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Submission #407483

# Submission time Handle Problem Language Result Execution time Memory
407483 2021-05-19T01:50:11 Z RGBB Circle selection (APIO18_circle_selection) C++14
100 / 100
 968 ms 100512 KB 
#include <iostream>
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef pair<int,int>pp;
const int MAXN=300000;
const int rnd=1956748957;
bool vis[MAXN];
int n,cr,outp[MAXN],inp[MAXN][3];
pp take[MAXN];
gp_hash_table<int,vector<int>>plane;
int cmp(int a,int b){
    return a*rnd+b;
}
int h;
void initialize(int cx,int cy){
    h=cmp(cx,cy);
    if(plane.find(h)==plane.end()){
        vector<int>temp;
        plane[h]=temp;
    }
}
void create(){
    plane.clear();
    for(pp i:take){
        if(vis[i.second])continue;
        int cx=(inp[i.second][0]>>cr);
        int cy=(inp[i.second][1]>>cr);
        initialize(cx,cy);
        plane[cmp(cx,cy)].push_back(i.second);
    }
}
ll xx,yy,rr;
bool intersect(int a,int b){
    xx=inp[a][0]-inp[b][0];
    yy=inp[a][1]-inp[b][1];
    rr=inp[a][2]+inp[b][2];
    if(xx*xx+yy*yy<=rr*rr)return true;
    return false;
}
void calc(int c){
    int cx=(inp[c][0]>>cr);
    int cy=(inp[c][1]>>cr);
    for(int i=-1;i<=1;i++){
        for(int y=-1;y<=1;y++){
            if(plane.find(cmp(cx+i,cy+y))==plane.end())continue;
            for(int i:plane[cmp(cx+i,cy+y)]){
                if(!vis[i]&&intersect(i,c)){
                    outp[i]=c;
                    vis[i]=true;
                }
            }
        }
    }
}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    memset(vis,false,sizeof(vis));
    cin>>n;
    for(int i=0;i<n;i++){
        cin>>inp[i][0]>>inp[i][1]>>inp[i][2];
        take[i]={-inp[i][2],i};
    }
    sort(take,take+n);
    cr=30;
    create();
    bool change=false;
    for(int i=0;i<n;i++){
        if(vis[take[i].second])continue;
        while(-take[i].first<(double)(1<<(cr-2))/sqrt(2)){
            cr--;
            change=true;
        }
        if(change)create();
        change=false;
        calc(take[i].second);
    }
    for(int i=0;i<n-1;i++)cout<<outp[i]+1<<" ";
    cout<<outp[n-1]+1<<"\n";
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 3760 KB Output is correct
2 Correct 14 ms 3780 KB Output is correct
3 Correct 10 ms 2760 KB Output is correct
4 Correct 22 ms 3868 KB Output is correct
5 Correct 8 ms 2760 KB Output is correct
6 Correct 8 ms 2760 KB Output is correct
7 Correct 8 ms 2760 KB Output is correct
8 Correct 8 ms 2780 KB Output is correct
9 Correct 21 ms 3868 KB Output is correct
10 Correct 8 ms 2788 KB Output is correct
11 Correct 51 ms 3888 KB Output is correct
12 Correct 19 ms 3812 KB Output is correct
13 Correct 23 ms 3888 KB Output is correct
14 Correct 23 ms 3824 KB Output is correct
15 Correct 30 ms 3832 KB Output is correct
16 Correct 10 ms 2760 KB Output is correct
17 Correct 15 ms 3888 KB Output is correct
18 Correct 10 ms 2760 KB Output is correct
19 Correct 11 ms 3052 KB Output is correct
20 Correct 11 ms 3016 KB Output is correct
21 Correct 13 ms 3016 KB Output is correct
22 Correct 34 ms 5072 KB Output is correct
23 Correct 35 ms 5096 KB Output is correct
24 Correct 51 ms 5040 KB Output is correct
25 Correct 37 ms 5036 KB Output is correct
26 Correct 32 ms 5104 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 191 ms 14584 KB Output is correct
2 Correct 182 ms 14700 KB Output is correct
3 Correct 196 ms 16016 KB Output is correct
4 Correct 194 ms 15472 KB Output is correct
5 Correct 204 ms 15976 KB Output is correct
6 Correct 357 ms 24936 KB Output is correct
7 Correct 220 ms 17680 KB Output is correct
8 Correct 248 ms 18836 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 3888 KB Output is correct
2 Correct 211 ms 24848 KB Output is correct
3 Correct 913 ms 100512 KB Output is correct
4 Correct 954 ms 95328 KB Output is correct
5 Correct 737 ms 53160 KB Output is correct
6 Correct 296 ms 28988 KB Output is correct
7 Correct 123 ms 14744 KB Output is correct
8 Correct 49 ms 6688 KB Output is correct
9 Correct 950 ms 92340 KB Output is correct
10 Correct 719 ms 53284 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 497 ms 89612 KB Output is correct
2 Correct 476 ms 88884 KB Output is correct
3 Correct 294 ms 16140 KB Output is correct
4 Correct 499 ms 88900 KB Output is correct
5 Correct 486 ms 88860 KB Output is correct
6 Correct 251 ms 15640 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 3760 KB Output is correct
2 Correct 14 ms 3780 KB Output is correct
3 Correct 10 ms 2760 KB Output is correct
4 Correct 22 ms 3868 KB Output is correct
5 Correct 8 ms 2760 KB Output is correct
6 Correct 8 ms 2760 KB Output is correct
7 Correct 8 ms 2760 KB Output is correct
8 Correct 8 ms 2780 KB Output is correct
9 Correct 21 ms 3868 KB Output is correct
10 Correct 8 ms 2788 KB Output is correct
11 Correct 51 ms 3888 KB Output is correct
12 Correct 19 ms 3812 KB Output is correct
13 Correct 23 ms 3888 KB Output is correct
14 Correct 23 ms 3824 KB Output is correct
15 Correct 30 ms 3832 KB Output is correct
16 Correct 10 ms 2760 KB Output is correct
17 Correct 15 ms 3888 KB Output is correct
18 Correct 10 ms 2760 KB Output is correct
19 Correct 11 ms 3052 KB Output is correct
20 Correct 11 ms 3016 KB Output is correct
21 Correct 13 ms 3016 KB Output is correct
22 Correct 34 ms 5072 KB Output is correct
23 Correct 35 ms 5096 KB Output is correct
24 Correct 51 ms 5040 KB Output is correct
25 Correct 37 ms 5036 KB Output is correct
26 Correct 32 ms 5104 KB Output is correct
27 Correct 16 ms 3264 KB Output is correct
28 Correct 14 ms 3196 KB Output is correct
29 Correct 13 ms 3264 KB Output is correct
30 Correct 40 ms 6352 KB Output is correct
31 Correct 39 ms 6300 KB Output is correct
32 Correct 50 ms 6360 KB Output is correct
33 Correct 66 ms 7956 KB Output is correct
34 Correct 69 ms 7956 KB Output is correct
35 Correct 85 ms 8920 KB Output is correct
36 Correct 201 ms 24540 KB Output is correct
37 Correct 207 ms 24644 KB Output is correct
38 Correct 207 ms 24720 KB Output is correct
39 Correct 337 ms 9980 KB Output is correct
40 Correct 339 ms 9932 KB Output is correct
41 Correct 334 ms 10296 KB Output is correct
42 Correct 136 ms 8356 KB Output is correct
43 Correct 166 ms 24676 KB Output is correct
44 Correct 150 ms 25560 KB Output is correct
45 Correct 149 ms 24624 KB Output is correct
46 Correct 154 ms 25728 KB Output is correct
47 Correct 147 ms 25472 KB Output is correct
48 Correct 146 ms 24656 KB Output is correct
49 Correct 155 ms 24948 KB Output is correct
50 Correct 149 ms 24764 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 3760 KB Output is correct
2 Correct 14 ms 3780 KB Output is correct
3 Correct 10 ms 2760 KB Output is correct
4 Correct 22 ms 3868 KB Output is correct
5 Correct 8 ms 2760 KB Output is correct
6 Correct 8 ms 2760 KB Output is correct
7 Correct 8 ms 2760 KB Output is correct
8 Correct 8 ms 2780 KB Output is correct
9 Correct 21 ms 3868 KB Output is correct
10 Correct 8 ms 2788 KB Output is correct
11 Correct 51 ms 3888 KB Output is correct
12 Correct 19 ms 3812 KB Output is correct
13 Correct 23 ms 3888 KB Output is correct
14 Correct 23 ms 3824 KB Output is correct
15 Correct 30 ms 3832 KB Output is correct
16 Correct 10 ms 2760 KB Output is correct
17 Correct 15 ms 3888 KB Output is correct
18 Correct 10 ms 2760 KB Output is correct
19 Correct 11 ms 3052 KB Output is correct
20 Correct 11 ms 3016 KB Output is correct
21 Correct 13 ms 3016 KB Output is correct
22 Correct 34 ms 5072 KB Output is correct
23 Correct 35 ms 5096 KB Output is correct
24 Correct 51 ms 5040 KB Output is correct
25 Correct 37 ms 5036 KB Output is correct
26 Correct 32 ms 5104 KB Output is correct
27 Correct 191 ms 14584 KB Output is correct
28 Correct 182 ms 14700 KB Output is correct
29 Correct 196 ms 16016 KB Output is correct
30 Correct 194 ms 15472 KB Output is correct
31 Correct 204 ms 15976 KB Output is correct
32 Correct 357 ms 24936 KB Output is correct
33 Correct 220 ms 17680 KB Output is correct
34 Correct 248 ms 18836 KB Output is correct
35 Correct 22 ms 3888 KB Output is correct
36 Correct 211 ms 24848 KB Output is correct
37 Correct 913 ms 100512 KB Output is correct
38 Correct 954 ms 95328 KB Output is correct
39 Correct 737 ms 53160 KB Output is correct
40 Correct 296 ms 28988 KB Output is correct
41 Correct 123 ms 14744 KB Output is correct
42 Correct 49 ms 6688 KB Output is correct
43 Correct 950 ms 92340 KB Output is correct
44 Correct 719 ms 53284 KB Output is correct
45 Correct 497 ms 89612 KB Output is correct
46 Correct 476 ms 88884 KB Output is correct
47 Correct 294 ms 16140 KB Output is correct
48 Correct 499 ms 88900 KB Output is correct
49 Correct 486 ms 88860 KB Output is correct
50 Correct 251 ms 15640 KB Output is correct
51 Correct 16 ms 3264 KB Output is correct
52 Correct 14 ms 3196 KB Output is correct
53 Correct 13 ms 3264 KB Output is correct
54 Correct 40 ms 6352 KB Output is correct
55 Correct 39 ms 6300 KB Output is correct
56 Correct 50 ms 6360 KB Output is correct
57 Correct 66 ms 7956 KB Output is correct
58 Correct 69 ms 7956 KB Output is correct
59 Correct 85 ms 8920 KB Output is correct
60 Correct 201 ms 24540 KB Output is correct
61 Correct 207 ms 24644 KB Output is correct
62 Correct 207 ms 24720 KB Output is correct
63 Correct 337 ms 9980 KB Output is correct
64 Correct 339 ms 9932 KB Output is correct
65 Correct 334 ms 10296 KB Output is correct
66 Correct 136 ms 8356 KB Output is correct
67 Correct 166 ms 24676 KB Output is correct
68 Correct 150 ms 25560 KB Output is correct
69 Correct 149 ms 24624 KB Output is correct
70 Correct 154 ms 25728 KB Output is correct
71 Correct 147 ms 25472 KB Output is correct
72 Correct 146 ms 24656 KB Output is correct
73 Correct 155 ms 24948 KB Output is correct
74 Correct 149 ms 24764 KB Output is correct
75 Correct 208 ms 14028 KB Output is correct
76 Correct 214 ms 15328 KB Output is correct
77 Correct 204 ms 17424 KB Output is correct
78 Correct 193 ms 15232 KB Output is correct
79 Correct 263 ms 15984 KB Output is correct
80 Correct 186 ms 15160 KB Output is correct
81 Correct 808 ms 88988 KB Output is correct
82 Correct 806 ms 88920 KB Output is correct
83 Correct 968 ms 92164 KB Output is correct
84 Correct 957 ms 99800 KB Output is correct
85 Correct 946 ms 92068 KB Output is correct
86 Correct 851 ms 88892 KB Output is correct
87 Correct 920 ms 92040 KB Output is correct
88 Correct 545 ms 23520 KB Output is correct
89 Correct 552 ms 23476 KB Output is correct
90 Correct 594 ms 23440 KB Output is correct
91 Correct 600 ms 23540 KB Output is correct
92 Correct 575 ms 23472 KB Output is correct
93 Correct 673 ms 88168 KB Output is correct
94 Correct 776 ms 88140 KB Output is correct
95 Correct 676 ms 88096 KB Output is correct
96 Correct 735 ms 88128 KB Output is correct
97 Correct 718 ms 88056 KB Output is correct
98 Correct 406 ms 23692 KB Output is correct
99 Correct 888 ms 91348 KB Output is correct
100 Correct 624 ms 88152 KB Output is correct
101 Correct 588 ms 33336 KB Output is correct
102 Correct 769 ms 53284 KB Output is correct
103 Correct 707 ms 52320 KB Output is correct
104 Correct 823 ms 88152 KB Output is correct
105 Correct 432 ms 16920 KB Output is correct
106 Correct 471 ms 52236 KB Output is correct
107 Correct 512 ms 52264 KB Output is correct
108 Correct 486 ms 52308 KB Output is correct
109 Correct 462 ms 52300 KB Output is correct
110 Correct 479 ms 52260 KB Output is correct
111 Correct 503 ms 52404 KB Output is correct
112 Correct 459 ms 52296 KB Output is correct
113 Correct 519 ms 52260 KB Output is correct
114 Correct 491 ms 52260 KB Output is correct
115 Correct 484 ms 52264 KB Output is correct
116 Correct 484 ms 52280 KB Output is correct