CSES - Datatähti 2025 alku

CSES - Datatähti 2025 alku - Results

Submission details
Task:	Kortit I
Sender:	DLPS
Submission time:	2024-10-28 19:06:14 +0200
Language:	C++ (C++20)
Status:	READY
Result:	100

Feedback
group	verdict	score
#1	ACCEPTED	12
#2	ACCEPTED	15
#3	ACCEPTED	73

Test results
test	verdict	time	group
#1	ACCEPTED	0.00 s	1, 2, 3	details
#2	ACCEPTED	0.00 s	2, 3	details
#3	ACCEPTED	0.01 s	3	details
#4	ACCEPTED	0.01 s	3	details
#5	ACCEPTED	0.01 s	3	details
#6	ACCEPTED	0.01 s	3	details
#7	ACCEPTED	0.01 s	3	details
#8	ACCEPTED	0.01 s	3	details
#9	ACCEPTED	0.01 s	3	details
#10	ACCEPTED	0.01 s	3	details
#11	ACCEPTED	0.01 s	3	details
#12	ACCEPTED	0.01 s	3	details
#13	ACCEPTED	0.01 s	3	details
#14	ACCEPTED	0.01 s	3	details
#15	ACCEPTED	0.01 s	3	details
#16	ACCEPTED	0.02 s	3	details
#17	ACCEPTED	0.02 s	3	details
#18	ACCEPTED	0.02 s	3	details
#19	ACCEPTED	0.02 s	3	details
#20	ACCEPTED	0.02 s	3	details

Compiler report

input/code.cpp:1:22: warning: extra tokens at end of #include directive
    1 | #include "bits/stdc++.h";
      |                      ^

Code

#include "bits/stdc++.h";
#include <unordered_set>
//#include <bits/stdc++.h>

using namespace std;

bool PlayA(set<int>* playerADeck, set<int>* playerBDeck, vector<int>* playerAPlayed, vector<int>* playerBPlayed, int a, bool first)
{
	for (int i = 0; i < a; i++)
	{
		int aMax = first ? *playerADeck->rbegin() : *playerADeck->rbegin();
		int bCard = first ? *playerBDeck->begin() : *playerBDeck->rbegin();

		//cout << "aMax: " << aMax << " bCard: " << bCard << "\n";

		// Onko a:n kortti isompi kuin b:n?
		if (!(aMax > bCard))
		{
			//cout << "A not greater\n";
			cout << "NO";
			return false;
		}

		playerAPlayed->push_back(aMax);
		playerADeck->erase(aMax);
		playerBPlayed->push_back(bCard);
		playerBDeck->erase(bCard);
	}
	return true;
}
bool PlayB(set<int>* playerADeck, set<int>* playerBDeck, vector<int>* playerAPlayed, vector<int>* playerBPlayed, int b, bool first)
{
	for (int i = 0; i < b; i++)
	{
		int aCard = first ? *playerADeck->begin() : *playerADeck->rbegin();
		int bMax = first ? *playerBDeck->rbegin() : *playerBDeck->rbegin();

		//cout << "aMax: " << aMax << " bCard: " << bCard << "\n";

		// Onko a:n kortti isompi kuin b:n?
		if (!(bMax > aCard))
		{
			//cout << "A not greater\n";
			cout << "NO";
			return false;
		}

		playerAPlayed->push_back(aCard);
		playerADeck->erase(aCard);
		playerBPlayed->push_back(bMax);
		playerBDeck->erase(bMax);
	}
	return true;
}

void EvaluateTest(int n, int a, int b)
{
	// Tarkistetaan onko pisteitä enemmän kuin kortteja
	if (a + b > n)
	{
		cout << "NO";
		return;
	}

	// Luodaan molempien pakat
	set<int> playerADeck = set<int>();
	set<int> playerBDeck = set<int>();
	for (int i = 0; i < n; i++)
	{
		playerADeck.insert(i + 1);
		playerBDeck.insert(i + 1);
	}

	// Kortit jotka ollaan pelattu.
	vector<int> playerAPlayed = vector<int>();
	vector<int> playerBPlayed = vector<int>();

	// Montako samaa korttia pelattiin?
	int zeros = n - (a + b);

	for (int i = 0; i < zeros; i++)
	{
		// Esim n=5, jolloin n-played-1 = 4 jos ei yht��n pelattu, joka on viimeinen elementti
		playerAPlayed.push_back(*playerADeck.rbegin());
		playerADeck.erase(*playerADeck.rbegin());
		playerBPlayed.push_back(*playerBDeck.rbegin());
		playerBDeck.erase(*playerBDeck.rbegin());
	}

	if (a < b)
	{
		if (!PlayA(&playerADeck, &playerBDeck, &playerAPlayed, &playerBPlayed, a, true))
		{
			return;
		}
		if (!PlayB(&playerADeck, &playerBDeck, &playerAPlayed, &playerBPlayed, b, false))
		{
			return;
		}
	}
	else
	{
		if (!PlayB(&playerADeck, &playerBDeck, &playerAPlayed, &playerBPlayed, b, true))
		{
			return;
		}
		if (!PlayA(&playerADeck, &playerBDeck, &playerAPlayed, &playerBPlayed, a, false))
		{
			return;
		}
	}

	cout << "YES\n";

	for (int i = 0; i < n; i++)
	{
		cout << playerAPlayed[i];
		if (i != n - 1)
		{
			cout << " ";
		}
	}
	cout << "\n";
	for (int i = 0; i < n; i++)
	{
		cout << playerBPlayed[i];
		if (i != n - 1)
		{
			cout << " ";
		}
	}
}

int main()
{
	int testCount = 0;
	cin >> testCount;

	for (int i = 0; i < testCount; i++)
	{
		int n, a, b;
		cin >> n >> a >> b;

		EvaluateTest(n, a, b);

		if (i < testCount - 1)
		{
			cout << "\n";
		}
	}
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
`54 4 4 0 3 1 3 3 2 2 4 0 4 ...` view save

correct output
`NO NO NO NO NO ...` view save

user output
`NO NO NO NO NO ...` view save

Test 2

Group: 2, 3

Verdict: ACCEPTED

input
`284 6 1 0 5 0 2 7 1 5 7 7 5 ...` view save

correct output
`NO NO YES 1 2 3 4 5 6 7 2 3 4 5 6 1 7 ...` view save

user output
`NO NO YES 7 6 5 4 3 2 1 7 1 6 5 4 3 2 ...` view save

Test 3

Group: 3

Verdict: ACCEPTED

input
`955 14 2 10 12 2 5 10 4 9 14 1 13 ...` view save

correct output
`YES 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`YES 14 13 12 11 10 9 8 7 6 5 4 3 2...` view save

Test 4

Group: 3

Verdict: ACCEPTED

input
`869 17 12 9 16 8 4 15 9 9 17 11 15 ...` view save

correct output
`NO YES 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`NO YES 16 15 14 13 1 2 3 4 12 11 10 9...` view save

Test 5

Group: 3

Verdict: ACCEPTED

input
`761 18 3 15 19 1 15 18 8 1 19 19 17 ...` view save

correct output
`YES 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`YES 18 17 16 15 14 13 12 11 10 9 8...` view save

Test 6

Group: 3

Verdict: ACCEPTED

input
`925 21 14 21 20 18 18 20 7 6 21 14 9 ...` view save

correct output
`NO NO YES 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`NO NO YES 20 19 18 17 16 15 14 1 2 3 4 5...` view save

Test 7

Group: 3

Verdict: ACCEPTED

input
`529 22 3 3 22 17 5 22 6 15 22 22 20 ...` view save

correct output
`YES 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`YES 22 21 20 19 18 17 16 15 14 13 ...` view save

Test 8

Group: 3

Verdict: ACCEPTED

input
`576 23 18 9 23 16 8 23 16 13 23 16 22 ...` view save

correct output
`NO NO NO NO NO ...` view save

user output
`NO NO NO NO NO ...` view save

Test 9

Group: 3

Verdict: ACCEPTED

input
`625 24 2 22 24 15 21 24 6 3 24 21 1 ...` view save

correct output
`YES 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`YES 24 23 22 21 20 19 18 17 16 15 ...` view save

Test 10

Group: 3

Verdict: ACCEPTED

input
`676 25 16 25 25 15 2 25 15 7 25 15 16 ...` view save

correct output
`NO YES 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`NO YES 25 24 23 22 21 20 19 18 1 2 17...` view save

Test 11

Group: 3

Verdict: ACCEPTED

input
`729 26 2 18 26 14 18 26 5 18 26 19 13 ...` view save

correct output
`YES 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`YES 26 25 24 23 22 21 20 19 18 17 ...` view save

Test 12

Group: 3

Verdict: ACCEPTED

input
`784 27 26 7 27 14 0 27 14 5 27 14 14 ...` view save

correct output
`NO NO YES 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`NO NO YES 27 26 25 24 23 22 21 20 1 2 3 ...` view save

Test 13

Group: 3

Verdict: ACCEPTED

input
`841 28 26 16 28 13 19 28 5 8 28 26 4 ...` view save

correct output
`NO NO YES 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`NO NO YES 28 27 26 25 24 23 22 21 20 19 ...` view save

Test 14

Group: 3

Verdict: ACCEPTED

input
`900 29 24 15 29 13 2 29 13 7 29 13 16 ...` view save

correct output
`NO YES 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`NO YES 29 28 27 26 25 24 23 22 21 20 ...` view save

Test 15

Group: 3

Verdict: ACCEPTED

input
`961 30 24 26 30 12 24 30 4 29 30 24 14 ...` view save

correct output
`NO NO NO NO YES ...` view save

user output
`NO NO NO NO YES ...` view save

Test 16

Group: 3

Verdict: ACCEPTED

input
`1000 15 12 6 33 18 30 44 4 26 6 6 5 ...` view save

correct output
`NO NO YES 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`NO NO YES 44 43 42 41 40 39 38 37 36 35 ...` view save

Test 17

Group: 3

Verdict: ACCEPTED

input
`1000 45 32 30 4 0 3 46 23 10 71 19 46 ...` view save

correct output
`NO NO YES 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`NO NO YES 46 45 44 43 42 41 40 39 38 37 ...` view save

Test 18

Group: 3

Verdict: ACCEPTED

input
`1000 51 29 37 75 11 72 5 2 4 31 8 26 ...` view save

correct output
`NO NO NO NO YES ...` view save

user output
`NO NO NO NO YES ...` view save

Test 19

Group: 3

Verdict: ACCEPTED

input
`1000 50 20 37 99 45 58 86 79 73 85 70 54 ...` view save

correct output
`NO NO NO NO NO ...` view save

user output
`NO NO NO NO NO ...` view save

Test 20

Group: 3

Verdict: ACCEPTED

input
`1000 26 23 5 73 53 59 64 47 41 80 75 55 ...` view save

correct output
`NO NO NO NO NO ...` view save

user output
`NO NO NO NO NO ...` view save

Datatähti 2025 alku

Kortit I

Compiler report

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Tasks

Submissions (DLPS)