CSES - Datatähti 2017 alku - Results
Submission details
Task:Järjestys
Sender:Hupijekku
Submission time:2016-10-15 19:10:38 +0300
Language:C++
Status:READY
Result:19
Feedback
groupverdictscore
#1ACCEPTED19
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.05 s1details
#20.06 s2details
#3--3details

Code

#include <iostream>

int revCount = 0;

void reverse(int numbers[], int i)
{
    int temp, start = 0;
    while (start < i)
    {
        temp = numbers[start];
        numbers[start] = numbers[i];
        numbers[i] = temp;
        start++;
        i--;
    }
}

int findMax(int numbers[], int n)
{
	int nMax, i;
	for (nMax = 0, i = 0; i < n; ++i)
	{
		if (numbers[i] > numbers[nMax])
		{
			nMax = i;
		}
	}
   return nMax;
}
void Sort(int *numbers, int *reverses, int n)
{

    for (int size = n; size > 1; --size)
    {
        int nMax = findMax(numbers, size);
 
        if (nMax != size-1)
        {
			if (nMax > 0)
			{
				reverse(numbers, nMax);
				reverses[revCount] = nMax + 1;
				revCount++;
			}
			if (size > 1)
			{

				reverse(numbers, size-1);
				reverses[revCount] = size;
				revCount++;	
			}

        }
    }
}
 
int main()
{
	std::ios_base::sync_with_stdio(0);
	int n;
	std::cin >> n;
	int* numbers = new int[n];
	int* reverses = new int[2 * n];
	int x;
	for (int i = 0; i < n; i++)
	{
		std::cin >> x;
		numbers[i] = x;
	}

	Sort(numbers, reverses, n);

	std::cout << revCount << '\n';
	for (int i = 0; i < revCount; ++i)
	{
		printf("%d ", reverses[i]);
	}

	delete[] reverses;
	delete[] numbers;
    return 0;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
10
9 3 4 7 6 5 10 2 8 1

correct output
32
10 10 9 10 9 8 7 9 4 2 1 4 5 2...

user output
11
7 10 4 9 7 8 4 7 3 4 2 

Test 2

Group: 2

Verdict:

input
1000
650 716 982 41 133 1000 876 92...

correct output
3984
207 207 206 207 128 127 126 12...

user output
6 1000 904 999 964 998 333 997...

Test 3

Group: 3

Verdict:

input
100000
94703 47808 62366 31885 7091 8...

correct output
399956
98676 98676 98675 98676 62994 ...

user output
(empty)