제출 #841425

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
841425		model_code	참나무 (IOI23_beechtree)	C++17	5 / 100	122 ms	13844 KiB

beechtree

// correct/sol_db_line.cpp

#include "beechtree.h"
#include <bits/stdc++.h>

#define all(x) (x).begin(), (x).end()
#define xx first
#define yy second

using namespace std;
typedef pair<int, int> pii;
const int N = 2e5 + 1;

vector<int> beechtree(int n, int m, vector<int> P, vector<int> C)
{
    set<int> was = {C[n - 1]};
    vector<int> ans = {1, 1};

    bool same = true;
    for (int i = n - 2; i > 0; --i)
    {
        same &= was.count(C[i]);
        ans.push_back(same);
        was.insert(C[i]);
    }
    reverse(all(ans));

    return ans;
}

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• Subtask 2: 5 / 5
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