Submission #369761

#	Time	Username	Problem	Language	Result	Execution time	Memory
369761		MilosMilutinovic	식물 비교 (IOI20_plants)	C++14	0 / 100	1 ms	380 KiB

plants

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

int n, k;
vector<int> a;

int compare_plants(int x, int y) {
	assert(x>=0&&x<n&&y>=0&&y<n&&x!=y);
	if(x==n-1) {
		if(y==x-1) {
			if(!a[y])
				return -1;
			return 1;
		} else {
			if(y!=0)
				return 0;
			if(!a[x])
				return 1;
			return -1;
		}
	} else {
		if(x==0) {
			if(y==n-1) {
				if(!a[y])
					return -1;
				return 1;
			} else {
				if(y!=1)
					return 0;
				if(!a[x])
					return 1;
				return -1;
			}
		} else {
			if(abs(x-y)!=1)
				return 0;
			if(x<y) {
				if(!a[x])
					return 1;
				return -1;
			} else {
				if(!a[y])
					return -1;
				return 1;
			}
		}
	}
	assert(false);
}

void init(int K, vector<int> r) {
	n=(int)r.size(), k=K, a=r;
}

/*int main() {
	init(2, {0, 0, 1});
	cout << compare_plants(0, 2);
	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