oj.uz

Submission #743410

# Submission time Handle Problem Language Result Execution time Memory
743410 2023-05-17T11:28:34 Z alvingogo Circle selection (APIO18_circle_selection) C++14
12 / 100
 823 ms 63564 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#define AquA cin.tie(0);ios_base::sync_with_stdio(0);
#define fs first
#define sc second
#define p_q priority_queue
#define int long long
using namespace std;

typedef pair<int,int> pii;
pii operator+(pii a,pii b){
    return {a.fs+b.fs,a.sc+b.sc};
}
pii operator-(pii a,pii b){
    return {a.fs-b.fs,a.sc-b.sc};
}
int dot(pii a,pii b){
    return a.fs*b.fs+a.sc*b.sc;
}
int cross(pii a,pii b){
    return a.fs*b.sc-b.fs*a.sc;
}
int dis(pii a,pii b){
    return dot(a-b,a-b);
}
signed main(){
    AquA;
    int n;
    cin >> n;
    vector<pair<pii,int> > vp(n);
    vector<pii> g;
    vector<int> from(n,-1);
    set<pii> sl,sr;
    vector<int> l(n),r(n);
    for(int i=0;i<n;i++){
        cin >> vp[i].fs.fs >> vp[i].fs.sc >> vp[i].sc;
        g.push_back({-vp[i].sc,i});
        l[i]=vp[i].fs.fs-vp[i].sc;
        r[i]=vp[i].fs.fs+vp[i].sc;
        sl.insert({l[i],i});
        sr.insert({r[i],i});
    }
    sort(g.begin(),g.end());
    for(int k=0;k<n;k++){
        int i=g[k].sc;
        if(from[i]>=0){
            continue;
        }
        for(auto it=sl.lower_bound(pii(l[i],-1));it!=sl.end();it=sl.erase(it)){
            if(it->fs>r[i]){
                break;
            }
            from[it->sc]=i;
            sr.erase(pii(r[it->sc],it->sc));
        }
        for(auto it=sr.lower_bound(pii(l[i],-1));it!=sr.end();it=sr.erase(it)){
            if(it->fs>r[i]){
                break;
            }
            from[it->sc]=i;
            sl.erase(pii(l[it->sc],it->sc));
        }
    }
    for(int i=0;i<n;i++){
        cout << from[i]+1 << " ";
    }
    return 0;
}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Incorrect 0 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 821 ms 58780 KB Output is correct
2 Correct 816 ms 58792 KB Output is correct
3 Correct 789 ms 58476 KB Output is correct
4 Correct 823 ms 58796 KB Output is correct
5 Correct 677 ms 58512 KB Output is correct
6 Correct 676 ms 63264 KB Output is correct
7 Correct 653 ms 63564 KB Output is correct
8 Correct 626 ms 63272 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 525 ms 58356 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Incorrect 0 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Incorrect 0 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -