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Submission #443415

# Submission time Handle Problem Language Result Execution time Memory
443415 2021-07-10T13:06:21 Z leinad2 Fountain Parks (IOI21_parks) C++17
5 / 100
 173 ms 22028 KB 
#include "parks.h"
#include<bits/stdc++.h>
using namespace std;
int par[200010], A[3][100010];
int Find(int v){return v==par[v]?v:par[v]=Find(par[v]);}
int construct_roads(vector<int>x, vector<int>y)
{
    int n, i, j, k;n=x.size();
    for(i=0;i<n;i++)par[i]=i;
    for(i=0;i<n;i++)A[x[i]/2][y[i]/2]=i+1;
    vector<int>u, v, a, b;
    for(i=1;i<=2;i++)
    {
        for(j=1;j<=99999;j++)
        {
            if(A[i][j]&&A[i][j+1])
            {
                int x=A[i][j]-1;int y=A[i][j+1]-1;
                u.push_back(x);
                v.push_back(y);
                a.push_back(4*i-3);
                b.push_back(2*j+1);
                par[Find(x)]=Find(y);
            }
        }
    }
    for(j=1;j<=99999;j++)
    {
        if(A[1][j]&&A[2][j])
        {
            int x=A[1][j]-1;int y=A[2][j]-1;
            u.push_back(x);
            v.push_back(y);
            a.push_back(3);
            b.push_back(2*j+1);
            par[Find(x)]=Find(y);
        }
    }
    for(i=1;i<n;i++)if(Find(i)!=Find(0))return 0;
    build(u, v, a, b);
    return 1;
}

Compilation message

parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)':
parks.cpp:8:18: warning: unused variable 'k' [-Wunused-variable]
    8 |     int n, i, j, k;n=x.size();
      |                  ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 62 ms 8484 KB Output is correct
10 Correct 7 ms 1356 KB Output is correct
11 Correct 34 ms 4804 KB Output is correct
12 Correct 10 ms 1740 KB Output is correct
13 Correct 15 ms 2468 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Correct 62 ms 8116 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 62 ms 8484 KB Output is correct
10 Correct 7 ms 1356 KB Output is correct
11 Correct 34 ms 4804 KB Output is correct
12 Correct 10 ms 1740 KB Output is correct
13 Correct 15 ms 2468 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Correct 62 ms 8116 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 304 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 173 ms 22028 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 2 ms 460 KB Output is correct
26 Correct 2 ms 572 KB Output is correct
27 Correct 2 ms 588 KB Output is correct
28 Correct 65 ms 9084 KB Output is correct
29 Correct 98 ms 13396 KB Output is correct
30 Correct 140 ms 17764 KB Output is correct
31 Correct 169 ms 22028 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 204 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 1 ms 204 KB Output is correct
41 Correct 1 ms 204 KB Output is correct
42 Incorrect 1 ms 308 KB Solution announced impossible, but it is possible.
43 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 62 ms 8484 KB Output is correct
10 Correct 7 ms 1356 KB Output is correct
11 Correct 34 ms 4804 KB Output is correct
12 Correct 10 ms 1740 KB Output is correct
13 Correct 15 ms 2468 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Correct 62 ms 8116 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 304 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 173 ms 22028 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 2 ms 460 KB Output is correct
26 Correct 2 ms 572 KB Output is correct
27 Correct 2 ms 588 KB Output is correct
28 Correct 65 ms 9084 KB Output is correct
29 Correct 98 ms 13396 KB Output is correct
30 Correct 140 ms 17764 KB Output is correct
31 Correct 169 ms 22028 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 204 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 1 ms 204 KB Output is correct
41 Correct 1 ms 204 KB Output is correct
42 Incorrect 1 ms 308 KB Solution announced impossible, but it is possible.
43 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 62 ms 8484 KB Output is correct
10 Correct 7 ms 1356 KB Output is correct
11 Correct 34 ms 4804 KB Output is correct
12 Correct 10 ms 1740 KB Output is correct
13 Correct 15 ms 2468 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Correct 62 ms 8116 KB Output is correct
17 Runtime error 1 ms 384 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 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 62 ms 8484 KB Output is correct
10 Correct 7 ms 1356 KB Output is correct
11 Correct 34 ms 4804 KB Output is correct
12 Correct 10 ms 1740 KB Output is correct
13 Correct 15 ms 2468 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Correct 62 ms 8116 KB Output is correct
17 Runtime error 50 ms 8296 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 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 62 ms 8484 KB Output is correct
10 Correct 7 ms 1356 KB Output is correct
11 Correct 34 ms 4804 KB Output is correct
12 Correct 10 ms 1740 KB Output is correct
13 Correct 15 ms 2468 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Correct 62 ms 8116 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 304 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 173 ms 22028 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 2 ms 460 KB Output is correct
26 Correct 2 ms 572 KB Output is correct
27 Correct 2 ms 588 KB Output is correct
28 Correct 65 ms 9084 KB Output is correct
29 Correct 98 ms 13396 KB Output is correct
30 Correct 140 ms 17764 KB Output is correct
31 Correct 169 ms 22028 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 204 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 1 ms 204 KB Output is correct
41 Correct 1 ms 204 KB Output is correct
42 Incorrect 1 ms 308 KB Solution announced impossible, but it is possible.
43 Halted 0 ms 0 KB -