oj.uz

Submission #308929

# Submission time Handle Problem Language Result Execution time Memory
308929 2020-10-02T10:13:21 Z Vimmer Stations (IOI20_stations) C++14
0 / 100
 19 ms 15392 KB 
#include <bits/stdc++.h>
#include "stations.h"
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

#define N 200005
#define PB push_back
#define sz(x) int(x.size())
#define F first
#define M ll(1e9 + 7)
#define S second
#define all(x) x.begin(), x.end()
#define endl '\n'

//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("fast-math")
//#pragma GCC optimize("no-stack-protector")

using namespace std;
//using namespace __gnu_pbds;

typedef long long ll;
//typedef tree <int, null_type, less_equal <int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

ll mlt(ll x, ll y) {return (x * y) % M;}
ll sm(ll x, ll y) {return (x + y) % M;}


vector <int> g[N], a;

int id = 0;

void dfs(int v, int p, int hr)
{
    id++;

    if (hr % 2 == 0) a[v] = id;

    for (auto it : g[v])
    {
        if (it == p) continue;

        dfs(it, v, hr + 1);
    }

    id++;

    if (hr % 2) a[v] = id;
}

vector<int> label(int n, int k, vector<int> u, vector<int> v)
{
    for (int i = 0; i < n; i++) g[i].clear();

    a.resize(n);

    id = 0;

    for (int i = 0; i < n - 1; i++)
    {
        g[u[i]].PB(v[i]);

        g[v[i]].PB(u[i]);
    }

    dfs(0, -1, 0);

    return a;
}

int find_next_station(int s, int t, vector<int> c)
{
//    sort(all(c));
//
//    if (c.back() < s)
//    {
//        if (t > s) return c[0];
//
//        int i = 1;
//
//        while (i < sz(c) && t <= c[i]) i++;
//
//        if (i == 0) return c[0];
//
//        return c[i - 1];
//    }
//    else
//    {
//        if (t < s) return c.back();
//
//        int i = 0;
//
//        while (i < sz(c) && t > c[i]) i++;
//
//        return c[i];
//    }
}

//int main()
//{
//    iostream::sync_with_stdio(0); ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
//
//    //freopen("fcolor.in", "r", stdin); freopen("fcolor.out", "w", stdout);
//
//
//}

Compilation message

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:99:1: warning: no return statement in function returning non-void [-Wreturn-type]
   99 | }
      | ^

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 5120 KB Invalid labels (values out of range). scenario=2, k=1000, vertex=1, label=1991
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 9 ms 5112 KB Invalid labels (values out of range). scenario=0, k=1000, vertex=1, label=1023
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 19 ms 15384 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 17 ms 15276 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Runtime error 19 ms 15392 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -