Submission #319790

#	Time	Username	Problem	Language	Result	Execution time	Memory
319790		northlake	Stations (IOI20_stations)	C++17	8 / 100	986 ms	864 KiB

stations

#include<stations.h>
#include<bits/stdc++.h>

using namespace std;

vector<int> label(int n, int k, vector<int> u, vector<int> v) {
    vector<int> labels = {};
    for (int i = 0; i < n; i++) {
        labels.push_back(i);
    }
    return labels;
}

bool is_child(int a, int b) {
    if (a == b) return true;
    if (a > b) return false;
    return (is_child(2*a + 1, b) || is_child(2*a + 2, b));
}

int find_next_station(int s, int t, vector<int> c) {
    if (!is_child(s, t)) return c[0];
    if (is_child(2*s + 1, t)) return (2*s + 1);
    if (is_child(2*s + 2, t)) return (2*s + 2);
}

Compilation message (stderr)

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:24:1: warning: control reaches end of non-void function [-Wreturn-type]
   24 | }
      | ^

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