제출 #1291698

#제출 시각아이디문제언어결과실행 시간메모리
1291698kahoul식물 비교 (IOI20_plants)C++20
0 / 100
1 ms336 KiB
#include "plants.h"
#include <bits/stdc++.h>
using namespace std;

int k;
vector<int> psum;

void init(int K, vector<int> r) {
	k = K;
	int n = r.size();
	psum[0] = 0;
	for (int i = 1; i <= n; i++) {
		psum[i] = psum[i - 1] + r[i - 1];
	}
}

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