Submission #346103

#	Time	Username	Problem	Language	Result	Execution time	Memory
346103		lLab_	Counting Mushrooms (IOI20_mushrooms)	C++14	0 / 100	1 ms	364 KiB

mushrooms

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

vector<int> A = {0};

int count_mushrooms(int n) {
    int sum = 1;
    int p = 0;
    for(int i=1;i<n&&sum>=3&&(n-i)%3 == 0;i++){
        int d = use_machine({0,i});
        if(d == 0){
            A.push_back(i);
            sum++;
        }
        p = i;
    }

    for(int i=p+1;i<n;i+=3){
        int d = use_machine({A[0],i,A[1],i+1,A[2],i+2});
        sum += A.size()-(d+1)/2;
    }

    return sum;
}

• Subtask 1: 0 / 100