oj.uz

Submission #744090

# Submission time Handle Problem Language Result Execution time Memory
744090 2023-05-18T08:00:15 Z boyliguanhan Last supper (IOI12_supper) C++17
26 / 100
 360 ms 21972 KB 
#include "advisor.h"
#include <map>
#include <vector>
#include <stack>
#include <algorithm>
#include <stdio.h>
using namespace std;
int where[1000005];
int Next[1000005];
vector < int > when[100005];
map < int , int > how;
void ComputeAdvice(int *C, int N, int K, int M) 
{
	int t=0,now=1,xx,i,j;
	while(now<K)
	{
		now*=2;
		t++;
	}
	
	for(i=0;i<N;i++) when[C[i]].push_back(i);
	for(i=0;i<N;i++) when[i].push_back(i+N);
	for(i=0;i<N;i++) Next[i]=*upper_bound(when[C[i]].begin(),when[C[i]].end(),i);
	for(i=0;i<K;i++) 
	{
		where[i]=i;
		how[when[i][0]]=i;
	}
	for(i=K;i<N;i++) where[i]=-1;
	for(i=0;i<N;i++)
	{
		if(how.find(i)!=how.end()) how.erase(i);
		if(where[C[i]]==-1)
		{
			xx=where[prev(how.end())->second];
			for(j=0;j<t;j++) 
			{
				if(xx&(1<<j)) WriteAdvice(1);
				else WriteAdvice(0);
			}
			where[C[i]]=xx;
			where[prev(how.end())->second]=-1;
			how.erase(prev(how.end()));
		} else {
          for(j = 0; j < t; j++)
            	if(K&(1<<j)) WriteAdvice(1);
          		else WriteAdvice(0);
        }
		how[Next[i]]=C[i]; 
	}
 
}
#include "assistant.h"
#include<bits/stdc++.h>
using namespace std;
void Assist(unsigned char *A, int N, int K, int R) {

  priority_queue<pair<int, int>> q;
  int last[N], nxt[N];
  memset(last, 1, sizeof last);
  int C[N], bits = log2(K)+1;
  memset(C, 0, sizeof C);
  for(int i = 0; i < N; i++)
    for(int j = 0; j < bits; j++)
      C[i]|=(int)A[i*bits+j] << j;
  int scaffold[K];
  iota(scaffold, scaffold+K, 0);
  for(int i = 0; i < N; i++) {
    int x = GetRequest();
    if(C[i]<K)
      PutBack(scaffold[C[i]]), scaffold[C[i]] = x;
  }
}

Compilation message

assistant.cpp: In function 'void Assist(unsigned char*, int, int, int)':
assistant.cpp:8:16: warning: unused variable 'nxt' [-Wunused-variable]
    8 |   int last[N], nxt[N];
      |                ^~~

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2952 KB Error - Putting back a color when it is already on the scaffold
2 Halted 0 ms 0 KB -

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 4280 KB Output is correct
2 Correct 144 ms 10724 KB Output is correct
3 Correct 350 ms 21972 KB Output is correct
4 Correct 159 ms 14360 KB Output is correct
5 Correct 226 ms 16800 KB Output is correct
6 Correct 291 ms 18820 KB Output is correct
7 Correct 339 ms 20880 KB Output is correct
8 Correct 284 ms 18308 KB Output is correct
9 Correct 115 ms 13560 KB Output is correct
10 Correct 345 ms 21224 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 283 ms 16536 KB Output is correct
2 Correct 352 ms 20860 KB Output is correct
3 Correct 343 ms 20964 KB Output is correct
4 Correct 339 ms 20964 KB Output is correct
5 Correct 334 ms 20704 KB Output is correct
6 Correct 343 ms 21140 KB Output is correct
7 Correct 344 ms 20980 KB Output is correct
8 Correct 347 ms 21088 KB Output is correct
9 Correct 328 ms 21324 KB Output is correct
10 Correct 344 ms 21340 KB Output is correct

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 3260 KB Error - advice is too long
2 Halted 0 ms 0 KB -

Subtask #5
8.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 338 ms 19520 KB Output is partially correct - 1500000 bits used
2 Correct 341 ms 19724 KB Output is partially correct - 1500000 bits used
3 Correct 352 ms 19844 KB Output is partially correct - 1500000 bits used
4 Correct 346 ms 20044 KB Output is partially correct - 1500000 bits used
5 Correct 343 ms 19836 KB Output is partially correct - 1500000 bits used
6 Correct 360 ms 19948 KB Output is partially correct - 1500000 bits used
7 Correct 348 ms 19872 KB Output is partially correct - 1497585 bits used
8 Correct 348 ms 19976 KB Output is partially correct - 1500000 bits used
9 Correct 340 ms 19924 KB Output is partially correct - 1500000 bits used
10 Correct 336 ms 19812 KB Output is partially correct - 1500000 bits used