Submission #11129

#	Time	Username	Problem	Language	Result	Execution time	Memory
11129		gs14004	올림픽 피자 (tutorial5)	C++98	50 / 100	1000 ms	2660 KiB

tutorial5

#include "pizza.h"
#include <list>
using namespace std;

list<int> dq;
list<int> num;

int order_num;
int ingredients[8], ingnow;

void Init() {

  order_num = 0;

}

void deliver(){
    list<int> ::iterator it = dq.begin(), it2 = num.begin();
    while(it != dq.end()) {
        if(((*it) & ~ingnow) == 0){
            Bake((*it2));
            for (int j=0; j<8; j++) {
                if(((*it)>>j)&1){
                    ingredients[j]--;
                    if(ingredients[j] == 0){
                        ingnow ^= (1<<j);
                    }
                }
            }
            it = dq.erase(it);
            it2 = num.erase(it2);
        }
        else{
            it++;
            it2++;
        }
    }
}

void Order(int N, int *A) {
    int bitfield = 0;
    for (int i=0; i<N; i++) {
        bitfield |= (1 << A[i]);
    }
    dq.push_back(bitfield);
    num.push_back(order_num++);
    deliver();
}

void Delivery(int I) {
    ingredients[I]++;
    if(ingredients[I] == 1) ingnow |= (1<<I);
    deliver();
}

• Subtask 1: 25 / 25
• Subtask 2: 25 / 25
• Subtask 3: 0 / 20
• Subtask 4: 0 / 30