Submission #1296021

#	Time	Username	Problem	Language	Result	Execution time	Memory
1296021		eri16	Stations (IOI20_stations)	C++20	8 / 100	402 ms	432 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> lbl(n);
    for (int i=0; i<n; i++){
        lbl[i]=i;
    }
    return lbl;
}

static inline bool is_descendant(int root, int node) {
    if (node==root) return true;
    while (node>root){
        node=(node-1)/2; 
        if (node==root) return true;
    }
    return false;
}

int find_next_station(int s, int t, vector <int> c){
  
    if (c.size()==1){return c[0];}  
  
    else if(s==0){
        if (is_descendant(c[0], t)) return c[0];
        return c[1];
    }  
  
    else{
    
        if (is_descendant(c[1], t)) return c[1];
        if (c.size()==3 && is_descendant(c[2], t)) return c[2];
        return c[0];
    }
    
}

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