Submission #979443

#	Time	Username	Problem	Language	Result	Execution time	Memory
979443		penguin133	Island Hopping (JOI24_island)	C++17	100 / 100	6 ms	1632 KiB

island

#include <bits/stdc++.h>
using namespace std;
#include "island.h"
typedef long long ll;
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

void solve(int N, int L) {
	vector <int> order;
	for(int i = 1; i < N; i++)order.push_back(query(1, i));
	set <int> s;
	set <int> ss;
	ss.insert(1);
	s.insert(1);
	for(int i = 0; i < (int)order.size(); i++){
		int cnt = 1;
		if(ss.find(order[i]) != ss.end()){
			s.insert(order[i]);
			continue;
		}
		while(1){
			int res = query(order[i], cnt);
			cnt++;
			answer(res, order[i]);
			ss.insert(res);
			if(s.find(res) != s.end()){
				
				break;
			}
		}
		s.insert(order[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