Submission #58827

#	Time	Username	Problem	Language	Result	Execution time	Memory
58827		joaogui1	Last supper (IOI12_supper)	C++14	30 / 100	783 ms	182400 KiB

advisor

#include "advisor.h"
#include <bits/stdc++.h>
#define ff first
#define ss second

using namespace std;
typedef pair<int, int> pii;

set<pii> s;
int sca[100100];
vector <int> ans;
queue <int> q[100100];

vector <int> dectobin(int n){
  vector<int> r;
  for(int i = 17; i > -1; --i)
    if((1 << i) <= n){
      r.push_back(1);
      n -= (1 << i);
    }
    else  r.push_back(0);
  return r;
}

void ComputeAdvice(int *C, int N, int K, int M){
  vector <int> aux;
  for(int i = 0; i < N; ++i)  q[C[i]].push(-i);
  for(int i = 0; i < N; ++i) q[i].push(-2*N);
  for(int i = 0; i < K; ++i) s.insert(pii(q[i].front(), i));
  for(int i = 0; i < N; ++i){
    if(s.count(pii(q[C[i]].front(), C[i])) != 0){
      s.erase(pii(q[C[i]].front(), C[i]));
      q[C[i]].pop();
      s.insert(pii(q[C[i]].front(), C[i]));
    }
    else{
      ans.push_back(s.begin() -> ss);
      q[C[i]].pop();
      s.erase(s.begin());
      s.insert(pii(q[C[i]].front(), C[i]));
    }
  }
  for(int i = 0; i < ans.size(); ++i){
    aux = dectobin(ans[i]);
    for(int j = 0; j < aux. size(); ++j)
      WriteAdvice(aux[j]);
  }
}

assistant

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

using namespace std;
set <int> scaf;

vector<int> bintodec(unsigned char *A, int R){
  int aux = 0;
  vector<int> r;
  for(int i = 0; i < R && A[i] != 2; ++i){
    aux += (1 << (17 - (i%18)))*(A[i] == 1);
    if((i%18) == 17){
      r.push_back(aux);
      aux = 0;
    }
  }
  return r;
}

void Assist(unsigned char *A, int N, int K, int R){
  int cnt = 0;
  vector<int> rem = bintodec(A, R);
  for(int i = 0; i < K; ++i)  scaf.insert(i);
  for(int i = 0; i < N; ++i){
    int req = GetRequest();
    if(scaf.count(req)) continue;

    else{
      scaf.erase(rem[cnt]);
      scaf.insert(req);
      PutBack(rem[cnt++]);
    }
  }
}

Compilation message (stderr)

advisor.cpp: In function 'void ComputeAdvice(int*, int, int, int)':
advisor.cpp:43:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 0; i < ans.size(); ++i){
                  ~~^~~~~~~~~~~~
advisor.cpp:45:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int j = 0; j < aux. size(); ++j)
                    ~~^~~~~~~~~~~~~

• Subtask 1: 0 / 8
• Subtask 2: 9 / 9
• Subtask 3: 9 / 9
• Subtask 4: 0 / 35
• Subtask 5: 12 / 39