#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);
}
}
}
int X[]={1,1,1,0,0,-1,-1,-1};
int Y[]={-1,0,1,-1,1,1,-1,0};
int xx[]={-1,-1,-1,0,0};
int yy[]={-1,0,1,-1,1};
for(int i=n-1;i>=0;i--){
if(vis[pr[i]])continue;
bool bl=0;
for(int w=0;w<8;w++){
if(vis[{X[w]+pr[i].first,Y[w]+pr[i].second}])bl=1;
}
if(!bl)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<2;w++){
pair<int,int>pp={p.first+xx[w],p.second+yy[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:64:16: 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]
64 | 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 |
Correct |
1 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 |
1 ms |
212 KB |
ans=NO N=9 |
8 |
Correct |
1 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 |
# |
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 |
Correct |
1 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 |
1 ms |
212 KB |
ans=NO N=9 |
8 |
Correct |
1 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 |
Incorrect |
0 ms |
212 KB |
Added cell 25 (-1,1) not reachable from infinity |
19 |
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 |
Correct |
1 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 |
1 ms |
212 KB |
ans=NO N=9 |
8 |
Correct |
1 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 |
Incorrect |
0 ms |
212 KB |
Added cell 25 (-1,1) not reachable from infinity |
19 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
1476 KB |
ans=NO N=1934 |
2 |
Correct |
3 ms |
724 KB |
ans=NO N=1965 |
3 |
Incorrect |
3 ms |
596 KB |
Contestant's solution is not lexicographically largest at index 1824 (1813 vs 585) |
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 |
Correct |
1 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 |
1 ms |
212 KB |
ans=NO N=9 |
8 |
Correct |
1 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 |
Incorrect |
0 ms |
212 KB |
Added cell 25 (-1,1) not reachable from infinity |
19 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
143 ms |
14640 KB |
ans=NO N=66151 |
2 |
Correct |
158 ms |
33576 KB |
ans=NO N=64333 |
3 |
Incorrect |
122 ms |
11176 KB |
Added cell 69208 (-122,-118) not reachable from infinity |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
1476 KB |
ans=NO N=1934 |
2 |
Correct |
3 ms |
724 KB |
ans=NO N=1965 |
3 |
Incorrect |
3 ms |
596 KB |
Contestant's solution is not lexicographically largest at index 1824 (1813 vs 585) |
4 |
Halted |
0 ms |
0 KB |
- |