Submission #436232

#	Time	Username	Problem	Language	Result	Execution time	Memory
436232		Belgutei	Counting Mushrooms (IOI20_mushrooms)	C++17	45.66 / 100	20 ms	328 KiB

mushrooms

#include "mushrooms.h"
#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define ff first
#define ss second
#define pb push_back
#define mk make_pair

int ans=1;
vector<int> v,v1;

int count_mushrooms(int n) {
	v.pb(0);
	for(int i=1; i<n && i<397; i++){
		vector<int> tur;
		tur.clear();
		tur.pb(0);
		tur.pb(i);
		int val=use_machine(tur);
		if(val==0) v.pb(i),ans++;
		else v1.pb(i);
	}
	if(n<=397) return ans;
	if(v.size()>v1.size()){
		int i=397;
		while(i<n){
			vector<int> tur;
			tur.clear();
			int pos=0;
			while(pos<v.size() && i<n){
				tur.pb(v[pos]);
				tur.pb(i);
				i++;
				pos++;
			}
			int val=use_machine(tur);
			ans+=pos-(val+1)/2;
		}
	}
	else{
		int i=397;
		while(i<n){
			vector<int> tur;
			tur.clear();
			int pos=0;
			while(pos<v1.size() && i<n){
				tur.pb(v1[pos]);
				tur.pb(i);
				i++;
				pos++;
			}
			int val=use_machine(tur);
			ans+=(val+1)/2;
		}
	}
	return ans;
	//int c2 = use_machine(m);
}

Compilation message (stderr)

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:33:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |    while(pos<v.size() && i<n){
      |          ~~~^~~~~~~~~
mushrooms.cpp:49:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |    while(pos<v1.size() && i<n){
      |          ~~~^~~~~~~~~~

• Subtask 1: 45.6566 / 100