oj.uz

Submission #946979

# Submission time Handle Problem Language Result Execution time Memory
946979 2024-03-15T09:03:57 Z kim Longest Trip (IOI23_longesttrip) C++17
0 / 100
 3 ms 600 KB 
#include "longesttrip.h"
#include<bits/stdc++.h>
using namespace std;
#define eb emplace_back

#define ask are_connected

vector<int> adj[260];
bitset<260> vis;
vector<int> ans;

void dfs(int u){
    vis[u]=1;
    ans.eb(u);
    for(auto &v:adj[u]){
        if(!vis[v]) dfs(v);
    }
}

std::vector<int> longest_trip(int N, int D)
{
    if(D==1){
        ans.resize(N);
        iota(ans.begin(),ans.end(),0);
        return ans;
    }
    for(int i=0;i<N;++i) adj[i].clear();
    if(D==2){
        for(int i=0;i+1<N;++i){
            if(ask({i},{i+1})) adj[i].eb(i+1), adj[i+1].eb(i);
            else for(int j=0;j<N;++j){
                if(i<=j&&j<=i+1) continue;
                adj[j].eb(i), adj[i].eb(j);
                adj[j].eb(i+1), adj[i+1].eb(j);
            }
        }
        vis.reset();
        dfs(0);
        return ans;
    }
    return{};
}

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
0.0 / 5.0

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

Subtask #2
0.0 / 10.0

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

Subtask #3
0.0 / 25.0

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

Subtask #4
0.0 / 60.0

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