Submission #823181

#	Time	Username	Problem	Language	Result	Execution time	Memory
823181		Sohsoh84	Comparing Plants (IOI20_plants)	C++17	0 / 100	1 ms	232 KiB

plants

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

using namespace std;

#define debug(x)		cerr << #x << ": " << x << endl;
#define sep			' '

void add(int u, int v);

const int MAXN = 2e5 + 10;

int R[MAXN], n, k;

void init(int k_, std::vector<int> r) {
	k = k_;
	n = r.size();

	for (int i = 0; i < n; i++)
		R[i] = r[i];
}

int compare_plants(int x, int y) {
	int flag = false;

	if (x == (y + 1) % n) {
		swap(x, y);
		flag = true;
	}

	int ans = 0;
	if (y == (x + 1) % n) {
		if (R[x]) ans = -1;
		else ans = 1;
	}

	return (flag ? -1 : 1) * ans;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 14
• Subtask 3: 0 / 13
• Subtask 4: 0 / 17
• Subtask 5: 0 / 11
• Subtask 6: 0 / 15
• Subtask 7: 0 / 25