Submission #307773

#	Time	Username	Problem	Language	Result	Execution time	Memory
307773		Vimmer	Stations (IOI20_stations)	C++14	0 / 100	3053 ms	2097156 KiB

stations

#include <bits/stdc++.h>
#include "stations.h"
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

#define N 100005
#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)
{
    a[v] = id++;

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

        dfs(it, v);
    }
}

vector<int> label(int n, int k, vector<int> u, vector<int> v)
{
    a.resize(n);

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

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

    for (int i = 0; i < n; i++)
        if (sz(g[i]) == 1) {dfs(i, -1); break;}

	return a;
}

int find_next_station(int s, int t, vector<int> c)
{
    if (sz(c) == 1) return c[0];

    if (s < t) return max(c[0], c[1]);

    return min(c[0], c[1]);
}

//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 (stderr)

stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:58:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   58 |     for (int i = 0; i < n; i++)
      |     ^~~
stations.cpp:61:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   61 |  return a;
      |  ^~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 8
• Subtask 3: 0 / 16
• Subtask 4: 0 / 10
• Subtask 5: 0 / 61