제출 #823657

#제출 시각아이디문제언어결과실행 시간메모리
823657GusterGoose27Comparing Plants (IOI20_plants)C++17
0 / 100
1 ms308 KiB
#include "plants.h"
#include <bits/stdc++.h>

using namespace std;

const int MAXN = 2e5+5;
bool lt[MAXN];
int n;

void init(int k, vector<int> r) {
	n = r.size();
	for (int i = 0; i < n; i++) {
		lt[i] = !r[i];
	}
	return;
}

int compare_plants(int x, int y) {
	if (x != (y+1)%n && y != (x+1)%n) return 0;
	if (x == (y+1)%n) return 2*(!lt[y])-1;
	return 2*lt[x]-1;
	return 0;
}
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