제출 #424211

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
424211		chirathnirodha	버섯 세기 (IOI20_mushrooms)	C++17	0 / 100	217 ms	464 KiB

mushrooms

//Coded by Chirath Nirodha
#include "mushrooms.h"
#include<bits/stdc++.h>
#define F first
#define S second
#define PB push_back
#define MP make_pair
#define P push
#define I insert
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
using namespace std;
const ll mod=1e9+7;
int count_mushrooms(int n) {
	vector<int> a,b;
	a.push_back(0);
  	int cur=1;
	while(cur<n && cur<100){
		vector<int> m;
		m.PB(0);m.PB(cur);
		int x=use_machine(m);
		if(x==0)a.PB(cur);
		else b.PB(cur);
	}
	int ans=a.size();
	if(a.size()>=b.size()){
		while(cur<n){
			vector<int> m;
			for(int i=0;i<a.size();i++){
				m.PB(a[i]);
				if(cur==n || i==a.size()-1)break;
				m.PB(cur);
				cur++;
			}
			int x=use_machine(m);
			ans+=a.size()-1-x/2;
		}
	}
	else{
		while(cur<n){
			vector<int> m;
			for(int i=0;i<b.size();i++){
				m.PB(b[i]);
				if(cur==n || i==b.size()-1)break;
				m.PB(cur);
				cur++;
			}
			int x=use_machine(m);
			ans+=x/2;
		}
	}
	return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:30:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |    for(int i=0;i<a.size();i++){
      |                ~^~~~~~~~~
mushrooms.cpp:32:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |     if(cur==n || i==a.size()-1)break;
      |                  ~^~~~~~~~~~~~
mushrooms.cpp:43:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |    for(int i=0;i<b.size();i++){
      |                ~^~~~~~~~~
mushrooms.cpp:45:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |     if(cur==n || i==b.size()-1)break;
      |                  ~^~~~~~~~~~~~

• Subtask 1: 0 / 100