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Submission #960122

# Submission time Handle Problem Language Result Execution time Memory
960122 2024-04-09T17:07:16 Z tutis Longest Trip (IOI23_longesttrip) C++17
15 / 100
 14 ms 856 KB 
#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;
mt19937_64 rng(0);

std::vector<int> longest_trip(int N, int D)
{
    vector<int>x,y;
    x.push_back(0);
    for(int i=1;i<N;i++){
        if(are_connected({0}, {i})){
            x.push_back(i);
        } else{
            y.push_back(i);
        }
    }
    if(y.size()>0 && !are_connected(x,y)){
        if(x.size()>y.size()){
            return x;
        } else{
            return y;
        }
    }
 //   if(y.empty()){
    vector<int>ans;
    vector<int>p;
    ans.push_back(x.back());
    for(int i=1;i<N;i++){
        p.push_back(i);
    }
    p.erase(find(p.begin(),p.end(), x.back()));
    while(!p.empty()){
        shuffle(p.begin(),p.end(),rng);
        bool found=false;
        for(int i: p){
            if(are_connected({ans.back()}, {i})){
                ans.push_back(i);
                p.erase(find(p.begin(),p.end(), i));
                found=true;
                break;
            }
        }
        if(!found){
            break;
        }
    }
    reverse(ans.begin(),ans.end());
    ans.push_back(0);
    for(int i=0;i<p.size();i++){
        if(find(x.begin(),x.end(), p[i])!=x.end()){
            swap(p[i], p[0]);
            break;
        }
    }
    for(int i: p){
        ans.push_back(i);
    }
    return ans;
   // }
}

Compilation message

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:49:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |     for(int i=0;i<p.size();i++){
      |                 ~^~~~~~~~~

Subtask #0
0.0 / 0.0

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

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 344 KB Output is correct
2 Correct 8 ms 344 KB Output is correct
3 Correct 10 ms 344 KB Output is correct
4 Correct 10 ms 344 KB Output is correct
5 Correct 12 ms 852 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 344 KB Output is correct
2 Correct 8 ms 596 KB Output is correct
3 Correct 10 ms 344 KB Output is correct
4 Correct 10 ms 344 KB Output is correct
5 Correct 11 ms 344 KB Output is correct
6 Correct 7 ms 344 KB Output is correct
7 Correct 14 ms 344 KB Output is correct
8 Correct 9 ms 344 KB Output is correct
9 Correct 11 ms 856 KB Output is correct
10 Correct 12 ms 344 KB Output is correct
11 Correct 11 ms 344 KB Output is correct
12 Correct 11 ms 344 KB Output is correct
13 Correct 10 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 8 ms 344 KB Output is correct
3 Correct 10 ms 500 KB Output is correct
4 Correct 9 ms 344 KB Output is correct
5 Correct 12 ms 596 KB Output is correct
6 Correct 11 ms 344 KB Output is correct
7 Correct 9 ms 344 KB Output is correct
8 Correct 9 ms 344 KB Output is correct
9 Correct 9 ms 344 KB Output is correct
10 Correct 10 ms 344 KB Output is correct
11 Correct 11 ms 344 KB Output is correct
12 Correct 11 ms 344 KB Output is correct
13 Correct 13 ms 600 KB Output is correct
14 Correct 7 ms 344 KB Output is correct
15 Correct 6 ms 344 KB Output is correct
16 Incorrect 5 ms 344 KB Incorrect
17 Halted 0 ms 0 KB -

Subtask #4
0.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 596 KB Output is correct
2 Correct 10 ms 344 KB Output is correct
3 Correct 9 ms 344 KB Output is correct
4 Correct 10 ms 344 KB Output is correct
5 Partially correct 12 ms 344 KB Output is partially correct
6 Correct 8 ms 344 KB Output is correct
7 Correct 9 ms 344 KB Output is correct
8 Correct 9 ms 600 KB Output is correct
9 Correct 9 ms 344 KB Output is correct
10 Partially correct 11 ms 344 KB Output is partially correct
11 Partially correct 10 ms 344 KB Output is partially correct
12 Partially correct 11 ms 344 KB Output is partially correct
13 Partially correct 12 ms 700 KB Output is partially correct
14 Correct 6 ms 344 KB Output is correct
15 Correct 6 ms 600 KB Output is correct
16 Incorrect 5 ms 344 KB Incorrect
17 Halted 0 ms 0 KB -