oj.uz

Submission #836865

# Submission time Handle Problem Language Result Execution time Memory
836865 2023-08-24T16:28:21 Z ma_moutahid Fountain Parks (IOI21_parks) C++17
30 / 100
 304 ms 41660 KB 
#include "parks.h"
#include<bits/stdc++.h>
using namespace std;

#define vi vector<int>
#define vii vector<vi>
#define pi pair<int,int>
#define vp vector<pi>

vi d;
vi h;
int parent(int x){
    if(d[x]==x)return x;
    return d[x]=parent(d[x]);
}
void connect(int a, int b){
    a=parent(a);
    b=parent(b);
    if(h[a]<h[b])swap(a,b);
    if(h[a]==h[b])h[a]++;
    d[b]=a;
}



int construct_roads(std::vector<int> x, std::vector<int> y) {
    //bsmllah
    int n=x.size();
    d.resize(n);for(int i=0;i<n;i++)d[i]=i;
    h.resize(n);
    vi u;
    vi v;
    vi a;
    vi b;

    map<pi,int>f;
    for(int i=0;i<n;i++){
        f.insert(make_pair(pi(x[i],y[i]),i));
    }
    vii k(4, vi(200001,-1));
    for(int i=0;i<n;i++){
        k[x[i]/2][y[i]]=i;
        if(x[i]==4){
            continue;
        }
        auto itr=f.find(pi(x[i],y[i]+2));
        if(itr!=f.end()){
            u.push_back(i);
            v.push_back(itr->second);
            a.push_back(x[i]+(x[i]>3?1:-1));
            b.push_back(y[i]+1);
            connect(i,itr->second);
        }
    }
    if(k[2][2]!=-1){
        if(k[1][2]!=-1){
            u.push_back(k[1][2]);
            v.push_back(k[2][2]);
            connect(k[1][2],k[2][2]);
            a.push_back(3);
            b.push_back(1);
        }
        if(k[3][2]!=-1){
            u.push_back(k[3][2]);
            v.push_back(k[2][2]);
            connect(k[3][2],k[2][2]);
            a.push_back(5);
            b.push_back(1);
        }
    }
    for(int i=4;i<200001;i+=2){
        if(k[2][i]==-1)continue;
        if(k[2][i-2]==-1){
            if(k[1][i]!=-1){
                u.push_back(k[1][i]);
                v.push_back(k[2][i]);
                a.push_back(3);
                b.push_back(i-1);
                connect(k[1][i],k[2][i]);
            }
            if(k[3][i]!=-1){
                u.push_back(k[3][i]);
                v.push_back(k[2][i]);
                a.push_back(5);
                b.push_back(i-1);
                connect(k[3][i],k[2][i]);
            }
            continue;
        }
        u.push_back(k[2][i]);
        v.push_back(k[2][i-2]);
        b.push_back(i-1);
        if(i%4){
            a.push_back(5);
        }
        else{
            a.push_back(3);
        }
        connect(k[2][i],k[2][i-2]);
        if(k[3][i-2]==-1 && k[3][i]!=-1){
            u.push_back(k[3][i]);
            v.push_back(k[2][i]);
            a.push_back(5);
            if(i%4){
                b.push_back(i+1);
            }
            else {
                b.push_back(i-1);
            }
            connect(k[3][i],k[2][i]);
        }
        if(k[1][i-2]==-1 && k[1][i]!=-1){
            u.push_back(k[1][i]);
            v.push_back(k[2][i]);
            a.push_back(3);
            if(i%4){
                b.push_back(i-1);
            }
            else {
                b.push_back(i+1);
            }
            connect(k[1][i],k[2][i]);
        }
        
    }


    for(int i=0;i<n;i++){
        if(parent(d[i])!=parent(d[0]))return 0;
    }

    build(u,v,a,b);
    return 1;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4180 KB Output is correct
2 Correct 2 ms 4156 KB Output is correct
3 Correct 2 ms 4180 KB Output is correct
4 Correct 2 ms 4180 KB Output is correct
5 Correct 2 ms 4180 KB Output is correct
6 Correct 2 ms 4180 KB Output is correct
7 Correct 2 ms 4180 KB Output is correct
8 Correct 3 ms 4180 KB Output is correct
9 Correct 97 ms 17064 KB Output is correct
10 Correct 8 ms 5076 KB Output is correct
11 Correct 36 ms 10700 KB Output is correct
12 Correct 11 ms 5460 KB Output is correct
13 Correct 19 ms 8516 KB Output is correct
14 Correct 2 ms 4308 KB Output is correct
15 Correct 3 ms 4308 KB Output is correct
16 Correct 99 ms 17008 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4180 KB Output is correct
2 Correct 2 ms 4156 KB Output is correct
3 Correct 2 ms 4180 KB Output is correct
4 Correct 2 ms 4180 KB Output is correct
5 Correct 2 ms 4180 KB Output is correct
6 Correct 2 ms 4180 KB Output is correct
7 Correct 2 ms 4180 KB Output is correct
8 Correct 3 ms 4180 KB Output is correct
9 Correct 97 ms 17064 KB Output is correct
10 Correct 8 ms 5076 KB Output is correct
11 Correct 36 ms 10700 KB Output is correct
12 Correct 11 ms 5460 KB Output is correct
13 Correct 19 ms 8516 KB Output is correct
14 Correct 2 ms 4308 KB Output is correct
15 Correct 3 ms 4308 KB Output is correct
16 Correct 99 ms 17008 KB Output is correct
17 Correct 2 ms 4180 KB Output is correct
18 Correct 2 ms 4180 KB Output is correct
19 Correct 2 ms 4180 KB Output is correct
20 Correct 2 ms 4180 KB Output is correct
21 Correct 2 ms 4180 KB Output is correct
22 Correct 2 ms 4180 KB Output is correct
23 Correct 246 ms 30524 KB Output is correct
24 Correct 2 ms 4220 KB Output is correct
25 Correct 3 ms 4308 KB Output is correct
26 Correct 3 ms 4436 KB Output is correct
27 Correct 3 ms 4564 KB Output is correct
28 Correct 70 ms 15220 KB Output is correct
29 Correct 111 ms 20472 KB Output is correct
30 Correct 170 ms 26872 KB Output is correct
31 Correct 239 ms 32208 KB Output is correct
32 Correct 2 ms 4180 KB Output is correct
33 Correct 2 ms 4180 KB Output is correct
34 Correct 2 ms 4180 KB Output is correct
35 Correct 2 ms 4144 KB Output is correct
36 Correct 2 ms 4192 KB Output is correct
37 Correct 2 ms 4180 KB Output is correct
38 Correct 2 ms 4180 KB Output is correct
39 Correct 2 ms 4180 KB Output is correct
40 Correct 2 ms 4180 KB Output is correct
41 Correct 2 ms 4180 KB Output is correct
42 Correct 2 ms 4180 KB Output is correct
43 Correct 3 ms 4396 KB Output is correct
44 Correct 3 ms 4436 KB Output is correct
45 Correct 98 ms 17944 KB Output is correct
46 Correct 152 ms 24840 KB Output is correct
47 Correct 156 ms 24764 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4180 KB Output is correct
2 Correct 2 ms 4156 KB Output is correct
3 Correct 2 ms 4180 KB Output is correct
4 Correct 2 ms 4180 KB Output is correct
5 Correct 2 ms 4180 KB Output is correct
6 Correct 2 ms 4180 KB Output is correct
7 Correct 2 ms 4180 KB Output is correct
8 Correct 3 ms 4180 KB Output is correct
9 Correct 97 ms 17064 KB Output is correct
10 Correct 8 ms 5076 KB Output is correct
11 Correct 36 ms 10700 KB Output is correct
12 Correct 11 ms 5460 KB Output is correct
13 Correct 19 ms 8516 KB Output is correct
14 Correct 2 ms 4308 KB Output is correct
15 Correct 3 ms 4308 KB Output is correct
16 Correct 99 ms 17008 KB Output is correct
17 Correct 2 ms 4180 KB Output is correct
18 Correct 2 ms 4180 KB Output is correct
19 Correct 2 ms 4180 KB Output is correct
20 Correct 2 ms 4180 KB Output is correct
21 Correct 2 ms 4180 KB Output is correct
22 Correct 2 ms 4180 KB Output is correct
23 Correct 246 ms 30524 KB Output is correct
24 Correct 2 ms 4220 KB Output is correct
25 Correct 3 ms 4308 KB Output is correct
26 Correct 3 ms 4436 KB Output is correct
27 Correct 3 ms 4564 KB Output is correct
28 Correct 70 ms 15220 KB Output is correct
29 Correct 111 ms 20472 KB Output is correct
30 Correct 170 ms 26872 KB Output is correct
31 Correct 239 ms 32208 KB Output is correct
32 Correct 2 ms 4180 KB Output is correct
33 Correct 2 ms 4180 KB Output is correct
34 Correct 2 ms 4180 KB Output is correct
35 Correct 2 ms 4144 KB Output is correct
36 Correct 2 ms 4192 KB Output is correct
37 Correct 2 ms 4180 KB Output is correct
38 Correct 2 ms 4180 KB Output is correct
39 Correct 2 ms 4180 KB Output is correct
40 Correct 2 ms 4180 KB Output is correct
41 Correct 2 ms 4180 KB Output is correct
42 Correct 2 ms 4180 KB Output is correct
43 Correct 3 ms 4396 KB Output is correct
44 Correct 3 ms 4436 KB Output is correct
45 Correct 98 ms 17944 KB Output is correct
46 Correct 152 ms 24840 KB Output is correct
47 Correct 156 ms 24764 KB Output is correct
48 Correct 2 ms 4144 KB Output is correct
49 Correct 2 ms 4180 KB Output is correct
50 Correct 2 ms 4180 KB Output is correct
51 Correct 2 ms 4180 KB Output is correct
52 Correct 2 ms 4180 KB Output is correct
53 Correct 2 ms 4180 KB Output is correct
54 Correct 2 ms 4132 KB Output is correct
55 Correct 297 ms 32092 KB Output is correct
56 Correct 2 ms 4180 KB Output is correct
57 Correct 3 ms 4360 KB Output is correct
58 Correct 6 ms 4692 KB Output is correct
59 Correct 6 ms 5044 KB Output is correct
60 Correct 94 ms 17828 KB Output is correct
61 Correct 155 ms 23400 KB Output is correct
62 Correct 173 ms 27524 KB Output is correct
63 Correct 243 ms 32212 KB Output is correct
64 Correct 2 ms 4180 KB Output is correct
65 Correct 2 ms 4180 KB Output is correct
66 Correct 2 ms 4136 KB Output is correct
67 Correct 264 ms 32112 KB Output is correct
68 Correct 287 ms 32184 KB Output is correct
69 Correct 280 ms 32016 KB Output is correct
70 Correct 3 ms 4564 KB Output is correct
71 Correct 6 ms 4908 KB Output is correct
72 Correct 94 ms 17796 KB Output is correct
73 Correct 161 ms 25456 KB Output is correct
74 Correct 247 ms 32124 KB Output is correct
75 Correct 304 ms 33808 KB Output is correct
76 Correct 269 ms 32132 KB Output is correct
77 Correct 4 ms 4692 KB Output is correct
78 Correct 6 ms 5076 KB Output is correct
79 Correct 100 ms 18196 KB Output is correct
80 Correct 157 ms 26136 KB Output is correct
81 Correct 256 ms 33152 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4180 KB Output is correct
2 Correct 2 ms 4156 KB Output is correct
3 Correct 2 ms 4180 KB Output is correct
4 Correct 2 ms 4180 KB Output is correct
5 Correct 2 ms 4180 KB Output is correct
6 Correct 2 ms 4180 KB Output is correct
7 Correct 2 ms 4180 KB Output is correct
8 Correct 3 ms 4180 KB Output is correct
9 Correct 97 ms 17064 KB Output is correct
10 Correct 8 ms 5076 KB Output is correct
11 Correct 36 ms 10700 KB Output is correct
12 Correct 11 ms 5460 KB Output is correct
13 Correct 19 ms 8516 KB Output is correct
14 Correct 2 ms 4308 KB Output is correct
15 Correct 3 ms 4308 KB Output is correct
16 Correct 99 ms 17008 KB Output is correct
17 Runtime error 6 ms 6708 KB Execution killed with signal 11
18 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4180 KB Output is correct
2 Correct 2 ms 4156 KB Output is correct
3 Correct 2 ms 4180 KB Output is correct
4 Correct 2 ms 4180 KB Output is correct
5 Correct 2 ms 4180 KB Output is correct
6 Correct 2 ms 4180 KB Output is correct
7 Correct 2 ms 4180 KB Output is correct
8 Correct 3 ms 4180 KB Output is correct
9 Correct 97 ms 17064 KB Output is correct
10 Correct 8 ms 5076 KB Output is correct
11 Correct 36 ms 10700 KB Output is correct
12 Correct 11 ms 5460 KB Output is correct
13 Correct 19 ms 8516 KB Output is correct
14 Correct 2 ms 4308 KB Output is correct
15 Correct 3 ms 4308 KB Output is correct
16 Correct 99 ms 17008 KB Output is correct
17 Runtime error 131 ms 41660 KB Execution killed with signal 11
18 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4180 KB Output is correct
2 Correct 2 ms 4156 KB Output is correct
3 Correct 2 ms 4180 KB Output is correct
4 Correct 2 ms 4180 KB Output is correct
5 Correct 2 ms 4180 KB Output is correct
6 Correct 2 ms 4180 KB Output is correct
7 Correct 2 ms 4180 KB Output is correct
8 Correct 3 ms 4180 KB Output is correct
9 Correct 97 ms 17064 KB Output is correct
10 Correct 8 ms 5076 KB Output is correct
11 Correct 36 ms 10700 KB Output is correct
12 Correct 11 ms 5460 KB Output is correct
13 Correct 19 ms 8516 KB Output is correct
14 Correct 2 ms 4308 KB Output is correct
15 Correct 3 ms 4308 KB Output is correct
16 Correct 99 ms 17008 KB Output is correct
17 Correct 2 ms 4180 KB Output is correct
18 Correct 2 ms 4180 KB Output is correct
19 Correct 2 ms 4180 KB Output is correct
20 Correct 2 ms 4180 KB Output is correct
21 Correct 2 ms 4180 KB Output is correct
22 Correct 2 ms 4180 KB Output is correct
23 Correct 246 ms 30524 KB Output is correct
24 Correct 2 ms 4220 KB Output is correct
25 Correct 3 ms 4308 KB Output is correct
26 Correct 3 ms 4436 KB Output is correct
27 Correct 3 ms 4564 KB Output is correct
28 Correct 70 ms 15220 KB Output is correct
29 Correct 111 ms 20472 KB Output is correct
30 Correct 170 ms 26872 KB Output is correct
31 Correct 239 ms 32208 KB Output is correct
32 Correct 2 ms 4180 KB Output is correct
33 Correct 2 ms 4180 KB Output is correct
34 Correct 2 ms 4180 KB Output is correct
35 Correct 2 ms 4144 KB Output is correct
36 Correct 2 ms 4192 KB Output is correct
37 Correct 2 ms 4180 KB Output is correct
38 Correct 2 ms 4180 KB Output is correct
39 Correct 2 ms 4180 KB Output is correct
40 Correct 2 ms 4180 KB Output is correct
41 Correct 2 ms 4180 KB Output is correct
42 Correct 2 ms 4180 KB Output is correct
43 Correct 3 ms 4396 KB Output is correct
44 Correct 3 ms 4436 KB Output is correct
45 Correct 98 ms 17944 KB Output is correct
46 Correct 152 ms 24840 KB Output is correct
47 Correct 156 ms 24764 KB Output is correct
48 Correct 2 ms 4144 KB Output is correct
49 Correct 2 ms 4180 KB Output is correct
50 Correct 2 ms 4180 KB Output is correct
51 Correct 2 ms 4180 KB Output is correct
52 Correct 2 ms 4180 KB Output is correct
53 Correct 2 ms 4180 KB Output is correct
54 Correct 2 ms 4132 KB Output is correct
55 Correct 297 ms 32092 KB Output is correct
56 Correct 2 ms 4180 KB Output is correct
57 Correct 3 ms 4360 KB Output is correct
58 Correct 6 ms 4692 KB Output is correct
59 Correct 6 ms 5044 KB Output is correct
60 Correct 94 ms 17828 KB Output is correct
61 Correct 155 ms 23400 KB Output is correct
62 Correct 173 ms 27524 KB Output is correct
63 Correct 243 ms 32212 KB Output is correct
64 Correct 2 ms 4180 KB Output is correct
65 Correct 2 ms 4180 KB Output is correct
66 Correct 2 ms 4136 KB Output is correct
67 Correct 264 ms 32112 KB Output is correct
68 Correct 287 ms 32184 KB Output is correct
69 Correct 280 ms 32016 KB Output is correct
70 Correct 3 ms 4564 KB Output is correct
71 Correct 6 ms 4908 KB Output is correct
72 Correct 94 ms 17796 KB Output is correct
73 Correct 161 ms 25456 KB Output is correct
74 Correct 247 ms 32124 KB Output is correct
75 Correct 304 ms 33808 KB Output is correct
76 Correct 269 ms 32132 KB Output is correct
77 Correct 4 ms 4692 KB Output is correct
78 Correct 6 ms 5076 KB Output is correct
79 Correct 100 ms 18196 KB Output is correct
80 Correct 157 ms 26136 KB Output is correct
81 Correct 256 ms 33152 KB Output is correct
82 Runtime error 6 ms 6708 KB Execution killed with signal 11
83 Halted 0 ms 0 KB -