Submission #804441

#	Time	Username	Problem	Language	Result	Execution time	Memory
804441		Dan4Life	Last supper (IOI12_supper)	C++17	9 / 100	402 ms	23860 KiB

advisor

#include "advisor.h"
#include <bits/stdc++.h>
using namespace std;

void ComputeAdvice(int *C, int N, int K, int M) {
	for(int i = 0; i < N; i++)
		for(int j = 0; j < (N<=5000?13:20); j++)
			WriteAdvice((C[i]>>j)&1);
}

assistant

#include "assistant.h"
#include <bits/stdc++.h>
using namespace std;
 
void Assist(unsigned char *A, int N, int K, int R) {
  int C[N+1]; vector<int> v[N+1];
  for(int i = 0; i < N; i++) C[i]=0;
  const int bit = R%20?13:20;
  for(int i = 0; i < R; i++)
      if(A[i]) C[i/bit] |= (1<<(i%bit));
  set<int> S; set<pair<int,int>> SS;
  for(int i = 0; i < N; i++) v[C[i]].push_back(i);
  for(int i = 0; i < N; i++) v[i].push_back(N+1);
  for(int i = 0; i < K; i++){
	  int nx = *upper_bound(begin(v[i]),end(v[i]),-1);
	  S.insert(i); SS.insert({nx,i});
  }
  for(int i = 0; i < N; i++) {
    int req = GetRequest();
    if(S.count(req)){
        int nx = *upper_bound(begin(v[req]),end(v[req]),i);
        SS.erase({i,req}); SS.insert({nx,req});
        continue;
    }
    int getCol = (--end(SS))->second;
    S.erase(getCol); S.insert(req); PutBack(getCol);
    int nx = *upper_bound(begin(v[req]),end(v[req]),i);
    SS.erase(--end(SS)); SS.insert({nx,req});
  }
}

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