oj.uz

Submission #724231

# Submission time Handle Problem Language Result Execution time Memory
724231 2023-04-14T22:55:35 Z n0sk1ll Circle selection (APIO18_circle_selection) C++14
0 / 100
 3000 ms 83280 KB 
#include <bits/stdc++.h>

#define FAST ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);cerr.tie(0)
#define mp make_pair
#define xx first
#define yy second
#define pb push_back
#define pf push_front
#define popb pop_back
#define popf pop_front
#define all(x) x.begin(),x.end()
#define ff(i,a,b) for (int i = a; i < b; i++)
#define fff(i,a,b) for (int i = a; i <= b; i++)
#define bff(i,a,b) for (int i = b-1; i >= a; i--)
#define bfff(i,a,b) for (int i = b; i >= a; i--)

using namespace std;
long double typedef ld;
unsigned int typedef ui;
long long int typedef li;
pair<int,int> typedef pii;
pair<li,li> typedef pli;
pair<ld,ld> typedef pld;
vector<vector<int>> typedef graph;
unsigned long long int typedef ull;
//const int mod = 998244353;
const int mod = 1000000007;







//Note to self: Check for overflow

map<pii,set<pair<pii,pii>>> koji;
int ans[300005];

int main()
{
    FAST;

    int R=2e9+1;

    set<pair<pii,pii>> krugovi;

    int n; cin>>n;
    ff(i,0,n)
    {
        int x,y,r; cin>>x>>y>>r;
        krugovi.insert({{r,-i},{x,y}});
        koji[{(x+1e9)/R,(y+1e9)/R}].insert({{r,-i},{x,y}});
    }

    while (!krugovi.empty())
    {
        auto it=*prev(krugovi.end());
        int r=it.xx.xx,i=-it.xx.yy,x=it.yy.xx,y=it.yy.yy;

        while (2*r<R)
        {
            R=(R+1)/2;
            koji.clear();
            for (auto jt : krugovi)
            {
                int x1=jt.yy.xx,y1=jt.yy.yy;
                koji[{(x1+1e9)/R,(y1+1e9)/R}].insert(jt);
            }
        }

        ans[i]=i;

        vector<pair<pii,pii>> to_delete;
        to_delete.pb({{r,i},{x,y}});

        fff(dx,-2,2) fff(dy,-2,2) for (auto jt : koji[{(x+1e9)/R+dx,(y+1e9)/R+dy}])
        {
            int r1=jt.xx.xx,i1=jt.xx.yy,x1=jt.yy.xx,y1=it.yy.yy;

            if ((li)(r+r1)*(r+r1) <= (li)(x-x1)*(x-x1) + (li)(y-y1)*(y-y1)) ans[i1]=i,to_delete.pb({{r1,i1},{x1,y1}});
        }

        for (auto jt : to_delete)
        {
            krugovi.erase(jt);
            int x1=jt.yy.xx,y1=it.yy.yy;
            koji[{(x1+1e9)/R,(y1+1e9)/R}].erase(jt);
        }
    }

    ff(i,0,n) cout<<ans[i]+1<<" ";
}

//Note to self: Check for overflow

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Execution timed out 3068 ms 212 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 637 ms 83280 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3066 ms 212 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3046 ms 70400 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Execution timed out 3068 ms 212 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Execution timed out 3068 ms 212 KB Time limit exceeded
3 Halted 0 ms 0 KB -