Submission #1032974

#	Time	Username	Problem	Language	Result	Execution time	Memory
1032974		fv3	Comparing Plants (IOI20_plants)	C++14	0 / 100	0 ms	348 KiB

plants

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

using namespace std;

vector<int> R;
vector<int> pre;
int K, N;

void init(int k, vector<int> r) 
{
	N = r.size();
	R = r; k = K;

	pre.resize(N);

	int s = 0;
	for (; s < N; s++)
	{
		if (r[s] == 0)
			break;
	}

	for (int i = s; i < N; i++)
	{
		if (r[i]) 
			pre[i] = pre[i-1] + 1;
	}

	if (r[0])
	{
		pre[0] = pre[N-1] + 1;

		for (int i = 1; i < s; i++)
			pre[i] = pre[i-1] + 1;
	}

	for (int i = 0; i < N; i++)
	{
		pre.push_back(pre[i]);
	}
}

int compare_plants(int x, int y) 
{
	if (y - pre[y] <= x)
		return -1;
	if (x + N - pre[x+N] <= y)
		return 1;
	return 0;
}

• 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