제출 #58461

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
58461		kingpig9	최후의 만찬 (IOI12_supper)	C++11	0 / 100	237 ms	26304 KiB

advisor

#include <bits/stdc++.h>
#include "advisor.h"

using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
static const int MAXN = 1e5 + 10;

//#define debug(...) fprintf(stderr, __VA_ARGS__)
#define debug(...)
#define fi first
#define se second
#define all(v) (v).begin(), (v).end()
#define fillchar(a, s) memset((a), (s), sizeof(a))

#warning static (advisor)

static int *C, N, K, M;
vector<int> req[MAXN], rem[MAXN];
bool has[MAXN];

void ComputeAdvice (int *ccc, int nnn, int kkk, int mmm) {
	C = ccc;
	N = nnn;
	K = kkk;
	M = mmm;

	for (int i = 0; i < N; i++) {
		req[C[i]].push_back(i);
	}

	for (int i = 0; i < N; i++) {
		req[i].push_back(N);
	}

	priority_queue<pii> pq;	//pii(next request, id)
	for (int i = 0; i < K; i++) {
		pq.push(pii(req[i][0], i));
		has[i] = true;
	}

	//there are 2 shelves
	//one of them: x will be rem before x is requested again.
	//best to rem if it's not going to be requested again.


	//so the color is currently here
	//there is some time where it will be requested again.
	//Is it bound to have a removal before this?

	vector<int> ans;
	for (int i = 0; i < N; i++) {
		int x = C[i];
		if (has[x]) {
			ans.push_back(N);	//rem N - useless
		} else {
			int id = pq.top().se;
			pq.pop();
			rem[id].push_back(i);
			ans.push_back(id);
			has[id] = false;

			has[x] = true;
			pq.push(pii(*upper_bound(all(req[x]), i), x));
		}
	}

	for (int i = 0; i < N; i++) {
		rem[i].push_back(N);
	}

	for (int i = 0; i < N; i++) {
		int col = C[i];
		auto it = upper_bound(all(req[col]), i);
		int nxtreq;
		if (it == req[col].end()) {
			//never requested again
			nxtreq = N + 1;
		} else {
			nxtreq = *it;
		}

		//when will it be removed?
		it = upper_bound(all(rem[col]), nxtreq);
		bool msg;
		if (it == rem[col].begin()) {
			//there is no removal
			msg = 1;
		} else {
			//there might be a removal
			it--;
			if (*it > i) {
				//there is a removal
				msg = 0;
			} else {
				//there is no removal
				msg = 1;
			}
		}
		WriteAdvice(msg);
	}
}

assistant

#include <bits/stdc++.h>
#include "assistant.h"

using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
static const int MAXN = 1e5 + 10;

#define debug(...) fprintf(stderr, __VA_ARGS__)
//#define debug(...)
#define fi first
#define se second
#define all(v) (v).begin(), (v).end()
#define fillchar(a, s) memset((a), (s), sizeof(a))

#warning static (assistant)

static unsigned char *A;
static int N, K;
static int cur[MAXN];
static bool has[MAXN];

static void go() {
	priority_queue<pii> pq;
	for (int i = 0; i < K; i++) {
		cur[i] = i;
		has[i] = true;
		pq.emplace(A[i], i);
	}
	A += K;

	for (int i = 0; i < N; i++) {
		//replace it with this
		int req = GetRequest();
		if (has[req]) {
			continue;
		}
		int ind = pq.top().se;
		int &ref = cur[ind];
		//debug("REF %d\n", ref);
		PutBack(ref);
		has[ref] = false;
		pq.pop();
		ref = req;
		pq.emplace(A[i], ind);
		has[req] = true;
	}
}

void Assist (unsigned char *aaa, int nnn, int kkk, int rrr) {
	A = aaa;
	N = nnn;
	K = kkk;
	go();
}

컴파일 시 표준 에러 (stderr) 메시지

advisor.cpp:17:2: warning: #warning static (advisor) [-Wcpp]
 #warning static (advisor)
  ^~~~~~~

assistant.cpp:17:2: warning: #warning static (assistant) [-Wcpp]
 #warning static (assistant)
  ^~~~~~~

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• Subtask 5: 0 / 39