| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1345446 | SpyrosAliv | Island Hopping (JOI24_island) | C++20 | 2 ms | 412 KiB |
#include "island.h"
#include <bits/stdc++.h>
using namespace std;
int n;
vector<bool> done;
void dfs(int node) {
done[node] = true;
int nxt = query(node, 1);
if (done[nxt]) {
nxt = query(node, 2);
if (done[nxt]) return;
}
answer(node, nxt);
dfs(nxt);
}
void solve(int N, int L) {
n = N;
int root = query(1, n-1);
vector<int> ch = {query(root, 1)};
done.assign(n+1, false);
done[root] = true;
for (auto nxt: ch) done[nxt] = true;
for (auto nxt: ch) answer(root, nxt);
for (auto nxt: ch) dfs(nxt);
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