Submission #346091

#	Time	Username	Problem	Language	Result	Execution time	Memory
346091		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;
    for(int i=1;i<n/2;i++){
        int d = use_machine({0,i});
        if(d == 0){
            A.push_back(i);
            sum++;
        }
    }

    for(int i=(n/2)+1;i<n;i+=A.size()+1){
        vector<int> S;
        for(int j=i;j<i+A.size()+1;++j){
            S.push_back(A[j-i]);
            S.push_back(j);
        }
        int d = use_machine(S);
        sum += A.size()-(d+1)/2;
    }

    return sum;
}

Compilation message (stderr)

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:19:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |         for(int j=i;j<i+A.size()+1;++j){
      |                     ~^~~~~~~~~~~~~

• Subtask 1: 0 / 100