oj.uz

답안 #850191

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
850191 2023-09-16T01:57:50 Z CodePlatina 가장 긴 여행 (IOI23_longesttrip) C++17
60 / 100
 855 ms 2036 KB 
#include "longesttrip.h"
#include <iostream>
#include <algorithm>
#define pii pair<int, int>
#define ff first
#define ss second
using namespace std;

vector<int> gph[404];
bool chc[404];
bool vst[404];

void dfs(int x)
{
    vst[x] = true;
    for(auto y : gph[x]) if(chc[y] && !vst[y]) dfs(y);
}

vector<vector<int>> cmpn(int N)
{
    fill(vst, vst + N, false);
    for(int i = 0; i < N; ++i) if(chc[i]) { dfs(i); break; }

    vector<int> r1, r2;
    for(int i = 0; i < N; ++i) if(chc[i])
    {
        if(vst[i]) r1.push_back(i);
        else r2.push_back(i);
    }

    if(r2.empty()) return {r1};
    else return {r1, r2};
}

vector<int> longest_trip(int N, int d)
{
    for(int i = 0; i < N; ++i) gph[i].clear();
    fill(chc, chc + N, true); 

    for(int i = 0; i < N; ++i)
    {
        for(int j = i + 1; j < N; ++j)
        {
            if(are_connected(vector<int>{i}, vector<int>{j}))
            {
                gph[i].push_back(j);
                gph[j].push_back(i);
            }
        }
    }

    auto V = cmpn(N);
    if(V.size() == 2)
    {
        if(V[0].size() < V[1].size()) swap(V[0], V[1]);
        return V[0];
    }

    int x;
    for(int i = 0; i < N; ++i)
    {
        chc[i] = false;
        if(cmpn(N).size() == 1)
        {
            x = i;
            break;
        }
        chc[i] = true;
    }

    vector<int> ret{x};
    for(int k = 1; k < N; ++k)
    {
        for(auto i : gph[x]) if(chc[i])
        {
            chc[i] = false;
            if(cmpn(N).size() == 1)
            {
                x = i;
                ret.push_back(x);
                break;
            }
            chc[i] = true;
        }
    }

    return ret;
}

Subtask #0
0.0 / 0.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 170 ms 1908 KB Output is correct

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 344 KB Output is correct
2 Correct 25 ms 344 KB Output is correct
3 Correct 127 ms 856 KB Output is correct
4 Correct 369 ms 1112 KB Output is correct
5 Correct 784 ms 1116 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 344 KB Output is correct
2 Correct 26 ms 344 KB Output is correct
3 Correct 122 ms 860 KB Output is correct
4 Correct 358 ms 1112 KB Output is correct
5 Correct 830 ms 1528 KB Output is correct
6 Correct 8 ms 344 KB Output is correct
7 Correct 21 ms 344 KB Output is correct
8 Correct 117 ms 1112 KB Output is correct
9 Correct 285 ms 1224 KB Output is correct
10 Correct 750 ms 1628 KB Output is correct
11 Correct 787 ms 1496 KB Output is correct
12 Correct 769 ms 1788 KB Output is correct
13 Correct 727 ms 1524 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 344 KB Output is correct
2 Correct 24 ms 344 KB Output is correct
3 Correct 133 ms 704 KB Output is correct
4 Correct 373 ms 960 KB Output is correct
5 Correct 770 ms 1612 KB Output is correct
6 Correct 7 ms 344 KB Output is correct
7 Correct 22 ms 344 KB Output is correct
8 Correct 125 ms 600 KB Output is correct
9 Correct 267 ms 1368 KB Output is correct
10 Correct 812 ms 1140 KB Output is correct
11 Correct 771 ms 1632 KB Output is correct
12 Correct 710 ms 1348 KB Output is correct
13 Correct 764 ms 1252 KB Output is correct
14 Correct 7 ms 344 KB Output is correct
15 Correct 11 ms 592 KB Output is correct
16 Correct 38 ms 344 KB Output is correct
17 Correct 71 ms 600 KB Output is correct
18 Correct 124 ms 600 KB Output is correct
19 Correct 284 ms 1128 KB Output is correct
20 Correct 265 ms 980 KB Output is correct
21 Correct 786 ms 1936 KB Output is correct
22 Correct 799 ms 1496 KB Output is correct
23 Correct 783 ms 1256 KB Output is correct
24 Correct 789 ms 1684 KB Output is correct
25 Correct 11 ms 344 KB Output is correct
26 Correct 9 ms 344 KB Output is correct
27 Correct 22 ms 344 KB Output is correct
28 Correct 25 ms 344 KB Output is correct
29 Correct 18 ms 344 KB Output is correct
30 Correct 161 ms 704 KB Output is correct
31 Correct 174 ms 964 KB Output is correct
32 Correct 186 ms 448 KB Output is correct
33 Correct 258 ms 856 KB Output is correct
34 Correct 255 ms 600 KB Output is correct
35 Correct 267 ms 980 KB Output is correct
36 Correct 726 ms 1488 KB Output is correct
37 Correct 752 ms 1532 KB Output is correct
38 Correct 723 ms 1316 KB Output is correct
39 Correct 772 ms 1688 KB Output is correct
40 Correct 738 ms 1652 KB Output is correct
41 Correct 765 ms 1440 KB Output is correct
42 Correct 783 ms 1268 KB Output is correct
43 Correct 744 ms 1580 KB Output is correct
44 Correct 769 ms 1432 KB Output is correct
45 Correct 9 ms 344 KB Output is correct
46 Correct 7 ms 340 KB Output is correct
47 Correct 19 ms 344 KB Output is correct
48 Correct 28 ms 344 KB Output is correct
49 Correct 23 ms 344 KB Output is correct
50 Correct 173 ms 956 KB Output is correct
51 Correct 157 ms 1216 KB Output is correct
52 Correct 174 ms 960 KB Output is correct
53 Correct 263 ms 1216 KB Output is correct
54 Correct 261 ms 724 KB Output is correct
55 Correct 286 ms 1368 KB Output is correct
56 Correct 805 ms 1628 KB Output is correct
57 Correct 766 ms 1620 KB Output is correct
58 Correct 775 ms 1788 KB Output is correct
59 Correct 757 ms 1500 KB Output is correct
60 Correct 776 ms 1760 KB Output is correct
61 Correct 772 ms 976 KB Output is correct
62 Correct 712 ms 1236 KB Output is correct
63 Correct 734 ms 1340 KB Output is correct
64 Correct 814 ms 1328 KB Output is correct

Subtask #4
19.999999998 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 344 KB Output is correct
2 Correct 23 ms 344 KB Output is correct
3 Partially correct 124 ms 964 KB Output is partially correct
4 Partially correct 349 ms 916 KB Output is partially correct
5 Partially correct 781 ms 1252 KB Output is partially correct
6 Correct 7 ms 344 KB Output is correct
7 Correct 23 ms 344 KB Output is correct
8 Partially correct 125 ms 600 KB Output is partially correct
9 Partially correct 286 ms 956 KB Output is partially correct
10 Partially correct 811 ms 1672 KB Output is partially correct
11 Partially correct 774 ms 1188 KB Output is partially correct
12 Partially correct 767 ms 1884 KB Output is partially correct
13 Partially correct 747 ms 1400 KB Output is partially correct
14 Correct 7 ms 344 KB Output is correct
15 Correct 10 ms 344 KB Output is correct
16 Correct 37 ms 344 KB Output is correct
17 Partially correct 76 ms 856 KB Output is partially correct
18 Partially correct 113 ms 600 KB Output is partially correct
19 Partially correct 275 ms 1368 KB Output is partially correct
20 Partially correct 270 ms 1368 KB Output is partially correct
21 Correct 9 ms 344 KB Output is correct
22 Correct 10 ms 344 KB Output is correct
23 Correct 25 ms 344 KB Output is correct
24 Correct 25 ms 344 KB Output is correct
25 Correct 28 ms 344 KB Output is correct
26 Partially correct 180 ms 960 KB Output is partially correct
27 Partially correct 181 ms 960 KB Output is partially correct
28 Partially correct 163 ms 964 KB Output is partially correct
29 Partially correct 259 ms 732 KB Output is partially correct
30 Partially correct 247 ms 844 KB Output is partially correct
31 Partially correct 279 ms 852 KB Output is partially correct
32 Correct 9 ms 344 KB Output is correct
33 Correct 9 ms 344 KB Output is correct
34 Correct 22 ms 344 KB Output is correct
35 Correct 24 ms 344 KB Output is correct
36 Correct 27 ms 344 KB Output is correct
37 Partially correct 161 ms 704 KB Output is partially correct
38 Partially correct 173 ms 444 KB Output is partially correct
39 Partially correct 159 ms 700 KB Output is partially correct
40 Partially correct 271 ms 724 KB Output is partially correct
41 Partially correct 272 ms 964 KB Output is partially correct
42 Partially correct 261 ms 856 KB Output is partially correct
43 Partially correct 723 ms 1680 KB Output is partially correct
44 Partially correct 747 ms 1824 KB Output is partially correct
45 Partially correct 786 ms 1408 KB Output is partially correct
46 Partially correct 804 ms 1256 KB Output is partially correct
47 Partially correct 777 ms 1368 KB Output is partially correct
48 Partially correct 699 ms 1736 KB Output is partially correct
49 Partially correct 730 ms 1484 KB Output is partially correct
50 Partially correct 728 ms 1616 KB Output is partially correct
51 Partially correct 739 ms 1884 KB Output is partially correct
52 Partially correct 752 ms 1772 KB Output is partially correct
53 Partially correct 757 ms 1284 KB Output is partially correct
54 Partially correct 795 ms 1592 KB Output is partially correct
55 Partially correct 770 ms 1556 KB Output is partially correct
56 Partially correct 798 ms 1880 KB Output is partially correct
57 Partially correct 723 ms 1600 KB Output is partially correct
58 Partially correct 804 ms 1600 KB Output is partially correct
59 Partially correct 779 ms 1436 KB Output is partially correct
60 Partially correct 734 ms 1508 KB Output is partially correct
61 Partially correct 762 ms 1248 KB Output is partially correct
62 Partially correct 775 ms 1852 KB Output is partially correct
63 Partially correct 855 ms 1296 KB Output is partially correct
64 Partially correct 767 ms 2036 KB Output is partially correct
65 Partially correct 762 ms 1368 KB Output is partially correct
66 Partially correct 794 ms 1256 KB Output is partially correct
67 Partially correct 767 ms 848 KB Output is partially correct
68 Partially correct 763 ms 1164 KB Output is partially correct
69 Partially correct 782 ms 1532 KB Output is partially correct
70 Partially correct 814 ms 1596 KB Output is partially correct
71 Partially correct 765 ms 1544 KB Output is partially correct
72 Partially correct 764 ms 1192 KB Output is partially correct
73 Partially correct 784 ms 1504 KB Output is partially correct
74 Partially correct 792 ms 1564 KB Output is partially correct
75 Partially correct 746 ms 1040 KB Output is partially correct
76 Partially correct 722 ms 1540 KB Output is partially correct
77 Partially correct 782 ms 1132 KB Output is partially correct
78 Partially correct 790 ms 1856 KB Output is partially correct
79 Partially correct 772 ms 1788 KB Output is partially correct
80 Partially correct 812 ms 1764 KB Output is partially correct
81 Partially correct 737 ms 1220 KB Output is partially correct
82 Partially correct 780 ms 1532 KB Output is partially correct