Submission #300379

#	Time	Username	Problem	Language	Result	Execution time	Memory
300379		daniel920712	Comparing Plants (IOI20_plants)	C++14	0 / 100	1 ms	256 KiB

plants

#include "plants.h"
#include <stdio.h>
#include <vector>
#include <utility>
using namespace std;
pair < int , int > con[100005];
vector < int > all;
int N;
void init(int k,vector<int> r)
{
    int a=0,b=0,i,j,ok=0;
    all=r;
    N=r.size();
    for(i=0;ok==0;i++)
    {
        b=0;
        if(r[(i+N-1)%N]!=r[i])
        {
            b=0;
            a++;
            for(j=i;r[j]==r[i];j=(j+1)%N)
            {
                if(j==N-1) ok=1;
                con[j]=make_pair(a,b);
                b++;
            }
            i=(j+N-1)%N;
        }
    }
	return;
}

int compare_plants(int x, int y)
{
    if(con[x].first==con[(y+N-1)%N].first)
    {
        if(all[x]==0) return -1;
        return 1;
    }
    if(con[y].first==con[(x+N-1)%N].first)
    {
        if(all[y]==0) return 1;
        return -1;
    }

	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