oj.uz

Submission #859095

# Submission time Handle Problem Language Result Execution time Memory
859095 2023-10-09T16:59:19 Z Ludissey Longest Trip (IOI23_longesttrip) C++17
15 / 100
 10 ms 608 KB 
#include <bits/stdc++.h>
#include "longesttrip.h"
using namespace std;
 
std::vector<int> longest_trip(int n, int d)
{
    vector<int> A;
    vector<int> B;
    A.push_back(0);
    for (int i = 1; i < n; i++)
    {
        if(are_connected({i}, {A.back()})) A.push_back(i);
        else if(B.size()==0 || are_connected({i}, {B.back()})) B.push_back(i);
        else {
            for (int x = B.size()-1; x >= 0; x--) A.push_back(B[x]);
            B.clear();
            B.push_back(i);
        }
    }
    if(A.size()<B.size()) swap(A,B);
    vector<int> outp;
    if(B.size()==0 || !are_connected({A},{B})) return A;
    int aN=A.size(), bN=B.size();
    if(are_connected({A[aN-1]}, {B[bN-1]})){
        for (int i = 0; i < aN; i++) outp.push_back(A[i]);
        for (int i = bN-1; i >= 0; i--) outp.push_back(B[i]);
        // cout << "method1\n";
    }else if(are_connected({A[aN-1]}, {B[0]})){
        for (int i = 0; i < aN; i++) outp.push_back(A[i]);
        for (int i = 0; i < bN; i++) outp.push_back(B[i]);
        //cout << A.size() << " " << B.size() << " method2\n";
    }else if(are_connected({A[0]}, {B[bN-1]})){
        for (int i = aN-1; i >= 0; i--) outp.push_back(A[i]);
        for (int i = bN-1; i >= 0; i--) outp.push_back(B[i]);
        //cout << "method3\n";
    }else if(are_connected({A[0]}, {B[0]})){
        for (int i = aN-1; i >= 0; i--) outp.push_back(A[i]);
        for (int i = 0; i < bN; i++) outp.push_back(B[i]);
        //cout << "method4\n";
    }else{
        int aConnect=0;
        int l=0;
        int r=aN-1;
        while(l<r)
        {
            int mid=(l+r)/2;
            vector<int> vec;
            for (int i = l; i <= mid; i++) vec.push_back(A[i]);
            
            if(are_connected(vec, B)){
                aConnect=mid;
                r=mid;
            }else{
                l=mid+1;
            }
        }
        int bConnect=0;
        l=0;
        r=bN-1;
        while(l<r)
        {
            int mid=(l+r)/2;
            vector<int> vec;
            for (int i = l; i <= mid; i++) vec.push_back(B[i]);
            
            if(are_connected(vec, {A[aConnect]})){
                bConnect=mid;
                r=mid;
            }else{
                l=mid+1;
            }
        }
        for (int i = aConnect+1; i < aN; i++) outp.push_back(A[i]);
        for (int i = 0; i <= aConnect; i++) outp.push_back(A[i]);
        for (int i = bConnect; i < bN; i++) outp.push_back(B[i]);
        for (int i = 0; i < bConnect; i++) outp.push_back(B[i]);
        //cout << "methodLast\n";
    }
    return outp;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory 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

# Verdict Execution time Memory Grader output
1 Correct 5 ms 344 KB Output is correct
2 Correct 4 ms 344 KB Output is correct
3 Correct 4 ms 596 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 4 ms 344 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 344 KB Output is correct
2 Correct 4 ms 344 KB Output is correct
3 Correct 4 ms 344 KB Output is correct
4 Correct 5 ms 344 KB Output is correct
5 Correct 5 ms 344 KB Output is correct
6 Correct 9 ms 344 KB Output is correct
7 Correct 5 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 5 ms 344 KB Output is correct
10 Correct 4 ms 596 KB Output is correct
11 Correct 5 ms 344 KB Output is correct
12 Correct 6 ms 600 KB Output is correct
13 Correct 4 ms 344 KB Output is correct

Subtask #3
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 344 KB Output is correct
2 Correct 5 ms 344 KB Output is correct
3 Correct 4 ms 344 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 5 ms 344 KB Output is correct
6 Correct 9 ms 344 KB Output is correct
7 Correct 7 ms 344 KB Output is correct
8 Correct 4 ms 344 KB Output is correct
9 Correct 5 ms 344 KB Output is correct
10 Correct 4 ms 344 KB Output is correct
11 Correct 5 ms 344 KB Output is correct
12 Correct 4 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 8 ms 344 KB Output is correct
15 Correct 7 ms 344 KB Output is correct
16 Correct 8 ms 596 KB Output is correct
17 Correct 6 ms 344 KB Output is correct
18 Correct 6 ms 344 KB Output is correct
19 Correct 5 ms 344 KB Output is correct
20 Correct 5 ms 344 KB Output is correct
21 Correct 5 ms 444 KB Output is correct
22 Correct 5 ms 600 KB Output is correct
23 Correct 5 ms 596 KB Output is correct
24 Correct 5 ms 436 KB Output is correct
25 Correct 7 ms 344 KB Output is correct
26 Correct 8 ms 344 KB Output is correct
27 Correct 5 ms 344 KB Output is correct
28 Correct 7 ms 344 KB Output is correct
29 Correct 7 ms 344 KB Output is correct
30 Correct 4 ms 344 KB Output is correct
31 Correct 5 ms 344 KB Output is correct
32 Correct 6 ms 344 KB Output is correct
33 Correct 6 ms 344 KB Output is correct
34 Correct 5 ms 512 KB Output is correct
35 Correct 5 ms 344 KB Output is correct
36 Correct 5 ms 504 KB Output is correct
37 Correct 4 ms 344 KB Output is correct
38 Correct 5 ms 344 KB Output is correct
39 Correct 6 ms 600 KB Output is correct
40 Correct 6 ms 608 KB Output is correct
41 Correct 7 ms 600 KB Output is correct
42 Correct 6 ms 344 KB Output is correct
43 Correct 7 ms 344 KB Output is correct
44 Correct 8 ms 600 KB Output is correct
45 Correct 8 ms 344 KB Output is correct
46 Correct 9 ms 344 KB Output is correct
47 Correct 7 ms 344 KB Output is correct
48 Correct 10 ms 344 KB Output is correct
49 Correct 7 ms 344 KB Output is correct
50 Correct 5 ms 344 KB Output is correct
51 Incorrect 2 ms 344 KB Incorrect
52 Halted 0 ms 0 KB -

Subtask #4
0.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 344 KB Output is correct
2 Correct 5 ms 344 KB Output is correct
3 Correct 5 ms 344 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 4 ms 436 KB Output is correct
6 Correct 9 ms 344 KB Output is correct
7 Correct 6 ms 344 KB Output is correct
8 Correct 4 ms 344 KB Output is correct
9 Correct 5 ms 596 KB Output is correct
10 Correct 4 ms 600 KB Output is correct
11 Correct 4 ms 440 KB Output is correct
12 Correct 4 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 7 ms 344 KB Output is correct
15 Correct 10 ms 344 KB Output is correct
16 Correct 7 ms 344 KB Output is correct
17 Correct 5 ms 344 KB Output is correct
18 Correct 6 ms 344 KB Output is correct
19 Correct 5 ms 344 KB Output is correct
20 Correct 5 ms 344 KB Output is correct
21 Correct 7 ms 344 KB Output is correct
22 Correct 8 ms 344 KB Output is correct
23 Correct 5 ms 344 KB Output is correct
24 Correct 5 ms 344 KB Output is correct
25 Correct 6 ms 344 KB Output is correct
26 Correct 5 ms 344 KB Output is correct
27 Correct 6 ms 344 KB Output is correct
28 Correct 7 ms 344 KB Output is correct
29 Correct 5 ms 344 KB Output is correct
30 Correct 4 ms 344 KB Output is correct
31 Correct 5 ms 344 KB Output is correct
32 Correct 8 ms 344 KB Output is correct
33 Correct 8 ms 344 KB Output is correct
34 Correct 9 ms 344 KB Output is correct
35 Correct 8 ms 344 KB Output is correct
36 Correct 9 ms 344 KB Output is correct
37 Correct 5 ms 344 KB Output is correct
38 Incorrect 4 ms 344 KB Incorrect
39 Halted 0 ms 0 KB -