#define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#include <bits/stdc++.h>
using namespace std;
#define sqr 340
#define mp make_pair
#define mid (l+r)/2
#define le node * 2
#define ri node * 2 + 1
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define ins insert
#define era erase
#define C continue
#define mem(dp,i) memset(dp,i,sizeof(dp))
#define mset multiset
#define all(x) x.begin(), x.end()
#define gc getchar_unlocked
typedef long long ll;
typedef short int si;
typedef long double ld;
typedef pair<int,int> pi;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pi> vpi;
typedef vector<pll> vpll;
typedef pair<double,ll>pdi;
const ll inf=1e18;
const ll Mod=1e9+7;
const ld Pi=acos(-1) ;
int n , t , yes = 0 , num = 0 ;
vi ans ;
map < pi , int > Node , who , done , crnt ;
map < int , pi > id ;
int X [] = { 0 , 1 , 1 , 1 , 0 , -1 , -1 , -1 } ;
int Y [] = { 1 , 1 , 0 , -1 , -1 , -1 , 0 , 1 } ;
void bfs ( int stx , int sty ) {
done .clear () ;
ans .clear () ;
done [mp(stx,sty)] = 1 ;
set < pi > q ;
q .ins ( { stx , sty } ) ;
while ( q .size () ) {
pi ret = *q .begin () ;
q .era (ret) ;
ans .pb ( who [ret] ) ;
for ( int i = 0 ; i < 8 ; i ++ ) {
int nx = ret.fi + X [i] ;
int ny = ret.se + Y [i] ;
if ( done [mp(nx,ny)] ) C ;
if ( ! Node [mp(nx,ny)] ) C ;
done [mp(nx,ny)] = 1 ;
q .ins ( { nx , ny } ) ;
}
}
if ( ans .size () != n ) cout << "NO" << endl ;
else {
cout << "YES" << endl ;
for ( auto u : ans ) cout << u + 1 << endl ;
}
}
int main () {
cin >> n >> t ;
for ( int i = 0 ; i < n ; i ++ ) {
int x , y ;
cin >> x >> y ;
Node [ mp ( x , y ) ] = 1 ;
who [ mp ( x , y ) ] = i ;
id [i] = mp ( x , y ) ;
}
bfs ( id [0] .fi , id [0] .se ) ;
}
Compilation message
skyscrapers.cpp: In function 'void bfs(int, int)':
skyscrapers.cpp:60:27: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
60 | if ( ans .size () != n ) cout << "NO" << endl ;
| ~~~~~~~~~~~~~^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
256 KB |
ans=YES N=1 |
2 |
Correct |
0 ms |
256 KB |
ans=YES N=4 |
3 |
Correct |
0 ms |
256 KB |
ans=NO N=4 |
4 |
Correct |
1 ms |
308 KB |
ans=YES N=5 |
5 |
Correct |
0 ms |
256 KB |
ans=YES N=9 |
6 |
Correct |
0 ms |
256 KB |
ans=YES N=5 |
7 |
Correct |
0 ms |
256 KB |
ans=NO N=9 |
8 |
Correct |
0 ms |
256 KB |
ans=NO N=10 |
9 |
Correct |
1 ms |
256 KB |
ans=YES N=10 |
10 |
Correct |
1 ms |
256 KB |
ans=YES N=10 |
11 |
Correct |
1 ms |
256 KB |
ans=YES N=10 |
12 |
Correct |
0 ms |
256 KB |
ans=YES N=9 |
13 |
Correct |
0 ms |
256 KB |
ans=YES N=9 |
14 |
Correct |
1 ms |
256 KB |
ans=YES N=8 |
15 |
Correct |
0 ms |
256 KB |
ans=YES N=8 |
16 |
Correct |
0 ms |
256 KB |
ans=NO N=2 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
256 KB |
ans=YES N=1 |
2 |
Correct |
0 ms |
256 KB |
ans=YES N=4 |
3 |
Correct |
0 ms |
256 KB |
ans=NO N=4 |
4 |
Correct |
1 ms |
308 KB |
ans=YES N=5 |
5 |
Correct |
0 ms |
256 KB |
ans=YES N=9 |
6 |
Correct |
0 ms |
256 KB |
ans=YES N=5 |
7 |
Correct |
0 ms |
256 KB |
ans=NO N=9 |
8 |
Correct |
0 ms |
256 KB |
ans=NO N=10 |
9 |
Correct |
1 ms |
256 KB |
ans=YES N=10 |
10 |
Correct |
1 ms |
256 KB |
ans=YES N=10 |
11 |
Correct |
1 ms |
256 KB |
ans=YES N=10 |
12 |
Correct |
0 ms |
256 KB |
ans=YES N=9 |
13 |
Correct |
0 ms |
256 KB |
ans=YES N=9 |
14 |
Correct |
1 ms |
256 KB |
ans=YES N=8 |
15 |
Correct |
0 ms |
256 KB |
ans=YES N=8 |
16 |
Correct |
0 ms |
256 KB |
ans=NO N=2 |
17 |
Correct |
0 ms |
256 KB |
ans=YES N=17 |
18 |
Correct |
1 ms |
256 KB |
ans=YES N=25 |
19 |
Correct |
1 ms |
384 KB |
ans=YES N=100 |
20 |
Correct |
1 ms |
384 KB |
ans=YES N=185 |
21 |
Correct |
1 ms |
384 KB |
ans=NO N=174 |
22 |
Correct |
1 ms |
384 KB |
ans=YES N=90 |
23 |
Correct |
1 ms |
384 KB |
ans=YES N=63 |
24 |
Correct |
1 ms |
384 KB |
ans=YES N=87 |
25 |
Correct |
1 ms |
384 KB |
ans=YES N=183 |
26 |
Correct |
2 ms |
384 KB |
ans=YES N=188 |
27 |
Correct |
2 ms |
384 KB |
ans=YES N=183 |
28 |
Correct |
1 ms |
384 KB |
ans=YES N=189 |
29 |
Correct |
2 ms |
384 KB |
ans=YES N=200 |
30 |
Correct |
2 ms |
384 KB |
ans=YES N=190 |
31 |
Correct |
2 ms |
384 KB |
ans=YES N=187 |
32 |
Correct |
2 ms |
384 KB |
ans=YES N=187 |
33 |
Correct |
2 ms |
384 KB |
ans=YES N=182 |
34 |
Correct |
2 ms |
384 KB |
ans=YES N=184 |
35 |
Correct |
2 ms |
384 KB |
ans=YES N=188 |
36 |
Correct |
2 ms |
384 KB |
ans=YES N=181 |
37 |
Correct |
2 ms |
384 KB |
ans=YES N=188 |
38 |
Correct |
2 ms |
384 KB |
ans=YES N=191 |
39 |
Correct |
2 ms |
384 KB |
ans=YES N=196 |
40 |
Correct |
1 ms |
384 KB |
ans=YES N=196 |
41 |
Correct |
1 ms |
384 KB |
ans=YES N=196 |
42 |
Correct |
1 ms |
384 KB |
ans=YES N=196 |
43 |
Correct |
2 ms |
384 KB |
ans=YES N=195 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
256 KB |
ans=YES N=1 |
2 |
Correct |
0 ms |
256 KB |
ans=YES N=4 |
3 |
Correct |
0 ms |
256 KB |
ans=NO N=4 |
4 |
Correct |
1 ms |
308 KB |
ans=YES N=5 |
5 |
Correct |
0 ms |
256 KB |
ans=YES N=9 |
6 |
Correct |
0 ms |
256 KB |
ans=YES N=5 |
7 |
Correct |
0 ms |
256 KB |
ans=NO N=9 |
8 |
Correct |
0 ms |
256 KB |
ans=NO N=10 |
9 |
Correct |
1 ms |
256 KB |
ans=YES N=10 |
10 |
Correct |
1 ms |
256 KB |
ans=YES N=10 |
11 |
Correct |
1 ms |
256 KB |
ans=YES N=10 |
12 |
Correct |
0 ms |
256 KB |
ans=YES N=9 |
13 |
Correct |
0 ms |
256 KB |
ans=YES N=9 |
14 |
Correct |
1 ms |
256 KB |
ans=YES N=8 |
15 |
Correct |
0 ms |
256 KB |
ans=YES N=8 |
16 |
Correct |
0 ms |
256 KB |
ans=NO N=2 |
17 |
Correct |
0 ms |
256 KB |
ans=YES N=17 |
18 |
Correct |
1 ms |
256 KB |
ans=YES N=25 |
19 |
Correct |
1 ms |
384 KB |
ans=YES N=100 |
20 |
Correct |
1 ms |
384 KB |
ans=YES N=185 |
21 |
Correct |
1 ms |
384 KB |
ans=NO N=174 |
22 |
Correct |
1 ms |
384 KB |
ans=YES N=90 |
23 |
Correct |
1 ms |
384 KB |
ans=YES N=63 |
24 |
Correct |
1 ms |
384 KB |
ans=YES N=87 |
25 |
Correct |
1 ms |
384 KB |
ans=YES N=183 |
26 |
Correct |
2 ms |
384 KB |
ans=YES N=188 |
27 |
Correct |
2 ms |
384 KB |
ans=YES N=183 |
28 |
Correct |
1 ms |
384 KB |
ans=YES N=189 |
29 |
Correct |
2 ms |
384 KB |
ans=YES N=200 |
30 |
Correct |
2 ms |
384 KB |
ans=YES N=190 |
31 |
Correct |
2 ms |
384 KB |
ans=YES N=187 |
32 |
Correct |
2 ms |
384 KB |
ans=YES N=187 |
33 |
Correct |
2 ms |
384 KB |
ans=YES N=182 |
34 |
Correct |
2 ms |
384 KB |
ans=YES N=184 |
35 |
Correct |
2 ms |
384 KB |
ans=YES N=188 |
36 |
Correct |
2 ms |
384 KB |
ans=YES N=181 |
37 |
Correct |
2 ms |
384 KB |
ans=YES N=188 |
38 |
Correct |
2 ms |
384 KB |
ans=YES N=191 |
39 |
Correct |
2 ms |
384 KB |
ans=YES N=196 |
40 |
Correct |
1 ms |
384 KB |
ans=YES N=196 |
41 |
Correct |
1 ms |
384 KB |
ans=YES N=196 |
42 |
Correct |
1 ms |
384 KB |
ans=YES N=196 |
43 |
Correct |
2 ms |
384 KB |
ans=YES N=195 |
44 |
Correct |
5 ms |
768 KB |
ans=NO N=1934 |
45 |
Correct |
4 ms |
768 KB |
ans=NO N=1965 |
46 |
Correct |
9 ms |
896 KB |
ans=YES N=1824 |
47 |
Correct |
11 ms |
896 KB |
ans=YES N=1981 |
48 |
Correct |
10 ms |
896 KB |
ans=YES N=1814 |
49 |
Correct |
11 ms |
896 KB |
ans=YES N=1854 |
50 |
Correct |
11 ms |
896 KB |
ans=YES N=1831 |
51 |
Correct |
13 ms |
1024 KB |
ans=YES N=2000 |
52 |
Correct |
13 ms |
1024 KB |
ans=YES N=1847 |
53 |
Correct |
15 ms |
1152 KB |
ans=YES N=1819 |
54 |
Correct |
14 ms |
1024 KB |
ans=YES N=1986 |
55 |
Correct |
14 ms |
1348 KB |
ans=YES N=2000 |
56 |
Correct |
14 ms |
1408 KB |
ans=YES N=1834 |
57 |
Correct |
14 ms |
1408 KB |
ans=YES N=1860 |
58 |
Correct |
14 ms |
1536 KB |
ans=YES N=1898 |
59 |
Correct |
13 ms |
1280 KB |
ans=YES N=1832 |
60 |
Correct |
17 ms |
1536 KB |
ans=YES N=1929 |
61 |
Correct |
12 ms |
1024 KB |
ans=YES N=1919 |
62 |
Correct |
16 ms |
1280 KB |
ans=YES N=1882 |
63 |
Correct |
14 ms |
1792 KB |
ans=YES N=1922 |
64 |
Correct |
11 ms |
1016 KB |
ans=YES N=1989 |
65 |
Correct |
12 ms |
1280 KB |
ans=YES N=1978 |
66 |
Correct |
11 ms |
1280 KB |
ans=YES N=1867 |
67 |
Correct |
13 ms |
1280 KB |
ans=YES N=1942 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
640 KB |
ans=NO N=1934 |
2 |
Correct |
4 ms |
768 KB |
ans=NO N=1965 |
3 |
Incorrect |
9 ms |
768 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 |
256 KB |
ans=YES N=1 |
2 |
Correct |
0 ms |
256 KB |
ans=YES N=4 |
3 |
Correct |
0 ms |
256 KB |
ans=NO N=4 |
4 |
Correct |
1 ms |
308 KB |
ans=YES N=5 |
5 |
Correct |
0 ms |
256 KB |
ans=YES N=9 |
6 |
Correct |
0 ms |
256 KB |
ans=YES N=5 |
7 |
Correct |
0 ms |
256 KB |
ans=NO N=9 |
8 |
Correct |
0 ms |
256 KB |
ans=NO N=10 |
9 |
Correct |
1 ms |
256 KB |
ans=YES N=10 |
10 |
Correct |
1 ms |
256 KB |
ans=YES N=10 |
11 |
Correct |
1 ms |
256 KB |
ans=YES N=10 |
12 |
Correct |
0 ms |
256 KB |
ans=YES N=9 |
13 |
Correct |
0 ms |
256 KB |
ans=YES N=9 |
14 |
Correct |
1 ms |
256 KB |
ans=YES N=8 |
15 |
Correct |
0 ms |
256 KB |
ans=YES N=8 |
16 |
Correct |
0 ms |
256 KB |
ans=NO N=2 |
17 |
Correct |
0 ms |
256 KB |
ans=YES N=17 |
18 |
Correct |
1 ms |
256 KB |
ans=YES N=25 |
19 |
Correct |
1 ms |
384 KB |
ans=YES N=100 |
20 |
Correct |
1 ms |
384 KB |
ans=YES N=185 |
21 |
Correct |
1 ms |
384 KB |
ans=NO N=174 |
22 |
Correct |
1 ms |
384 KB |
ans=YES N=90 |
23 |
Correct |
1 ms |
384 KB |
ans=YES N=63 |
24 |
Correct |
1 ms |
384 KB |
ans=YES N=87 |
25 |
Correct |
1 ms |
384 KB |
ans=YES N=183 |
26 |
Correct |
2 ms |
384 KB |
ans=YES N=188 |
27 |
Correct |
2 ms |
384 KB |
ans=YES N=183 |
28 |
Correct |
1 ms |
384 KB |
ans=YES N=189 |
29 |
Correct |
2 ms |
384 KB |
ans=YES N=200 |
30 |
Correct |
2 ms |
384 KB |
ans=YES N=190 |
31 |
Correct |
2 ms |
384 KB |
ans=YES N=187 |
32 |
Correct |
2 ms |
384 KB |
ans=YES N=187 |
33 |
Correct |
2 ms |
384 KB |
ans=YES N=182 |
34 |
Correct |
2 ms |
384 KB |
ans=YES N=184 |
35 |
Correct |
2 ms |
384 KB |
ans=YES N=188 |
36 |
Correct |
2 ms |
384 KB |
ans=YES N=181 |
37 |
Correct |
2 ms |
384 KB |
ans=YES N=188 |
38 |
Correct |
2 ms |
384 KB |
ans=YES N=191 |
39 |
Correct |
2 ms |
384 KB |
ans=YES N=196 |
40 |
Correct |
1 ms |
384 KB |
ans=YES N=196 |
41 |
Correct |
1 ms |
384 KB |
ans=YES N=196 |
42 |
Correct |
1 ms |
384 KB |
ans=YES N=196 |
43 |
Correct |
2 ms |
384 KB |
ans=YES N=195 |
44 |
Correct |
5 ms |
768 KB |
ans=NO N=1934 |
45 |
Correct |
4 ms |
768 KB |
ans=NO N=1965 |
46 |
Correct |
9 ms |
896 KB |
ans=YES N=1824 |
47 |
Correct |
11 ms |
896 KB |
ans=YES N=1981 |
48 |
Correct |
10 ms |
896 KB |
ans=YES N=1814 |
49 |
Correct |
11 ms |
896 KB |
ans=YES N=1854 |
50 |
Correct |
11 ms |
896 KB |
ans=YES N=1831 |
51 |
Correct |
13 ms |
1024 KB |
ans=YES N=2000 |
52 |
Correct |
13 ms |
1024 KB |
ans=YES N=1847 |
53 |
Correct |
15 ms |
1152 KB |
ans=YES N=1819 |
54 |
Correct |
14 ms |
1024 KB |
ans=YES N=1986 |
55 |
Correct |
14 ms |
1348 KB |
ans=YES N=2000 |
56 |
Correct |
14 ms |
1408 KB |
ans=YES N=1834 |
57 |
Correct |
14 ms |
1408 KB |
ans=YES N=1860 |
58 |
Correct |
14 ms |
1536 KB |
ans=YES N=1898 |
59 |
Correct |
13 ms |
1280 KB |
ans=YES N=1832 |
60 |
Correct |
17 ms |
1536 KB |
ans=YES N=1929 |
61 |
Correct |
12 ms |
1024 KB |
ans=YES N=1919 |
62 |
Correct |
16 ms |
1280 KB |
ans=YES N=1882 |
63 |
Correct |
14 ms |
1792 KB |
ans=YES N=1922 |
64 |
Correct |
11 ms |
1016 KB |
ans=YES N=1989 |
65 |
Correct |
12 ms |
1280 KB |
ans=YES N=1978 |
66 |
Correct |
11 ms |
1280 KB |
ans=YES N=1867 |
67 |
Correct |
13 ms |
1280 KB |
ans=YES N=1942 |
68 |
Correct |
275 ms |
22596 KB |
ans=NO N=66151 |
69 |
Correct |
152 ms |
12920 KB |
ans=NO N=64333 |
70 |
Correct |
410 ms |
19356 KB |
ans=YES N=69316 |
71 |
Correct |
383 ms |
18672 KB |
ans=YES N=66695 |
72 |
Correct |
463 ms |
19184 KB |
ans=YES N=68436 |
73 |
Correct |
426 ms |
19828 KB |
ans=YES N=70000 |
74 |
Correct |
429 ms |
19464 KB |
ans=YES N=68501 |
75 |
Correct |
441 ms |
20208 KB |
ans=YES N=70000 |
76 |
Correct |
424 ms |
20596 KB |
ans=YES N=65009 |
77 |
Correct |
478 ms |
29520 KB |
ans=YES N=67007 |
78 |
Correct |
475 ms |
33392 KB |
ans=YES N=66357 |
79 |
Correct |
481 ms |
36468 KB |
ans=YES N=65430 |
80 |
Correct |
480 ms |
35312 KB |
ans=YES N=65790 |
81 |
Correct |
483 ms |
33140 KB |
ans=YES N=66020 |
82 |
Correct |
501 ms |
30960 KB |
ans=YES N=65809 |
83 |
Correct |
433 ms |
22928 KB |
ans=YES N=65651 |
84 |
Correct |
535 ms |
44144 KB |
ans=YES N=68040 |
85 |
Correct |
499 ms |
39536 KB |
ans=YES N=66570 |
86 |
Correct |
391 ms |
19580 KB |
ans=YES N=65421 |
87 |
Correct |
415 ms |
21484 KB |
ans=YES N=68351 |
88 |
Correct |
394 ms |
18544 KB |
ans=YES N=67027 |
89 |
Correct |
482 ms |
27748 KB |
ans=YES N=68879 |
90 |
Correct |
422 ms |
21744 KB |
ans=YES N=67256 |
91 |
Correct |
967 ms |
41976 KB |
ans=YES N=148315 |
92 |
Correct |
351 ms |
28536 KB |
ans=NO N=142745 |
93 |
Correct |
493 ms |
31224 KB |
ans=NO N=148443 |
94 |
Correct |
1044 ms |
42448 KB |
ans=YES N=148328 |
95 |
Correct |
1052 ms |
42732 KB |
ans=YES N=147855 |
96 |
Correct |
1072 ms |
43380 KB |
ans=YES N=150000 |
97 |
Correct |
1045 ms |
41716 KB |
ans=YES N=144725 |
98 |
Correct |
1084 ms |
42888 KB |
ans=YES N=149445 |
99 |
Correct |
1030 ms |
41960 KB |
ans=YES N=144455 |
100 |
Correct |
1064 ms |
41364 KB |
ans=YES N=143487 |
101 |
Correct |
1079 ms |
43244 KB |
ans=YES N=149688 |
102 |
Correct |
1234 ms |
65844 KB |
ans=YES N=141481 |
103 |
Correct |
1300 ms |
88704 KB |
ans=YES N=147430 |
104 |
Correct |
1119 ms |
55016 KB |
ans=YES N=142247 |
105 |
Correct |
1240 ms |
64148 KB |
ans=YES N=149941 |
106 |
Correct |
1215 ms |
84072 KB |
ans=YES N=141635 |
107 |
Correct |
1231 ms |
77420 KB |
ans=YES N=142896 |
108 |
Correct |
1271 ms |
84716 KB |
ans=YES N=142069 |
109 |
Correct |
1002 ms |
46184 KB |
ans=YES N=142378 |
110 |
Correct |
1217 ms |
71400 KB |
ans=YES N=150000 |
111 |
Correct |
1277 ms |
96236 KB |
ans=YES N=141452 |
112 |
Correct |
1218 ms |
91620 KB |
ans=YES N=134453 |
113 |
Correct |
1231 ms |
96240 KB |
ans=YES N=144172 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
273 ms |
22132 KB |
ans=NO N=66151 |
2 |
Correct |
146 ms |
12384 KB |
ans=NO N=64333 |
3 |
Incorrect |
393 ms |
18672 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 |
5 ms |
640 KB |
ans=NO N=1934 |
2 |
Correct |
4 ms |
768 KB |
ans=NO N=1965 |
3 |
Incorrect |
9 ms |
768 KB |
Contestant's solution is not lexicographically largest at index 1824 (1813 vs 1702) |
4 |
Halted |
0 ms |
0 KB |
- |