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Submission #424199

# Submission time Handle Problem Language Result Execution time Memory
424199 2021-06-11T17:55:21 Z OttoTheDino Stations (IOI20_stations) C++17
0 / 100
 1 ms 760 KB 
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
#define rep(i,s,e)                          for (int i = s; i <= e; ++i)
#define pb                                  push_back
typedef vector<int> vi;

const int mxn = 2e4;
int id, res[mxn];
vi neibs[mxn];

void dfs (int u, int prev) {
    for (int v : neibs[u]) {
        if (v==prev) continue;
        dfs (v, u);
    }
    res[u]=id++;
}

vi label (int n, int k, vi u, vi v) {
    rep (i,0,n-2) {
        neibs[u[i]].pb(v[i]);
        neibs[v[i]].pb(u[i]);
    }
    return {-1};
    dfs (0,-1);
    vi L(n);
    rep (i,0,n-1) L[i] = res[i];
    return L;
}

int find_next_station (int s, int t, vi c) {
    sort(c.begin(), c.end());
    for (int v : c) if (v>=t) return v;
    return c.back();
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 740 KB Invalid length of array as the response of 'label'. scenario=0, n=10, len=1
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 752 KB Invalid length of array as the response of 'label'. scenario=0, n=996, len=1
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 712 KB Invalid length of array as the response of 'label'. scenario=0, n=2, len=1
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 760 KB Invalid length of array as the response of 'label'. scenario=0, n=2, len=1
2 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 712 KB Invalid length of array as the response of 'label'. scenario=0, n=3, len=1
2 Halted 0 ms 0 KB -