Submission #1059454

#	Time	Username	Problem	Language	Result	Execution time	Memory
1059454		ArthuroWich	Stations (IOI20_stations)	C++17	0 / 100	480 ms	684 KiB

stations

#include "stations.h"
#include<bits/stdc++.h>
using namespace std;
vector<int> adj[1005];
int timer = 0, en[1005];
void dfs(int i, int p) {
    for (int j : adj[i]) {
        if (j == p) {
            continue;
        }
        dfs(j, i);
    }
    en[i] = timer;
    timer++;
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
    vector<int> labels(n);
    timer = 0;
    for (int i = 0; i <= n; i++) {
        adj[i].clear();
        en[i] = 0;
    }
    int leaf = 0;
    for (int i = 0; i < n-1; i++) {
        adj[u[i]].push_back(v[i]);
        adj[v[i]].push_back(u[i]);
    }
    for (int i = 0; i < n; i++) {
        sort(adj[i].begin(), adj[i].end());
        if (adj[i].size() == 1) {
            leaf = i;
        }
    }
    dfs(leaf, -1);
    for (int i = 0; i < n; i++) {
        labels[i] = en[i];
    }
    return labels;
}
int find_next_station(int s, int t, vector<int> c) {
    if (c.back() < s) {
        for (int i : c) {
            if (t <= i) {
                return i;
            }
        }
    }
    int si = 0;
    si += c[0]+1;
    for (int i = 1; i < c.size(); i++) {
        s += c[i]-c[i-1];
    }
    return c.back();
}

Compilation message (stderr)

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:50:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |     for (int i = 1; i < c.size(); i++) {
      |                     ~~^~~~~~~~~~

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