Submission #346109

#	Time	Username	Problem	Language	Result	Execution time	Memory
346109		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;i++){
        vector<int> S;
        int cnt = 0;
        for(int j=0;j<A.size()&&i+j<n;++j){
            S.push_back(A[j]);
            S.push_back(i+j);
            cnt+=2;
        }
        int d = use_machine(S);
        sum += A.size()-(d+1)/2;
        i = i+A.size();
        if(d%2 == 1){
            A.push_back(i-1);
        }
    }
    return sum;
}

Compilation message (stderr)

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:13:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |         for(int j=0;j<A.size()&&i+j<n;++j){
      |                     ~^~~~~~~~~
mushrooms.cpp:9:9: warning: unused variable 'p' [-Wunused-variable]
    9 |     int p = 0;
      |         ^

• Subtask 1: 0 / 100