oj.uz

Submission #971557

# Submission time Handle Problem Language Result Execution time Memory
971557 2024-04-29T00:43:02 Z irmuun Circle selection (APIO18_circle_selection) C++17
7 / 100
 415 ms 269916 KB 
#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

const ll N=3e5+5;
ll n;
ll x[N],y[N],r[N];
vector<ll>adj[N],ans(N,0);
vector<bool>used(N,0);

ll dist(ll i,ll j){
    return abs(x[i]-x[j])*abs(x[i]-x[j])+abs(y[i]-y[j])*abs(y[i]-y[j]);
}

int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    cin>>n;
    vector<pair<ll,ll>>v;
    bool Y=true;
    for(ll i=1;i<=n;i++){
        cin>>x[i]>>y[i]>>r[i];
        v.pb({-r[i],i});
        Y&=(y[i]==0);
    }
    sort(all(v));
    if(n<=5000){
        for(ll i=1;i<=n;i++){
            for(ll j=i+1;j<=n;j++){
                if(dist(i,j)<=(r[i]+r[j])*(r[i]+r[j])){
                    adj[i].pb(j);
                    adj[j].pb(i);
                }
            }
        }
        for(auto [R,i]:v){
            if(ans[i]>0) continue;
            ans[i]=i;
            for(ll j:adj[i]){
                if(ans[j]==0) ans[j]=i;
            }
        }
        for(ll i=1;i<=n;i++){
            cout<<ans[i]<<' ';
        }
        return 0;
    }
    if(Y){
        set<pair<ll,ll>>ord;
        for(ll i=1;i<=n;i++){
            ord.insert({x[i],i});
        }
        vector<ll>del;
        for(auto [R,i]:v){
            if(ans[i]>0) continue;
            del.clear();
            auto it=ord.lower_bound({x[i]-r[i],0});
            while(it!=ord.end()&&it->ff<=x[i]+r[i]){
                del.pb(it->ss);
                it++;
            }
            for(auto j:del){
                ans[j]=i;
                ord.erase({r[j],j});
            }
        }
        for(ll i=1;i<=n;i++){
            cout<<ans[i]<<' ';
        }
        cout<<"\n";
    }
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 15196 KB Output is correct
2 Correct 3 ms 15196 KB Output is correct
3 Correct 4 ms 15196 KB Output is correct
4 Correct 3 ms 15196 KB Output is correct
5 Correct 3 ms 15276 KB Output is correct
6 Correct 4 ms 15452 KB Output is correct
7 Correct 4 ms 15452 KB Output is correct
8 Correct 4 ms 15196 KB Output is correct
9 Correct 3 ms 15196 KB Output is correct
10 Correct 4 ms 15196 KB Output is correct
11 Correct 3 ms 15196 KB Output is correct
12 Correct 4 ms 15196 KB Output is correct
13 Correct 3 ms 15196 KB Output is correct
14 Correct 3 ms 15196 KB Output is correct
15 Correct 3 ms 15196 KB Output is correct
16 Correct 12 ms 23644 KB Output is correct
17 Correct 11 ms 23128 KB Output is correct
18 Correct 12 ms 24000 KB Output is correct
19 Correct 261 ms 269604 KB Output is correct
20 Correct 232 ms 269916 KB Output is correct
21 Correct 194 ms 172100 KB Output is correct
22 Correct 19 ms 15452 KB Output is correct
23 Correct 23 ms 15548 KB Output is correct
24 Correct 19 ms 15452 KB Output is correct
25 Correct 22 ms 15548 KB Output is correct
26 Correct 19 ms 15552 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 415 ms 54432 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 15196 KB Output is correct
2 Incorrect 33 ms 17368 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 76 ms 25152 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 15196 KB Output is correct
2 Correct 3 ms 15196 KB Output is correct
3 Correct 4 ms 15196 KB Output is correct
4 Correct 3 ms 15196 KB Output is correct
5 Correct 3 ms 15276 KB Output is correct
6 Correct 4 ms 15452 KB Output is correct
7 Correct 4 ms 15452 KB Output is correct
8 Correct 4 ms 15196 KB Output is correct
9 Correct 3 ms 15196 KB Output is correct
10 Correct 4 ms 15196 KB Output is correct
11 Correct 3 ms 15196 KB Output is correct
12 Correct 4 ms 15196 KB Output is correct
13 Correct 3 ms 15196 KB Output is correct
14 Correct 3 ms 15196 KB Output is correct
15 Correct 3 ms 15196 KB Output is correct
16 Correct 12 ms 23644 KB Output is correct
17 Correct 11 ms 23128 KB Output is correct
18 Correct 12 ms 24000 KB Output is correct
19 Correct 261 ms 269604 KB Output is correct
20 Correct 232 ms 269916 KB Output is correct
21 Correct 194 ms 172100 KB Output is correct
22 Correct 19 ms 15452 KB Output is correct
23 Correct 23 ms 15548 KB Output is correct
24 Correct 19 ms 15452 KB Output is correct
25 Correct 22 ms 15548 KB Output is correct
26 Correct 19 ms 15552 KB Output is correct
27 Incorrect 6 ms 15708 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 15196 KB Output is correct
2 Correct 3 ms 15196 KB Output is correct
3 Correct 4 ms 15196 KB Output is correct
4 Correct 3 ms 15196 KB Output is correct
5 Correct 3 ms 15276 KB Output is correct
6 Correct 4 ms 15452 KB Output is correct
7 Correct 4 ms 15452 KB Output is correct
8 Correct 4 ms 15196 KB Output is correct
9 Correct 3 ms 15196 KB Output is correct
10 Correct 4 ms 15196 KB Output is correct
11 Correct 3 ms 15196 KB Output is correct
12 Correct 4 ms 15196 KB Output is correct
13 Correct 3 ms 15196 KB Output is correct
14 Correct 3 ms 15196 KB Output is correct
15 Correct 3 ms 15196 KB Output is correct
16 Correct 12 ms 23644 KB Output is correct
17 Correct 11 ms 23128 KB Output is correct
18 Correct 12 ms 24000 KB Output is correct
19 Correct 261 ms 269604 KB Output is correct
20 Correct 232 ms 269916 KB Output is correct
21 Correct 194 ms 172100 KB Output is correct
22 Correct 19 ms 15452 KB Output is correct
23 Correct 23 ms 15548 KB Output is correct
24 Correct 19 ms 15452 KB Output is correct
25 Correct 22 ms 15548 KB Output is correct
26 Correct 19 ms 15552 KB Output is correct
27 Incorrect 415 ms 54432 KB Output isn't correct
28 Halted 0 ms 0 KB -