Submission #1363438

#	Time	Username	Problem	Language	Result	Execution time	Memory
1363438		hollow_breeze	Souvenirs (IOI25_souvenirs)	C++20	7 / 100	8 ms	412 KiB

souvenirs

#include "souvenirs.h"
#include <utility>
#include <vector>
#include <iostream>

using namespace std;

void buy_souvenirs(int N, long long P0) 
{
    int i,cnt,j;
    pair<vector<int>, long long> res;
    if(N==2)
    {
        res = transaction(P0-1);
        return ;
    }
    else if(N==3)
    {
        res = transaction(P0-1);
        if(res.first.size()==1)
        {
            cnt=P0-1-res.second;
            transaction(cnt-1);
            transaction(cnt-1);
        }
        else
        {
            cnt=P0-1-res.second;
            if(cnt%2==0)
                cnt=cnt/2+1;
            else
                cnt=(cnt+1)/2;
            transaction(cnt-1);
        }
        return ;
    }
    for(i=0;i<N;i++)
    {
        cnt=N-i;
        for(j=0;j<i;j++)
        {
            res = transaction(cnt);
        }
    }
    return ;
}

• Subtask 0: 0 / 0
• Subtask 1: 4 / 4
• Subtask 2: 3 / 3
• Subtask 3: 0 / 14
• Subtask 4: 0 / 18
• Subtask 5: 0 / 28
• Subtask 6: 0 / 33