Submission #1129801

#	Time	Username	Problem	Language	Result	Execution time	Memory
1129801		ohad	Island Hopping (JOI24_island)	C++20	100 / 100	5 ms	416 KiB

island

#include "island.h"
#include<bits/stdc++.h>
using namespace std;

void solve(int N, int L){
    vector<int> father(N+1,-1);
    father[1] = -2; //no father
    vector<int> q;
    for(int i = 1; i < N; i++){
        q.push_back(query(1,i));
    }
    for(auto now : q){
        for(int k = 1; father[now]==-1; k++){
          int nei = query(now,k);
          if(father[nei]!=-1) father[now]=nei;
          else father[nei] = now;
        }
    }
    for (int i = 2; i <= N; i++)
        answer(i, father[i]);
}

• Subtask 1: 2 / 2
• Subtask 2: 4 / 4
• Subtask 3: 7 / 7
• Subtask 4: 9 / 9
• Subtask 5: 13 / 13
• Subtask 6: 15 / 15
• Subtask 7: 22 / 22
• Subtask 8: 28 / 28