oj.uz

Submission #980163

# Submission time Handle Problem Language Result Execution time Memory
980163 2024-05-12T00:25:36 Z vjudge1 Longest Trip (IOI23_longesttrip) C++17
40 / 100
 9 ms 600 KB 
#include "longesttrip.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
vector<int> longest_trip(int N, int D)
{
    if(D>=2){
    vector<int> ans;
    vector<int> v1;
    vector<int> v2;
    if(N==3){
        v1={0};
        v2={1};
        if(are_connected(v1,v2)){
            v1={0};
            v2={2};
            if(are_connected(v1,v2)){
                ans={1,0,2};
                return ans;
            }
            else{
                ans={0,1,2};
                return ans;
            }
        }
        else{
            ans={0,2,1};
            return ans;
        }
    }
    ans.pb(0);
    for(int i=1; i<N-1; ++i){
        v1={ans[ans.size()-1]};
        v2={i};
        if(are_connected(v1, v2)){
            ans.pb(i);
        }
        else{
            i++;
            ans.pb(i);
            ans.pb(i-1);
        }
    }
    if(ans.size()==N) return ans;
    v1={ans[ans.size()-1]};
    v2={N-1};
    if(are_connected(v1, v2)){
        ans.pb(N-1);
    }
    else{
        int a=ans[ans.size()-1];
        ans.pop_back();
        int b=ans[ans.size()-1];
        ans.pop_back();
        ans.pb(N-1);
        ans.pb(b);
        ans.pb(a);
    }
    return ans;
    }
    stack<int> sk1;
    stack<int> sk2;
    sk1.push(0);
    vector<int> v1;
    vector<int> v2;
    for(int i=1; i<N; ++i){
        v1={sk1.top()};
        v2={i};
        if(are_connected(v1,v2)){
            sk1.push(i);
        }
        else{
            if(!sk2.empty()){
                v1={sk2.top()};
                if(are_connected(v1,v2)){
                    sk2.push(i);
                }
                else{
                    while(!sk2.empty()){
                        sk1.push(sk2.top());
                        sk2.pop();
                    }
                    sk2.push(i);
                }
            }
            else{
                sk2.push(i);
            }
        }
    }
    vector<int> ans1;
    vector<int> ans2;
    while(!sk1.empty()){
        ans1.pb(sk1.top());
        sk1.pop();
    }
    while(!sk2.empty()){
        ans2.pb(sk2.top());
        sk2.pop();
    }
    if(ans1.size()>ans2.size()) return ans1;
    return ans2;

}

Compilation message

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:44:18: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   44 |     if(ans.size()==N) return ans;
      |        ~~~~~~~~~~^~~

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 2 ms 600 KB Incorrect
3 Halted 0 ms 0 KB -

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 344 KB Output is correct
2 Correct 6 ms 344 KB Output is correct
3 Correct 6 ms 344 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 6 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 5 ms 344 KB Output is correct
5 Correct 5 ms 440 KB Output is correct
6 Correct 5 ms 344 KB Output is correct
7 Correct 4 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 600 KB Output is correct
11 Correct 5 ms 344 KB Output is correct
12 Correct 4 ms 344 KB Output is correct
13 Correct 5 ms 600 KB Output is correct

Subtask #3
25.0 / 25.0

# 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 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 5 ms 344 KB Output is correct
7 Correct 6 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 6 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 5 ms 600 KB Output is correct
14 Correct 6 ms 344 KB Output is correct
15 Correct 6 ms 344 KB Output is correct
16 Correct 7 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 6 ms 344 KB Output is correct
20 Correct 6 ms 600 KB Output is correct
21 Correct 6 ms 432 KB Output is correct
22 Correct 6 ms 600 KB Output is correct
23 Correct 5 ms 600 KB Output is correct
24 Correct 6 ms 344 KB Output is correct
25 Correct 7 ms 516 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 7 ms 344 KB Output is correct
32 Correct 7 ms 344 KB Output is correct
33 Correct 5 ms 344 KB Output is correct
34 Correct 5 ms 344 KB Output is correct
35 Correct 6 ms 344 KB Output is correct
36 Correct 5 ms 600 KB Output is correct
37 Correct 5 ms 344 KB Output is correct
38 Correct 5 ms 344 KB Output is correct
39 Correct 7 ms 600 KB Output is correct
40 Correct 6 ms 344 KB Output is correct
41 Correct 6 ms 600 KB Output is correct
42 Correct 6 ms 600 KB Output is correct
43 Correct 7 ms 600 KB Output is correct
44 Correct 6 ms 600 KB Output is correct
45 Correct 7 ms 344 KB Output is correct
46 Correct 7 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 6 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 6 ms 344 KB Output is correct
53 Correct 6 ms 344 KB Output is correct
54 Correct 5 ms 600 KB Output is correct
55 Correct 5 ms 344 KB Output is correct
56 Correct 5 ms 344 KB Output is correct
57 Correct 7 ms 600 KB Output is correct
58 Correct 6 ms 600 KB Output is correct
59 Correct 6 ms 600 KB Output is correct
60 Correct 7 ms 600 KB Output is correct
61 Correct 7 ms 600 KB Output is correct
62 Correct 7 ms 432 KB Output is correct
63 Correct 6 ms 600 KB Output is correct
64 Correct 9 ms 436 KB Output is correct

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 5 ms 344 KB Output is correct
5 Correct 5 ms 600 KB Output is correct
6 Incorrect 1 ms 344 KB Incorrect
7 Halted 0 ms 0 KB -