Submission #1204728

#	Time	Username	Problem	Language	Result	Execution time	Memory
1204728		bangan	Comparing Plants (IOI20_plants)	C++20	5 / 100	47 ms	4936 KiB

plants

#include "plants.h"
#include <bits/stdc++.h>
using namespace std;

const int N = 2e5 + 4;

int n, pre[N];

void init(int k, std::vector<int> r) {
	assert(k == 2);

	n = r.size(); 
	for (int i=1; i<=n; i++) pre[i] = pre[i-1] + r[i-1];

	return;
}

int compare_plants(int x, int y) {
	int p = pre[y]-pre[x]; int q = pre[n]-p;
	if (p == y-x || !q) return -1;
	else if (!p || q == n-y+x) return 1;
	else return 0;
}

• Subtask 1: 5 / 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