oj.uz

Submission #836756

# Submission time Handle Problem Language Result Execution time Memory
836756 2023-08-24T15:11:46 Z ma_moutahid Fountain Parks (IOI21_parks) C++17
15 / 100
 322 ms 32120 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));
    }
    for(int i=0;i<n;i++){
        auto itr=f.find(pi(x[i]+2,y[i]));
        if(itr!=f.end()){
            u.push_back(i);
            v.push_back(itr->second);
            a.push_back(x[i]+1);
            b.push_back(y[i]+1);
            connect(i,itr->second);
        }
        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);
            b.push_back(y[i]+1);
            connect(i,itr->second);
        }
    }
    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 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 240 KB Output is correct
9 Correct 98 ms 13912 KB Output is correct
10 Correct 7 ms 1876 KB Output is correct
11 Correct 38 ms 7756 KB Output is correct
12 Correct 10 ms 2644 KB Output is correct
13 Correct 21 ms 5168 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 98 ms 13976 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 240 KB Output is correct
9 Correct 98 ms 13912 KB Output is correct
10 Correct 7 ms 1876 KB Output is correct
11 Correct 38 ms 7756 KB Output is correct
12 Correct 10 ms 2644 KB Output is correct
13 Correct 21 ms 5168 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 98 ms 13976 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 321 ms 32016 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 2 ms 848 KB Output is correct
27 Correct 2 ms 852 KB Output is correct
28 Correct 102 ms 13356 KB Output is correct
29 Correct 159 ms 19452 KB Output is correct
30 Correct 259 ms 25828 KB Output is correct
31 Correct 322 ms 32120 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 2 ms 592 KB Output is correct
44 Correct 2 ms 596 KB Output is correct
45 Correct 114 ms 14060 KB Output is correct
46 Correct 184 ms 20012 KB Output is correct
47 Correct 195 ms 20004 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 240 KB Output is correct
9 Correct 98 ms 13912 KB Output is correct
10 Correct 7 ms 1876 KB Output is correct
11 Correct 38 ms 7756 KB Output is correct
12 Correct 10 ms 2644 KB Output is correct
13 Correct 21 ms 5168 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 98 ms 13976 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 321 ms 32016 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 2 ms 848 KB Output is correct
27 Correct 2 ms 852 KB Output is correct
28 Correct 102 ms 13356 KB Output is correct
29 Correct 159 ms 19452 KB Output is correct
30 Correct 259 ms 25828 KB Output is correct
31 Correct 322 ms 32120 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 2 ms 592 KB Output is correct
44 Correct 2 ms 596 KB Output is correct
45 Correct 114 ms 14060 KB Output is correct
46 Correct 184 ms 20012 KB Output is correct
47 Correct 195 ms 20004 KB Output is correct
48 Incorrect 1 ms 212 KB Tree (a[0], b[0]) = (9, 3) is not adjacent to edge between u[0]=0 @(6, 2) and v[0]=2 @(6, 4)
49 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 240 KB Output is correct
9 Correct 98 ms 13912 KB Output is correct
10 Correct 7 ms 1876 KB Output is correct
11 Correct 38 ms 7756 KB Output is correct
12 Correct 10 ms 2644 KB Output is correct
13 Correct 21 ms 5168 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 98 ms 13976 KB Output is correct
17 Incorrect 1 ms 212 KB Tree (a[0], b[0]) = (399997, 3) is not adjacent to edge between u[0]=0 @(200000, 2) and v[0]=1 @(200000, 4)
18 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 240 KB Output is correct
9 Correct 98 ms 13912 KB Output is correct
10 Correct 7 ms 1876 KB Output is correct
11 Correct 38 ms 7756 KB Output is correct
12 Correct 10 ms 2644 KB Output is correct
13 Correct 21 ms 5168 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 98 ms 13976 KB Output is correct
17 Incorrect 285 ms 27280 KB Tree (a[1], b[1]) = (200001, 52499) is not adjacent to edge between u[1]=1 @(100002, 52498) and v[1]=117727 @(100002, 52500)
18 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 240 KB Output is correct
9 Correct 98 ms 13912 KB Output is correct
10 Correct 7 ms 1876 KB Output is correct
11 Correct 38 ms 7756 KB Output is correct
12 Correct 10 ms 2644 KB Output is correct
13 Correct 21 ms 5168 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 98 ms 13976 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 321 ms 32016 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 2 ms 848 KB Output is correct
27 Correct 2 ms 852 KB Output is correct
28 Correct 102 ms 13356 KB Output is correct
29 Correct 159 ms 19452 KB Output is correct
30 Correct 259 ms 25828 KB Output is correct
31 Correct 322 ms 32120 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 2 ms 592 KB Output is correct
44 Correct 2 ms 596 KB Output is correct
45 Correct 114 ms 14060 KB Output is correct
46 Correct 184 ms 20012 KB Output is correct
47 Correct 195 ms 20004 KB Output is correct
48 Incorrect 1 ms 212 KB Tree (a[0], b[0]) = (9, 3) is not adjacent to edge between u[0]=0 @(6, 2) and v[0]=2 @(6, 4)
49 Halted 0 ms 0 KB -