oj.uz

Submission #1028931

# Submission time Handle Problem Language Result Execution time Memory
1028931 2024-07-20T10:29:28 Z Mr_Husanboy Longest Trip (IOI23_longesttrip) C++17
40 / 100
 12 ms 600 KB 
#include "longesttrip.h"
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define ff first
#define ss second
#define all(a) (a).begin(), (a).end()

template<typename T>
int len(T &a){return a.size();}


int ask(int a, int b){
    return are_connected({a}, {b});
}


vector<int> longest_trip(int n, int d)
{
    if(d >= 2){
        deque<int> cur = {0};
        vector<int> done(n, 0);
        done[0] = 1;
        for(int i = 1; i < n; i ++){
            if(ask(cur[0], i)){
                cur.push_back(i);
                done[i] = 1;
                break;
            }
        }
        for(int i = 0; i < n; i ++){
            if(done[i]) continue;
            if(ask(cur[0], i)){
                cur.push_front(i);
            }else cur.push_back(i);
        }
        vector<int> res;
        for(auto u : cur) res.push_back(u);
        return res;  
    }
    deque<int> a = {0}, b = {1};
    for(int i = 2; i < n; i ++){
        if(ask(a.back(), i)){
            a.push_back(i);
        }else if(ask(b.back(), i)){
            b.push_back(i);
        }else{
            for(int i = len(b) - 1; i >= 0; i --) a.push_back(b[i]);
            b = {i};
        }
    }
    if(len(b) > len(a)) swap(a, b);
    vector<int> res;
    for(auto u : a) res.push_back(u);
    return res;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Incorrect
2 Halted 0 ms 0 KB -

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory 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 5 ms 344 KB Output is correct
5 Correct 5 ms 344 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 344 KB Output is correct
2 Correct 8 ms 344 KB Output is correct
3 Correct 7 ms 344 KB Output is correct
4 Correct 7 ms 344 KB Output is correct
5 Correct 5 ms 344 KB Output is correct
6 Correct 5 ms 344 KB Output is correct
7 Correct 5 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 5 ms 344 KB Output is correct
13 Correct 6 ms 344 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 6 ms 344 KB Output is correct
3 Correct 5 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 4 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 5 ms 432 KB Output is correct
11 Correct 5 ms 344 KB Output is correct
12 Correct 5 ms 344 KB Output is correct
13 Correct 7 ms 344 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 4 ms 344 KB Output is correct
16 Correct 6 ms 344 KB Output is correct
17 Correct 6 ms 344 KB Output is correct
18 Correct 6 ms 344 KB Output is correct
19 Correct 4 ms 344 KB Output is correct
20 Correct 6 ms 344 KB Output is correct
21 Correct 6 ms 344 KB Output is correct
22 Correct 6 ms 436 KB Output is correct
23 Correct 4 ms 344 KB Output is correct
24 Correct 5 ms 344 KB Output is correct
25 Correct 5 ms 344 KB Output is correct
26 Correct 5 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 6 ms 344 KB Output is correct
30 Correct 6 ms 344 KB Output is correct
31 Correct 7 ms 344 KB Output is correct
32 Correct 12 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 6 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 7 ms 344 KB Output is correct
39 Correct 8 ms 344 KB Output is correct
40 Correct 7 ms 344 KB Output is correct
41 Correct 7 ms 344 KB Output is correct
42 Correct 7 ms 344 KB Output is correct
43 Correct 7 ms 344 KB Output is correct
44 Correct 7 ms 344 KB Output is correct
45 Correct 6 ms 344 KB Output is correct
46 Correct 5 ms 344 KB Output is correct
47 Correct 4 ms 344 KB Output is correct
48 Correct 5 ms 344 KB Output is correct
49 Correct 8 ms 344 KB Output is correct
50 Correct 5 ms 344 KB Output is correct
51 Correct 7 ms 344 KB Output is correct
52 Correct 7 ms 344 KB Output is correct
53 Correct 5 ms 344 KB Output is correct
54 Correct 7 ms 344 KB Output is correct
55 Correct 6 ms 344 KB Output is correct
56 Correct 6 ms 344 KB Output is correct
57 Correct 7 ms 344 KB Output is correct
58 Correct 7 ms 344 KB Output is correct
59 Correct 6 ms 432 KB Output is correct
60 Correct 7 ms 344 KB Output is correct
61 Correct 7 ms 344 KB Output is correct
62 Correct 11 ms 600 KB Output is correct
63 Correct 7 ms 344 KB Output is correct
64 Correct 8 ms 344 KB Output is correct

Subtask #4
0.0 / 60.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Incorrect
2 Halted 0 ms 0 KB -