#include <bits/stdc++.h>
#define all(vec) vec.begin(), vec.end()
#define ll long long
#define db double
#define pb push_back
#define pf push_front
#define newl "\n"
#define fast ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define f first
#define s second
#define MOD 1000000007
using namespace std;
#pragma GCC diagnostic ignored "-Wunused-result"
void setIO(string name = "") {
ios_base::sync_with_stdio(0); cin.tie(0);
cout << fixed << setprecision(15);
if (name.size()) {
freopen((name+".in").c_str(), "r", stdin);
freopen((name+".out").c_str(), "w", stdout);
}
}
map <pair <ll, ll>, bool> vis, exist;
vector <ll> ans;
priority_queue <pair <ll, ll>, vector <pair <ll, ll>>, greater <pair <ll, ll>>> pq;
map <pair <ll, ll>, ll> mp;
void bfs(ll ii, ll jj)
{
pq.push({ii, jj});
vis[{ii, jj}] = true;
ans.pb(mp[{ii, jj}]);
while (pq.size())
{
ll x = pq.top().f, y = pq.top().s;
pq.pop();
for (ll i = x - 1; i <= x + 1; i++)
{
for (ll j = y - 1; j <= y + 1; j++)
{
if (exist[{i, j}] && !vis[{i, j}])
{
vis[{i, j}] = true;
pq.push({i, j});
ans.pb(mp[{i, j}]);
}
}
}
}
}
int main()
{
//fast
//setIO("");
//freopen("filename.in", "r", stdin);
//freopen("filename.out", "w", stdout);
ll n, t; cin >> n >> t;
vector <pair <ll, ll>> a(n);
for (ll i = 0; i < n; i++)
{
cin >> a[i].f >> a[i].s;
mp[a[i]] = i + 1;
exist[a[i]] = true;
}
sort(a.begin(), a.end());
bfs(a[0].f, a[0].s);
if (ans.size() < n)
{
cout << "NO" << newl;
return 0;
}
cout << "YES" << newl;
for (auto v : ans) cout << v << newl;
//cout << 1;
}
Compilation message
skyscrapers.cpp: In function 'int main()':
skyscrapers.cpp:76:20: 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]
76 | if (ans.size() < n)
| ~~~~~~~~~~~^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
ans=YES N=1 |
2 |
Correct |
1 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 |
1 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 |
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 |
1 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 |
1 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 |
1 ms |
212 KB |
ans=NO N=2 |
17 |
Correct |
1 ms |
212 KB |
ans=YES N=17 |
18 |
Correct |
1 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 |
1 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 |
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 |
1 ms |
340 KB |
ans=YES N=196 |
42 |
Incorrect |
1 ms |
340 KB |
Added cell 196 (16,2) not reachable from infinity |
43 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
ans=YES N=1 |
2 |
Correct |
1 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 |
1 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 |
1 ms |
212 KB |
ans=NO N=2 |
17 |
Correct |
1 ms |
212 KB |
ans=YES N=17 |
18 |
Correct |
1 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 |
1 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 |
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 |
1 ms |
340 KB |
ans=YES N=196 |
42 |
Incorrect |
1 ms |
340 KB |
Added cell 196 (16,2) not reachable from infinity |
43 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
468 KB |
ans=NO N=1934 |
2 |
Correct |
2 ms |
468 KB |
ans=NO N=1965 |
3 |
Incorrect |
4 ms |
612 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 |
1 ms |
212 KB |
ans=YES N=1 |
2 |
Correct |
1 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 |
1 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 |
1 ms |
212 KB |
ans=NO N=2 |
17 |
Correct |
1 ms |
212 KB |
ans=YES N=17 |
18 |
Correct |
1 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 |
1 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 |
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 |
1 ms |
340 KB |
ans=YES N=196 |
42 |
Incorrect |
1 ms |
340 KB |
Added cell 196 (16,2) not reachable from infinity |
43 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
191 ms |
17068 KB |
ans=NO N=66151 |
2 |
Correct |
82 ms |
9320 KB |
ans=NO N=64333 |
3 |
Incorrect |
233 ms |
15420 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 |
3 ms |
468 KB |
ans=NO N=1934 |
2 |
Correct |
2 ms |
468 KB |
ans=NO N=1965 |
3 |
Incorrect |
4 ms |
612 KB |
Contestant's solution is not lexicographically largest at index 1824 (1813 vs 1702) |
4 |
Halted |
0 ms |
0 KB |
- |