Submission #369789

#	Time	Username	Problem	Language	Result	Execution time	Memory
369789		MilosMilutinovic	Comparing Plants (IOI20_plants)	C++14	5 / 100	103 ms	8756 KiB

plants

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

int n, k;
vector<int> a, sum;

int check1(int x, int y) {
	if((x==0&&sum[y-1]==0)||sum[y-1]==sum[x-1])
		return 1;
	int nxt=sum[n-1]-sum[y-1];
	int prv=(x==0?0:sum[x-1]);
	if(nxt==n-y&&prv==x)
		return 1;
	if((x==0&&sum[y-1]==y)||sum[y-1]-sum[x-1]==y-x)
		return -1;
	nxt=sum[n-1]-sum[y-1];
	prv=(x==0?0:sum[x-1]);
	if(nxt==0&&prv==0)
		return -1;
	return 0;
}

int compare_plants(int x, int y) {
	if(k==2)
		return check1(x,y);
//	if(k*2>n)
//		return check2(x,y);
}

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

Compilation message (stderr)

plants.cpp: In function 'int compare_plants(int, int)':
plants.cpp:29:1: warning: control reaches end of non-void function [-Wreturn-type]
   29 | }
      | ^

• 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