Submission #772809

#	Time	Username	Problem	Language	Result	Execution time	Memory
772809		kingfran1907	Last supper (IOI12_supper)	C++14	39 / 100	2606 ms	209852 KiB

advisor

#include "advisor.h"
#include <vector>
#include <queue>
#include <set>
#include <cstdio>

using namespace std;
const int maxn = 2e5+10;

bool sol[maxn];
vector< int > v;
queue< int > q[maxn];
int las[maxn];

void ComputeAdvice(int *C, int N, int K, int M) {
	for (int i = 0; i < K; i++) v.push_back(i);
	for (int i = 0; i < N; i++) v.push_back(C[i]);
	
	for (int i = 0; i < v.size(); i++) {
		q[v[i]].push(i);
	}
	for (int i = 0; i < N; i++) q[i].push(v.size() + 1);
	
	set< pair<int, int> > s;
	for (int i = 0; i < K; i++) s.insert({-q[i].front(), i});
	for (int i = 0; i < v.size(); i++) {
		//printf("debug: %d\n", v[i]); fflush(stdout);
		int x = v[i];
		if (!s.count({-q[x].front(), x})) {
			int tr = s.begin()->second;
			s.erase(s.begin());
			q[x].pop();
			s.insert({-q[x].front(), x});
		} else {
			sol[las[x]] = 1;
			s.erase({-q[x].front(), x});
			q[x].pop();
			s.insert({-q[x].front(), x});
		}
		las[x] = i;
	}
	for (int i = 0; i < v.size(); i++) WriteAdvice(sol[i]);
}

assistant

#include <bits/stdc++.h>
#include "assistant.h"
#define X first
#define Y second

using namespace std;
const int maxn = 1e5+10;
queue< int > qs[maxn];

void Assist(unsigned char *A, int N, int K, int R) {
	set< int > active, passive;
	for (int i = 0; i < K; i++) {
		if (A[i] == 1) active.insert(i);
		else passive.insert(i);
	}
	
	//printf("good\n"); fflush(stdout);
	for (int i = 0; i < N; i++) {
		int c = GetRequest();
		//printf("debug: %d\n", c); fflush(stdout);
		//printf("sizes: %d %d\n", active.size(), passive.size()); fflush(stdout);
		if (!active.count(c) && !passive.count(c)) {
			PutBack(*passive.begin());
			passive.erase(passive.begin());
		}
		active.erase(c);
		passive.erase(c);
		if (A[i + K] == 1) active.insert(c);
		else passive.insert(c);
	}
}

Compilation message (stderr)

advisor.cpp: In function 'void ComputeAdvice(int*, int, int, int)':
advisor.cpp:19:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |  for (int i = 0; i < v.size(); i++) {
      |                  ~~^~~~~~~~~~
advisor.cpp:26:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |  for (int i = 0; i < v.size(); i++) {
      |                  ~~^~~~~~~~~~
advisor.cpp:30:8: warning: unused variable 'tr' [-Wunused-variable]
   30 |    int tr = s.begin()->second;
      |        ^~
advisor.cpp:42:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |  for (int i = 0; i < v.size(); i++) WriteAdvice(sol[i]);
      |                  ~~^~~~~~~~~~

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