제출 #578949

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
578949		Justin1	최후의 만찬 (IOI12_supper)	C++14	0 / 100	263 ms	90940 KiB

advisor

#include <bits/stdc++.h>
#define f first
#define s second
#include "advisor.h"
using namespace std;

int endK[25005], endN[100005];
int endpos[100005];
deque<int> pos[100005];
set<int> pos2[100005];

void ComputeAdvice(int *C, int N, int K, int M) {
	set<pair<int,int>> scaffold;
	for (int i = 0; i < K; i++) scaffold.insert({i,-1});
	for (int i = 0; i < N; i++) endN[i] = -1;
	for (int i = 0; i < N; i++) pos[C[i]].push_back(i);
	for (int i = 0; i < N; i++) pos[i].push_back(1e9);
	for (int i = 0; i < N; i++) {
		for (auto j : pos[i]) pos2[i].insert(j);
	}
	set<pair<int,int>> cur;
	for (int i = 0; i < K; i++) cur.insert({pos[i][0],i});
	for (int i = 0; i < N; i++) {
		string tmp;
		if (cur.find({pos[C[i]][0],C[i]}) != cur.end()) {
			cur.erase({pos[C[i]][0],C[i]});
			pos[C[i]].pop_front();
			cur.insert({pos[C[i]][0],C[i]});
		} else {
			pos[C[i]].pop_front();
			int tar = (*cur.rbegin()).s;
			auto tmp = *scaffold.lower_bound({tar,INT_MIN});
			if (tmp.s == -1) endK[tmp.f] = i;
			else endN[tmp.s] = i;
			scaffold.erase(scaffold.find(tmp));
			scaffold.insert({C[i],i});
			cur.erase(*cur.rbegin());
			cur.insert({pos[C[i]][0],C[i]});
		}
	}
	for (auto i : scaffold) {
		if (i.s == -1) endK[i.f] = 1e8;
		else endN[i.s] = 1e8;
	}

	for (int i = 0; i < K; i++) {
		endpos[i] = endK[i];
		int tmp = *pos2[i].lower_bound(0);
		WriteAdvice(tmp > endK[i]);
	}
	for (int i = 0; i < N; i++) {
		if (endN[i] == -1) {
			int tmp = *pos2[C[i]].upper_bound(i);
			WriteAdvice(tmp > endpos[i]);
		} else {
			int tmp = *pos2[C[i]].upper_bound(i);
			WriteAdvice(tmp > endN[i]);
			endpos[C[i]] = endN[i];
		}
	}
}

assistant

#include <bits/stdc++.h>
#define f first
#define s second
#include "assistant.h"
using namespace std;

deque<int> put;
int col[100005];

void Assist(unsigned char *A, int N, int K, int R) {
	for (int i = 0; i < K; i++) if (A[i]) put.push_back(i);
	for (int i = 0; i < K; i++) col[i] = 1;
	for (int i = K; i < R; i++) {
		int cur = GetRequest();
		if (col[cur]) continue;
		while (!col[put[0]]) put.pop_front();
		PutBack(put[0]);
		col[put[0]] = 0;
		col[cur] = 1;
		put.pop_front();
		if (A[i]) put.push_back(cur);
	}
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 9
• Subtask 3: 0 / 9
• Subtask 4: 0 / 35
• Subtask 5: 0 / 39