Submission #5296

#	Time	Username	Problem	Language	Result	Execution time	Memory
5296		baneling100	올림픽 피자 (tutorial5)	C++98	100 / 100	80 ms	1528 KiB

tutorial5

#include <queue>
#include "pizza.h"
#define inf 0x7fffffff

using namespace std;

queue <int> q[256];
int order_num, a[8], curr;

void Init()
{
    order_num=curr=0;
}

void if_ok(void)
{
    int i, mmin=inf, v=0, cnt, x;

    for(i=curr ; i>0 ; i=(i-1)&curr)
    {
        if(!q[i].empty())
            if(mmin>q[i].front())
            {
                mmin=q[i].front();
                v=i;
            }
    }
    if(v)
    {
        x=q[v].front();
        Bake(x);
        x=v;
        i=1;
        cnt=0;
        while(i<=x)
        {
            if(i&x)
            {
                a[cnt]--;
                if(a[cnt]==0)
                    curr-=i;
            }
            i=i<<1;
            cnt++;
        }
        q[v].pop();
    }
}

void Order(int N, int *A)
{
    int i, x=0;

    for(i=0 ; i<N ; i++)
        x+=1<<A[i];
    q[x].push(order_num++);
    if_ok();
}

void Delivery(int I)
{
    if(a[I]==0)
        curr+=1<<I;
    a[I]++;
    if_ok();
}

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