제출 #1071601

#제출 시각아이디문제언어결과실행 시간메모리
1071601Ignut식물 비교 (IOI20_plants)C++17
5 / 100
62 ms10328 KiB
// Ignut

#include <bits/stdc++.h>

using namespace std;
using ll = long long;

int n, k;

vector<int> r;
vector<int> cntInRow;

void init(int K, vector<int> R) {
    n = R.size();
    k = K;
    r = R;
    for (int val : R) r.push_back(val);
    cntInRow.resize(2 * n);
    cntInRow[2 * n - 1] = 1;
    for (int i = 2 * n - 2; i >= 0; i --)
        cntInRow[i] = (r[i] == r[i + 1] ? cntInRow[i + 1] + 1 : 1);
}

int compare_plants(int x, int y) {
    if (x + cntInRow[x] >= y)
        return r[x] == 1 ? -1 : 1;
    if (y + cntInRow[y] - n >= x)
        return r[y] == 1 ? 1 : -1;
    return 0;
}
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