oj.uz

Submission #307526

# Submission time Handle Problem Language Result Execution time Memory
307526 2020-09-28T13:56:50 Z luciocf Hidden Sequence (info1cup18_hidden) C++14
100 / 100
 8 ms 384 KB 
#include<bits/stdc++.h>
#include "grader.h"

using namespace std;

bool is(int q_0, int q_1, bool ord)
{
	vector<int> v;

	if (ord)
	{
		for (int i = 0; i < q_1; i++)
			v.push_back(1);
		for (int i = 0; i < q_0; i++)
			v.push_back(0);
	}
	else
	{
		for (int i = 0; i < q_0; i++)
			v.push_back(0);
		for (int i = 0; i < q_1; i++)
			v.push_back(1);
	}

	return isSubsequence(v);
}

vector<int> findSequence (int n)
{
	vector<int> ans;

	int tot_0 = 0, tot_1 = 0;

	if (is(0, n/2+1, 1))
	{
		for (int i = 1; i <= n/2; i++)
			if (is(i, 0, 0))
				tot_0 = i;

		tot_1 = n-tot_0;
	}
	else
	{
		for (int i = 1; i <= n/2; i++)
			if (is(0, i, 1))
				tot_1 = i;

		tot_0 = n-tot_1;
	}

	int qtd_0 = 0, qtd_1 = 0;

	for (int i = 0; i < n; i++)
	{
		if (qtd_1+1 + tot_0-qtd_0 <= n/2+1)
		{
			if (is(tot_0-qtd_0, qtd_1+1, 1))
			{
				ans.push_back(1);
				qtd_1++;
			}
			else
			{
				ans.push_back(0);
				qtd_0++;
			}
		}
		else
		{
			if (is(qtd_0+1, tot_1-qtd_1, 0))
			{
				ans.push_back(0);
				qtd_0++;
			}
			else
			{
				ans.push_back(1);
				qtd_1++;
			}
		}
	}

	return ans;
}

Compilation message

grader.cpp: In function 'int main()':
grader.cpp:28:26: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wformat=]
   28 |     fprintf (fifo_out, "%d\n", ans.size ());
      |                         ~^     ~~~~~~~~~~~
      |                          |              |
      |                          int            std::vector<int>::size_type {aka long unsigned int}
      |                         %ld
grader.cpp:29:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     for (int i=0; i<ans.size () && i < N; i++)
      |                   ~^~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct: Maximum length of a query = 5
2 Correct 1 ms 256 KB Output is correct: Maximum length of a query = 6
3 Correct 1 ms 256 KB Output is correct: Maximum length of a query = 5
4 Correct 1 ms 256 KB Output is correct: Maximum length of a query = 5
5 Correct 1 ms 256 KB Output is correct: Maximum length of a query = 4

Subtask #2
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct: Maximum length of a query = 83
2 Correct 5 ms 384 KB Output is correct: Maximum length of a query = 90
3 Correct 6 ms 256 KB Output is correct: Maximum length of a query = 96
4 Correct 4 ms 384 KB Output is correct: Maximum length of a query = 77
5 Correct 7 ms 256 KB Output is correct: Maximum length of a query = 95
6 Correct 5 ms 256 KB Output is correct: Maximum length of a query = 87
7 Correct 7 ms 256 KB Output is correct: Maximum length of a query = 97
8 Correct 5 ms 256 KB Output is correct: Maximum length of a query = 83
9 Correct 8 ms 256 KB Output is correct: Maximum length of a query = 101
10 Correct 8 ms 256 KB Output is correct: Maximum length of a query = 100
11 Correct 4 ms 376 KB Output is correct: Maximum length of a query = 96
12 Correct 7 ms 256 KB Output is correct: Maximum length of a query = 100
13 Correct 8 ms 256 KB Output is correct: Maximum length of a query = 101