Submission #14509

#	Time	Username	Problem	Language	Result	Execution time	Memory
14509		nosiar	올림픽 피자 (tutorial5)	C++14	100 / 100	153 ms	1728 KiB

tutorial5

#include <queue>
#include <cstring>
#include <utility>
#include "pizza.h"
using namespace std;
queue<int> orders[256];
int ingred[8];
int order_num;
void Init() {
  memset(ingred, 0, sizeof(ingred));
  for(int i = 0 ; i < 256; ++i)
	  queue<int>().swap(orders[i]);
  order_num =0;
}

bool asdf(int ing)
{
	bool succ= true;
	for(int i = 0 ; i< 8; ++i)
	{
		if((ing >> i)&1)
		{
			if(!ingred[i])
			{
				succ = false;
				break;
			}
		}
	}	
	return succ;
}
void asdf2(int ing)
{	
	{
		for(int i = 0 ; i< 8; ++i)
		{
			if((ing >> i)&1)
			{
				ingred[i]--;
			}
		}
	}
}

void Order(int N, int *A) {

int ing = 0; 
for(int i = 0; i < N; ++i)
{
	ing |= 1<<A[i];
}

if(asdf(ing))
{
	asdf2(ing);
	Bake(order_num);
}
else
	orders[ing].push(order_num);
order_num++;
}

void Delivery(int I) {
ingred[I]++;
int min_i=-1;
int min_order_num = 987654321;
for(int i = 0 ; i < 256; ++i)
{
		if(!orders[i].empty() && asdf(i))
		{
			if(orders[i].front() < min_order_num)
			{
				min_order_num = orders[i].front();
				min_i = i;
			}
		}
}
if(min_i != -1) 
{
	asdf2(min_i);
	Bake(orders[min_i].front());
	orders[min_i].pop();
}
}

• Subtask 1: 25 / 25
• Subtask 2: 25 / 25
• Subtask 3: 20 / 20
• Subtask 4: 30 / 30