Submission #496651

#	Time	Username	Problem	Language	Result	Execution time	Memory
496651		Hanksburger	Comparing Plants (IOI20_plants)	C++17	0 / 100	1 ms	312 KiB

plants

#include "plants.h"
#include <bits/stdc++.h>
using namespace std;
int S[200005], K;
vector<int> R;
void init(int k, vector<int> r)
{
	K=k;
	R=r;
	for (int i=0; i<R.size(); i++)
	{
		for (int j=i+1; j<R.size(); j++)
		{
			if (R[i]!=R[j])
			{
				S[i]=j;
				break;
			}
		}
		if (S[i]==0)
		{
			for (int j=0; j<i; j++)
			{
				if (R[i]!=R[j])
				{
					S[i]=j;
					break;
				}
			}
		}
	}
	return;
}
int compare_plants(int x, int y)
{
	if (x<y)
	{
		if (S[x]>=y)
		{
			if (R[x])
				return -1;
			else
				return 1;
		}
		else if (S[y]>=x && S[y]<y)
		{
			if (R[y])
				return 1;
			else
				return -1;
		}
	}
	else
	{
		if (S[x]>=y && S[x]<x)
		{
			if (R[x])
				return -1;
			else
				return 1;
		}
		else if (S[y]>=x)
		{
			if (R[y])
				return 1;
			else
				return -1;
		}
	}
	return 0;
}

Compilation message (stderr)

plants.cpp: In function 'void init(int, std::vector<int>)':
plants.cpp:10:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |  for (int i=0; i<R.size(); i++)
      |                ~^~~~~~~~~
plants.cpp:12:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |   for (int j=i+1; j<R.size(); j++)
      |                   ~^~~~~~~~~

• 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