Submission #1062878

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1062878	2024-08-17T11:30:23 Z	fv3	Fountain Parks (IOI21_parks)	C++17	5 / 100	53 ms	10232 KB

parks

#include "parks.h"
#include <bits/stdc++.h>

using namespace std;

int construct_roads(vector<int> x, vector<int> y) 
{
    if (x.size() == 1) 
    {
        build({}, {}, {}, {});
        return 1;
    }

    // x[i] = 2
    const int N = x.size();

    vector<pair<int, int>> h(N);
    for (int i = 0; i < N; i++)
        h[i] = {y[i], i};
    sort(h.begin(), h.end());

    vector<int> u(N-1), v(N-1), a(N-1), b(N-1);
    for (int i = 0; i < N - 1; i++)
    {
        if (h[i].first + 2 != h[i+1].first) return 0;
        u[i] = h[i].second; v[i] = h[i+1].second;
        a[i] = x[0] - 1; b[i] = h[i].first + 1;
    }

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

Subtask #1

5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	436 KB	Output is correct
9	Correct	35 ms	8284 KB	Output is correct
10	Correct	5 ms	1216 KB	Output is correct
11	Correct	15 ms	4444 KB	Output is correct
12	Correct	5 ms	1628 KB	Output is correct
13	Correct	7 ms	2392 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	41 ms	8284 KB	Output is correct

Subtask #2

0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	436 KB	Output is correct
9	Correct	35 ms	8284 KB	Output is correct
10	Correct	5 ms	1216 KB	Output is correct
11	Correct	15 ms	4444 KB	Output is correct
12	Correct	5 ms	1628 KB	Output is correct
13	Correct	7 ms	2392 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	41 ms	8284 KB	Output is correct
17	Incorrect	0 ms	348 KB	Solution announced impossible, but it is possible.
18	Halted	0 ms	0 KB	-

Subtask #3

0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	436 KB	Output is correct
9	Correct	35 ms	8284 KB	Output is correct
10	Correct	5 ms	1216 KB	Output is correct
11	Correct	15 ms	4444 KB	Output is correct
12	Correct	5 ms	1628 KB	Output is correct
13	Correct	7 ms	2392 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	41 ms	8284 KB	Output is correct
17	Incorrect	0 ms	348 KB	Solution announced impossible, but it is possible.
18	Halted	0 ms	0 KB	-

Subtask #4

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	436 KB	Output is correct
9	Correct	35 ms	8284 KB	Output is correct
10	Correct	5 ms	1216 KB	Output is correct
11	Correct	15 ms	4444 KB	Output is correct
12	Correct	5 ms	1628 KB	Output is correct
13	Correct	7 ms	2392 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	41 ms	8284 KB	Output is correct
17	Incorrect	1 ms	432 KB	Solution announced impossible, but it is possible.
18	Halted	0 ms	0 KB	-

Subtask #5

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	436 KB	Output is correct
9	Correct	35 ms	8284 KB	Output is correct
10	Correct	5 ms	1216 KB	Output is correct
11	Correct	15 ms	4444 KB	Output is correct
12	Correct	5 ms	1628 KB	Output is correct
13	Correct	7 ms	2392 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	41 ms	8284 KB	Output is correct
17	Incorrect	53 ms	10232 KB	Solution announced impossible, but it is possible.
18	Halted	0 ms	0 KB	-

Subtask #6

0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	436 KB	Output is correct
9	Correct	35 ms	8284 KB	Output is correct
10	Correct	5 ms	1216 KB	Output is correct
11	Correct	15 ms	4444 KB	Output is correct
12	Correct	5 ms	1628 KB	Output is correct
13	Correct	7 ms	2392 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	41 ms	8284 KB	Output is correct
17	Incorrect	0 ms	348 KB	Solution announced impossible, but it is possible.
18	Halted	0 ms	0 KB	-