 ms |
212 KB |
ans=YES N=187 |
33 |
Correct |
1 ms |
212 KB |
ans=YES N=182 |
34 |
Correct |
1 ms |
212 KB |
ans=YES N=184 |
35 |
Correct |
1 ms |
212 KB |
ans=YES N=188 |
36 |
Correct |
1 ms |
212 KB |
ans=YES N=181 |
37 |
Correct |
1 ms |
212 KB |
ans=YES N=188 |
38 |
Correct |
1 ms |
212 KB |
ans=YES N=191 |
39 |
Correct |
0 ms |
212 KB |
ans=YES N=196 |
40 |
Correct |
0 ms |
212 KB |
ans=YES N=196 |
41 |
Correct |
0 ms |
212 KB |
ans=YES N=196 |
42 |
Correct |
1 ms |
212 KB |
ans=YES N=196 |
43 |
Correct |
1 ms |
212 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 |
1 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 |
1 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 |
0 ms |
212 KB |
ans=YES N=10 |
12 |
Correct |
0 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 |
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 |
0 ms |
212 KB |
ans=YES N=100 |
20 |
Correct |
1 ms |
212 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 |
0 ms |
212 KB |
ans=YES N=87 |
25 |
Correct |
1 ms |
212 KB |
ans=YES N=183 |
26 |
Correct |
1 ms |
212 KB |
ans=YES N=188 |
27 |
Correct |
0 ms |
212 KB |
ans=YES N=183 |
28 |
Correct |
1 ms |
212 KB |
ans=YES N=189 |
29 |
Correct |
1 ms |
212 KB |
ans=YES N=200 |
30 |
Correct |
1 ms |
212 KB |
ans=YES N=190 |
31 |
Correct |
1 ms |
212 KB |
ans=YES N=187 |
32 |
Correct |
1 ms |
212 KB |
ans=YES N=187 |
33 |
Correct |
1 ms |
212 KB |
ans=YES N=182 |
34 |
Correct |
1 ms |
212 KB |
ans=YES N=184 |
35 |
Correct |
1 ms |
212 KB |
ans=YES N=188 |
36 |
Correct |
1 ms |
212 KB |
ans=YES N=181 |
37 |
Correct |
1 ms |
212 KB |
ans=YES N=188 |
38 |
Correct |
1 ms |
212 KB |
ans=YES N=191 |
39 |
Correct |
0 ms |
212 KB |
ans=YES N=196 |
40 |
Correct |
0 ms |
212 KB |
ans=YES N=196 |
41 |
Correct |
0 ms |
212 KB |
ans=YES N=196 |
42 |
Correct |
1 ms |
212 KB |
ans=YES N=196 |
43 |
Correct |
1 ms |
212 KB |
ans=YES N=195 |
44 |
Correct |
2 ms |
468 KB |
ans=NO N=1934 |
45 |
Correct |
2 ms |
468 KB |
ans=NO N=1965 |
46 |
Correct |
2 ms |
500 KB |
ans=YES N=1824 |
47 |
Correct |
3 ms |
468 KB |
ans=YES N=1981 |
48 |
Correct |
2 ms |
468 KB |
ans=YES N=1814 |
49 |
Correct |
3 ms |
468 KB |
ans=YES N=1854 |
50 |
Correct |
2 ms |
468 KB |
ans=YES N=1831 |
51 |
Correct |
2 ms |
468 KB |
ans=YES N=2000 |
52 |
Correct |
3 ms |
468 KB |
ans=YES N=1847 |
53 |
Correct |
3 ms |
468 KB |
ans=YES N=1819 |
54 |
Correct |
2 ms |
468 KB |
ans=YES N=1986 |
55 |
Correct |
3 ms |
468 KB |
ans=YES N=2000 |
56 |
Correct |
4 ms |
468 KB |
ans=YES N=1834 |
57 |
Correct |
3 ms |
468 KB |
ans=YES N=1860 |
58 |
Correct |
3 ms |
468 KB |
ans=YES N=1898 |
59 |
Correct |
2 ms |
512 KB |
ans=YES N=1832 |
60 |
Correct |
3 ms |
468 KB |
ans=YES N=1929 |
61 |
Correct |
3 ms |
468 KB |
ans=YES N=1919 |
62 |
Correct |
3 ms |
468 KB |
ans=YES N=1882 |
63 |
Correct |
3 ms |
468 KB |
ans=YES N=1922 |
64 |
Correct |
4 ms |
468 KB |
ans=YES N=1989 |
65 |
Correct |
2 ms |
468 KB |
ans=YES N=1978 |
66 |
Correct |
2 ms |
468 KB |
ans=YES N=1867 |
67 |
Correct |
3 ms |
468 KB |
ans=YES N=1942 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
468 KB |
ans=NO N=1934 |
2 |
Correct |
2 ms |
468 KB |
ans=NO N=1965 |
3 |
Incorrect |
2 ms |
468 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 |
1 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 |
1 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 |
0 ms |
212 KB |
ans=YES N=10 |
12 |
Correct |
0 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 |
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 |
0 ms |
212 KB |
ans=YES N=100 |
20 |
Correct |
1 ms |
212 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 |
0 ms |
212 KB |
ans=YES N=87 |
25 |
Correct |
1 ms |
212 KB |
ans=YES N=183 |
26 |
Correct |
1 ms |
212 KB |
ans=YES N=188 |
27 |
Correct |
0 ms |
212 KB |
ans=YES N=183 |
28 |
Correct |
1 ms |
212 KB |
ans=YES N=189 |
29 |
Correct |
1 ms |
212 KB |
ans=YES N=200 |
30 |
Correct |
1 ms |
212 KB |
ans=YES N=190 |
31 |
Correct |
1 ms |
212 KB |
ans=YES N=187 |
32 |
Correct |
1 ms |
212 KB |
ans=YES N=187 |
33 |
Correct |
1 ms |
212 KB |
ans=YES N=182 |
34 |
Correct |
1 ms |
212 KB |
ans=YES N=184 |
35 |
Correct |
1 ms |
212 KB |
ans=YES N=188 |
36 |
Correct |
1 ms |
212 KB |
ans=YES N=181 |
37 |
Correct |
1 ms |
212 KB |
ans=YES N=188 |
38 |
Correct |
1 ms |
212 KB |
ans=YES N=191 |
39 |
Correct |
0 ms |
212 KB |
ans=YES N=196 |
40 |
Correct |
0 ms |
212 KB |
ans=YES N=196 |
41 |
Correct |
0 ms |
212 KB |
ans=YES N=196 |
42 |
Correct |
1 ms |
212 KB |
ans=YES N=196 |
43 |
Correct |
1 ms |
212 KB |
ans=YES N=195 |
44 |
Correct |
2 ms |
468 KB |
ans=NO N=1934 |
45 |
Correct |
2 ms |
468 KB |
ans=NO N=1965 |
46 |
Correct |
2 ms |
500 KB |
ans=YES N=1824 |
47 |
Correct |
3 ms |
468 KB |
ans=YES N=1981 |
48 |
Correct |
2 ms |
468 KB |
ans=YES N=1814 |
49 |
Correct |
3 ms |
468 KB |
ans=YES N=1854 |
50 |
Correct |
2 ms |
468 KB |
ans=YES N=1831 |
51 |
Correct |
2 ms |
468 KB |
ans=YES N=2000 |
52 |
Correct |
3 ms |
468 KB |
ans=YES N=1847 |
53 |
Correct |
3 ms |
468 KB |
ans=YES N=1819 |
54 |
Correct |
2 ms |
468 KB |
ans=YES N=1986 |
55 |
Correct |
3 ms |
468 KB |
ans=YES N=2000 |
56 |
Correct |
4 ms |
468 KB |
ans=YES N=1834 |
57 |
Correct |
3 ms |
468 KB |
ans=YES N=1860 |
58 |
Correct |
3 ms |
468 KB |
ans=YES N=1898 |
59 |
Correct |
2 ms |
512 KB |
ans=YES N=1832 |
60 |
Correct |
3 ms |
468 KB |
ans=YES N=1929 |
61 |
Correct |
3 ms |
468 KB |
ans=YES N=1919 |
62 |
Correct |
3 ms |
468 KB |
ans=YES N=1882 |
63 |
Correct |
3 ms |
468 KB |
ans=YES N=1922 |
64 |
Correct |
4 ms |
468 KB |
ans=YES N=1989 |
65 |
Correct |
2 ms |
468 KB |
ans=YES N=1978 |
66 |
Correct |
2 ms |
468 KB |
ans=YES N=1867 |
67 |
Correct |
3 ms |
468 KB |
ans=YES N=1942 |
68 |
Correct |
100 ms |
8084 KB |
ans=NO N=66151 |
69 |
Correct |
62 ms |
7268 KB |
ans=NO N=64333 |
70 |
Correct |
103 ms |
8616 KB |
ans=YES N=69316 |
71 |
Correct |
113 ms |
8372 KB |
ans=YES N=66695 |
72 |
Correct |
107 ms |
8624 KB |
ans=YES N=68436 |
73 |
Correct |
93 ms |
8772 KB |
ans=YES N=70000 |
74 |
Correct |
120 ms |
8516 KB |
ans=YES N=68501 |
75 |
Correct |
97 ms |
8712 KB |
ans=YES N=70000 |
76 |
Correct |
88 ms |
8072 KB |
ans=YES N=65009 |
77 |
Correct |
117 ms |
8416 KB |
ans=YES N=67007 |
78 |
Correct |
105 ms |
8380 KB |
ans=YES N=66357 |
79 |
Correct |
103 ms |
8136 KB |
ans=YES N=65430 |
80 |
Correct |
115 ms |
8236 KB |
ans=YES N=65790 |
81 |
Correct |
100 ms |
8184 KB |
ans=YES N=66020 |
82 |
Correct |
103 ms |
8268 KB |
ans=YES N=65809 |
83 |
Correct |
106 ms |
8256 KB |
ans=YES N=65651 |
84 |
Correct |
137 ms |
8468 KB |
ans=YES N=68040 |
85 |
Correct |
144 ms |
8300 KB |
ans=YES N=66570 |
86 |
Correct |
99 ms |
8208 KB |
ans=YES N=65421 |
87 |
Correct |
100 ms |
8564 KB |
ans=YES N=68351 |
88 |
Correct |
91 ms |
8396 KB |
ans=YES N=67027 |
89 |
Correct |
93 ms |
8556 KB |
ans=YES N=68879 |
90 |
Correct |
114 ms |
8452 KB |
ans=YES N=67256 |
91 |
Correct |
302 ms |
18236 KB |
ans=YES N=148315 |
92 |
Correct |
159 ms |
15976 KB |
ans=NO N=142745 |
93 |
Correct |
213 ms |
16436 KB |
ans=NO N=148443 |
94 |
Correct |
247 ms |
18068 KB |
ans=YES N=148328 |
95 |
Correct |
297 ms |
18096 KB |
ans=YES N=147855 |
96 |
Correct |
297 ms |
18416 KB |
ans=YES N=150000 |
97 |
Correct |
262 ms |
17700 KB |
ans=YES N=144725 |
98 |
Correct |
269 ms |
18316 KB |
ans=YES N=149445 |
99 |
Correct |
259 ms |
17668 KB |
ans=YES N=144455 |
100 |
Correct |
246 ms |
17600 KB |
ans=YES N=143487 |
101 |
Correct |
277 ms |
18320 KB |
ans=YES N=149688 |
102 |
Correct |
259 ms |
17332 KB |
ans=YES N=141481 |
103 |
Correct |
319 ms |
17968 KB |
ans=YES N=147430 |
104 |
Correct |
264 ms |
17568 KB |
ans=YES N=142247 |
105 |
Correct |
269 ms |
18368 KB |
ans=YES N=149941 |
106 |
Correct |
262 ms |
17296 KB |
ans=YES N=141635 |
107 |
Correct |
290 ms |
17456 KB |
ans=YES N=142896 |
108 |
Correct |
270 ms |
17476 KB |
ans=YES N=142069 |
109 |
Correct |
241 ms |
17568 KB |
ans=YES N=142378 |
110 |
Correct |
295 ms |
18272 KB |
ans=YES N=150000 |
111 |
Correct |
270 ms |
17308 KB |
ans=YES N=141452 |
112 |
Correct |
224 ms |
16444 KB |
ans=YES N=134453 |
113 |
Correct |
255 ms |
17652 KB |
ans=YES N=144172 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
90 ms |
8148 KB |
ans=NO N=66151 |
2 |
Correct |
58 ms |
7404 KB |
ans=NO N=64333 |
3 |
Incorrect |
102 ms |
8792 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 |
2 ms |
468 KB |
ans=NO N=1934 |
2 |
Correct |
2 ms |
468 KB |
ans=NO N=1965 |
3 |
Incorrect |
2 ms |
468 KB |
Contestant's solution is not lexicographically largest at index 1824 (1813 vs 1702) |
4 |
Halted |
0 ms |
0 KB |
- |