제출 #1077389

#제출 시각아이디문제언어결과실행 시간메모리
1077389mindiyak식물 비교 (IOI20_plants)C++14
0 / 100
1 ms348 KiB
#include "plants.h"
#include <iostream>
using namespace std;

vector<int> R;

void init(int k, std::vector<int> r) {
	R = r;
	return;
}

int compare_plants(int x, int y) {
	int a=x;
	int n = R.size();
	// cerr << x << " " << y << endl;
	if(R[a] == 1){
		a += 1;
		while((a%n) != y && R[(a%n)] == 0)a++;
		// cerr << "X - " << (a%n) << " -1" << endl;
		if((a%n) == y && R[y] == 0) return -1;
	}
	a = y;
	if(R[a] == 1){
		a += 1;
		while((a%n) != x && R[(a%n)] == 0)a++;
		// cerr << "Y - " << (a%n) << " 1" << endl;
		if((a%n) == x && R[x] == 0) return 1;
	}
	
	return 0;
}

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