제출 #1034671

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1034671		Marco_Escandon	비스킷 담기 (IOI20_biscuits)	C++17	0 / 100	1058 ms	348 KiB

biscuits

#include<bits/stdc++.h>
//#include "biscuits.h"
using namespace std;
typedef long long ll;
vector<ll> temp;
ll sol(ll i, ll j)
{
	if(i==-1) return 1;
	if(i<-1||j<(1ll<<i)) return 0;
	ll h=-1;
	if(j>(1LL<<i)) h=min((ll)(log2l(j-(1LL<<i))),i-1LL);
	ll ac=sol(h,j-(1LL<<i));
	for(int k=0; k<h; k++)
		ac+=sol(k,temp[k]);
	if(h!=-1)ac++;
	return ac;
}
long long count_tastiness(long long x, std::vector<long long> a) {
	a.resize(63);
	temp=a;ll ac=0;
	for(int i=0; i<a.size()-1; i++)
	{
		a[i+1]+=max(a[i]-x,0LL)/2;
		a[i]=min(a[i],x);
	}
	for(int i=0; i<a.size(); i++)
	{
		ac+=(a[i]<<i);
		temp[i]=ac/x;
	}
	ll ac2=0;
	for(int i=0; i<63; i++)
	{
		ac2+=sol(i,temp[i]);
	}
	return ac2+1;
}

컴파일 시 표준 에러 (stderr) 메시지

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:21:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |  for(int i=0; i<a.size()-1; i++)
      |               ~^~~~~~~~~~~
biscuits.cpp:26:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |  for(int i=0; i<a.size(); i++)
      |               ~^~~~~~~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 21
• Subtask 4: 0 / 35
• Subtask 5: 0 / 23