답안 #1077992

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1077992	2024-08-27T11:27:45 Z	PanosPask	가장 긴 여행 (IOI23_longesttrip)	C++17	85 / 100	17 ms	696 KB

longesttrip

#include "longesttrip.h"
#include <bits/stdc++.h>
#define pb push_back

using namespace std;

void extend(vector<int>& a, vector<int>& b, int first, int last)
{
    for (int i = first; i <= last; i++) {
        a.pb(b[i]);
    }
}

bool connected(vector<int> v1, vector<int> v2)
{
    v1.resize(unique(v1.begin(), v1.end()) - v1.begin());
    v2.resize(unique(v2.begin(), v2.end()) - v2.begin());

    return are_connected(v1, v2);
}

vector<int> longest_trip(int N, int D)
{
    vector<int> v1, v2;

    v1.pb(0);
    v2.pb(1);

    for (int i = 2; i < N; i++) {
        if (connected({v1.back()}, {i})) {
            v1.pb(i);
        }
        else if (connected({v2.back()}, {i})) {
            v2.pb(i);
        }
        else {
            for (int j = v2.size() - 1; j >= 0; j--) {
                v1.pb(v2[j]);
            }
            v2.clear();
            v2.pb(i);
        }

        if (v1.size() < v2.size()) {
            swap(v1, v2);
        }
    }

    vector<int> res;

    if (connected(v1, v2)) {
        if (connected({v1.front(), v1.back()}, {v2.front(), v2.back()})) {
            // Some endpoints are connected
            if (connected({v1.front()}, {v2.front(), v2.back()})) {
                reverse(v1.begin(), v1.end());
            }
            if (connected({v1.back()}, {v2.back()})) {
                reverse(v2.begin(), v2.end());
            }

            extend(res, v1, 0, v1.size() - 1);
            extend(res, v2, 0, v2.size() - 1);
        }
        else {
            // No endpoints are connected => v1 and v2 are 2 cycles
            int l = 0;
            int r = v1.size();

            while (l + 1 < r) {
                int mid = (l + r) / 2;
                if (connected(vector<int>(v1.begin(), v1.begin() + mid), v2)) {
                    r = mid;
                }
                else {
                    l = mid;
                }
            }

            int p1 = l;
            l = 0;
            r = v2.size();
            while (l + 1 < r) {
                int mid = (l + r) / 2;
                if (connected(vector<int>(v2.begin(), v2.begin() + mid), {v1[p1]})) {
                    r = mid;
                }
                else {
                    l = mid;
                }
            }

            int p2 = l;

            extend(res, v1, p1 + 1, v1.size() - 1);
            extend(res, v1, 0, p1);
            extend(res, v2, p2, v2.size() - 1);
            extend(res, v2, 0, p2 - 1);
        }
    }
    else {
        res = v1;
    }

    return res;
}

Subtask #0

0.0 / 0.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	2 ms	344 KB	Output is correct

Subtask #1

5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	14 ms	344 KB	Output is correct
2	Correct	8 ms	340 KB	Output is correct
3	Correct	8 ms	344 KB	Output is correct
4	Correct	6 ms	344 KB	Output is correct
5	Correct	4 ms	344 KB	Output is correct

Subtask #2

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	344 KB	Output is correct
2	Correct	7 ms	344 KB	Output is correct
3	Correct	5 ms	344 KB	Output is correct
4	Correct	6 ms	340 KB	Output is correct
5	Correct	5 ms	344 KB	Output is correct
6	Correct	14 ms	344 KB	Output is correct
7	Correct	7 ms	344 KB	Output is correct
8	Correct	7 ms	344 KB	Output is correct
9	Correct	7 ms	344 KB	Output is correct
10	Correct	7 ms	344 KB	Output is correct
11	Correct	7 ms	600 KB	Output is correct
12	Correct	7 ms	344 KB	Output is correct
13	Correct	8 ms	344 KB	Output is correct

Subtask #3

25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	344 KB	Output is correct
2	Correct	9 ms	340 KB	Output is correct
3	Correct	6 ms	344 KB	Output is correct
4	Correct	6 ms	344 KB	Output is correct
5	Correct	7 ms	344 KB	Output is correct
6	Correct	13 ms	344 KB	Output is correct
7	Correct	12 ms	344 KB	Output is correct
8	Correct	6 ms	344 KB	Output is correct
9	Correct	7 ms	344 KB	Output is correct
10	Correct	6 ms	344 KB	Output is correct
11	Correct	8 ms	436 KB	Output is correct
12	Correct	7 ms	344 KB	Output is correct
13	Correct	8 ms	344 KB	Output is correct
14	Correct	10 ms	344 KB	Output is correct
15	Correct	8 ms	344 KB	Output is correct
16	Correct	9 ms	344 KB	Output is correct
17	Correct	5 ms	344 KB	Output is correct
18	Correct	7 ms	344 KB	Output is correct
19	Correct	7 ms	344 KB	Output is correct
20	Correct	8 ms	344 KB	Output is correct
21	Correct	4 ms	344 KB	Output is correct
22	Correct	6 ms	344 KB	Output is correct
23	Correct	4 ms	344 KB	Output is correct
24	Correct	4 ms	344 KB	Output is correct
25	Correct	6 ms	344 KB	Output is correct
26	Correct	7 ms	344 KB	Output is correct
27	Correct	6 ms	344 KB	Output is correct
28	Correct	6 ms	344 KB	Output is correct
29	Correct	6 ms	344 KB	Output is correct
30	Correct	5 ms	344 KB	Output is correct
31	Correct	9 ms	344 KB	Output is correct
32	Correct	9 ms	344 KB	Output is correct
33	Correct	5 ms	344 KB	Output is correct
34	Correct	7 ms	344 KB	Output is correct
35	Correct	8 ms	344 KB	Output is correct
36	Correct	5 ms	344 KB	Output is correct
37	Correct	6 ms	344 KB	Output is correct
38	Correct	6 ms	344 KB	Output is correct
39	Correct	7 ms	344 KB	Output is correct
40	Correct	12 ms	344 KB	Output is correct
41	Correct	11 ms	512 KB	Output is correct
42	Correct	12 ms	436 KB	Output is correct
43	Correct	10 ms	344 KB	Output is correct
44	Correct	7 ms	344 KB	Output is correct
45	Correct	17 ms	344 KB	Output is correct
46	Correct	16 ms	344 KB	Output is correct
47	Correct	10 ms	340 KB	Output is correct
48	Correct	8 ms	344 KB	Output is correct
49	Correct	13 ms	344 KB	Output is correct
50	Correct	9 ms	344 KB	Output is correct
51	Correct	10 ms	344 KB	Output is correct
52	Correct	12 ms	344 KB	Output is correct
53	Correct	6 ms	600 KB	Output is correct
54	Correct	8 ms	344 KB	Output is correct
55	Correct	8 ms	444 KB	Output is correct
56	Correct	6 ms	344 KB	Output is correct
57	Correct	8 ms	452 KB	Output is correct
58	Correct	8 ms	600 KB	Output is correct
59	Correct	8 ms	444 KB	Output is correct
60	Correct	7 ms	440 KB	Output is correct
61	Correct	12 ms	344 KB	Output is correct
62	Correct	10 ms	444 KB	Output is correct
63	Correct	11 ms	448 KB	Output is correct
64	Correct	8 ms	344 KB	Output is correct

Subtask #4

45.0 / 60.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	344 KB	Output is correct
2	Correct	11 ms	344 KB	Output is correct
3	Correct	6 ms	344 KB	Output is correct
4	Correct	5 ms	344 KB	Output is correct
5	Correct	10 ms	344 KB	Output is correct
6	Correct	11 ms	344 KB	Output is correct
7	Correct	8 ms	344 KB	Output is correct
8	Correct	8 ms	344 KB	Output is correct
9	Correct	6 ms	600 KB	Output is correct
10	Correct	7 ms	344 KB	Output is correct
11	Correct	5 ms	344 KB	Output is correct
12	Correct	6 ms	340 KB	Output is correct
13	Correct	7 ms	600 KB	Output is correct
14	Correct	7 ms	420 KB	Output is correct
15	Correct	8 ms	344 KB	Output is correct
16	Correct	13 ms	344 KB	Output is correct
17	Correct	10 ms	344 KB	Output is correct
18	Correct	9 ms	428 KB	Output is correct
19	Correct	7 ms	344 KB	Output is correct
20	Correct	7 ms	344 KB	Output is correct
21	Correct	7 ms	344 KB	Output is correct
22	Correct	7 ms	344 KB	Output is correct
23	Correct	9 ms	344 KB	Output is correct
24	Correct	8 ms	344 KB	Output is correct
25	Correct	5 ms	344 KB	Output is correct
26	Correct	6 ms	344 KB	Output is correct
27	Correct	10 ms	344 KB	Output is correct
28	Correct	11 ms	344 KB	Output is correct
29	Correct	6 ms	344 KB	Output is correct
30	Correct	6 ms	344 KB	Output is correct
31	Correct	5 ms	344 KB	Output is correct
32	Correct	12 ms	344 KB	Output is correct
33	Correct	15 ms	344 KB	Output is correct
34	Correct	11 ms	344 KB	Output is correct
35	Correct	8 ms	344 KB	Output is correct
36	Correct	7 ms	344 KB	Output is correct
37	Correct	9 ms	344 KB	Output is correct
38	Correct	8 ms	344 KB	Output is correct
39	Correct	15 ms	344 KB	Output is correct
40	Correct	5 ms	440 KB	Output is correct
41	Correct	7 ms	344 KB	Output is correct
42	Correct	8 ms	344 KB	Output is correct
43	Correct	5 ms	344 KB	Output is correct
44	Correct	6 ms	344 KB	Output is correct
45	Correct	7 ms	592 KB	Output is correct
46	Correct	4 ms	344 KB	Output is correct
47	Correct	5 ms	344 KB	Output is correct
48	Correct	6 ms	344 KB	Output is correct
49	Correct	9 ms	344 KB	Output is correct
50	Correct	9 ms	344 KB	Output is correct
51	Correct	8 ms	344 KB	Output is correct
52	Correct	8 ms	344 KB	Output is correct
53	Partially correct	7 ms	344 KB	Output is partially correct
54	Correct	10 ms	344 KB	Output is correct
55	Correct	8 ms	344 KB	Output is correct
56	Correct	5 ms	344 KB	Output is correct
57	Correct	9 ms	344 KB	Output is correct
58	Correct	10 ms	344 KB	Output is correct
59	Correct	7 ms	344 KB	Output is correct
60	Correct	9 ms	344 KB	Output is correct
61	Correct	9 ms	344 KB	Output is correct
62	Correct	7 ms	696 KB	Output is correct
63	Correct	6 ms	344 KB	Output is correct
64	Correct	6 ms	344 KB	Output is correct
65	Correct	7 ms	344 KB	Output is correct
66	Correct	8 ms	448 KB	Output is correct
67	Partially correct	9 ms	344 KB	Output is partially correct
68	Partially correct	9 ms	444 KB	Output is partially correct
69	Correct	8 ms	448 KB	Output is correct
70	Partially correct	8 ms	344 KB	Output is partially correct
71	Correct	8 ms	448 KB	Output is correct
72	Correct	8 ms	344 KB	Output is correct
73	Correct	9 ms	684 KB	Output is correct
74	Correct	6 ms	344 KB	Output is correct
75	Partially correct	8 ms	424 KB	Output is partially correct
76	Partially correct	8 ms	600 KB	Output is partially correct
77	Correct	5 ms	344 KB	Output is correct
78	Correct	8 ms	456 KB	Output is correct
79	Correct	6 ms	344 KB	Output is correct
80	Correct	8 ms	344 KB	Output is correct
81	Partially correct	9 ms	600 KB	Output is partially correct
82	Partially correct	11 ms	592 KB	Output is partially correct