#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define int long long
#define endl '\n'
using namespace std;
using namespace __gnu_pbds;
using ordered_set = tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>;
vector<int>g;
map<pair<int,int>,int>mp;
map<pair<int,int>,bool>vis;
signed main(){
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
int n,t;
cin>>n>>t;
pair<int,int>pr[n];
for(int i=0;i<n;i++){
cin>>pr[i].first>>pr[i].second;
mp[pr[i]]=i+1;
}
sort(pr,pr+n);
deque<pair<int,int>>dq={pr[0]};
vis[pr[0]]=1;
int x[]={1,1,1,0,0};
int y[]={-1,0,1,-1,1};
while(dq.size()){
pair<int,int>p=dq.front();
dq.pop_front();
g.push_back(mp[p]);
for(int i=0;i<5;i++){
pair<int,int>pp={p.first+x[i],p.second+y[i]};
if(!vis[pp]&&mp[pp]){
vis[pp]=1;
dq.push_back(pp);
}
}
}
for(int i=n-1;i>=0;i--){
if(vis[pr[i]])continue;
dq.push_back(pr[i]);
vis[pr[i]]=1;
while(dq.size()){
pair<int,int>p=dq.front();
dq.pop_front();
g.push_back(mp[p]);
for(int w=0;w<5;w++){
pair<int,int>pp={p.first+x[w],p.second+y[w]};
if(!vis[pp]&&mp[pp]){
vis[pp]=1;
dq.push_back(pp);
}
}
}
}
if(g.size()!=n){cout<<"NO";}
else{
cout<<"YES\n";
for(auto &i:g)cout<<i<<endl;
}
}
Compilation message
skyscrapers.cpp: In function 'int main()':
skyscrapers.cpp:55:16: 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]
55 | if(g.size()!=n){cout<<"NO";}
| ~~~~~~~~^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
ans=YES N=1 |
2 |
Correct |
0 ms |
212 KB |
ans=YES N=4 |
3 |
Incorrect |
1 ms |
212 KB |
Full cells must be connected |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
ans=YES N=1 |
2 |
Correct |
0 ms |
212 KB |
ans=YES N=4 |
3 |
Incorrect |
1 ms |
212 KB |
Full cells must be connected |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
ans=YES N=1 |
2 |
Correct |
0 ms |
212 KB |
ans=YES N=4 |
3 |
Incorrect |
1 ms |
212 KB |
Full cells must be connected |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
6 ms |
1748 KB |
Full cells must be connected |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
ans=YES N=1 |
2 |
Correct |
0 ms |
212 KB |
ans=YES N=4 |
3 |
Incorrect |
1 ms |
212 KB |
Full cells must be connected |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
143 ms |
15308 KB |
Full cells must be connected |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
6 ms |
1748 KB |
Full cells must be connected |
2 |
Halted |
0 ms |
0 KB |
- |