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Datatähti 2025 alku

Kortit I

  • Start: 2024-10-28 00:00:00
  • End: 2024-11-11 00:00:00
CSES - Datatähti 2025 alku - Results
Submission details
Task:Kortit I
Sender:TNT
Submission time:2024-11-03 15:34:36 +0200
Language:C++ (C++17)
Status:READY
Result:0
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Test results
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Compiler report

input/code.cpp: In function 'Output PlayGame(std::vector<int>)':
input/code.cpp:93:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   93 |                 for (int i = 0; i < Permutations.size()-1; i++) {
      |                                 ~~^~~~~~~~~~~~~~~~~~~~~~~

Code

#include <algorithm>
#include <iostream>
#include <string>
#include <vector>
#include <chrono>

struct Output {
	std::string Possible = "NO";
	bool True = false;
	std::vector<int> GamePlayerA;
	std::vector<int> GamePlayerB;
};

unsigned long factorial(const int n)
{
    unsigned long f = 1;
    for (unsigned long i=1; i<=(unsigned long)n; i++)
      f = static_cast<unsigned long>(f*i);
			std::cout << f << "\n";
    return f;
}

Output PlayGame(std::vector<int> inputs) {
	const int n = inputs[0];
	const int PointsA = inputs[1];
	const int PointsB = inputs[2];
	Output Result;

	std::vector<std::vector<int>> Permutations;
	//std::cout << "start\n";
	/*unsigned long TotalPermCount = factorial(n);
	throw;
	std::cout << TotalPermCount << "\n";
	Permutations.reserve(TotalPermCount);
	Permutations.resize(TotalPermCount);*/

	Permutations.push_back({});
	for (int i = 0; i<n; i++) {
		Permutations[0].push_back(i+1);
	}
	//std::cout << "Perm "<< Permutations[0].size() << "\n\n";
	if (PointsA==0 && PointsB == 0) {
		Result.Possible = "YES";
		Result.True = true;
		Result.GamePlayerA = Permutations[0];
		Result.GamePlayerB = Permutations[0];
		return Result;
	}

	/*auto t1 = std::chrono::high_resolution_clock::now();
	while (std::next_permutation(Permutations[0].begin(), Permutations[0].end())) {
		Permutations.push_back(Permutations[0]);
	};
	int P = 0;
	do {
		Permutations[P] = Permutations[0];
		P++;
	} while (std::next_permutation(Permutations[0].begin(), Permutations[0].end()));
	auto t2 = std::chrono::high_resolution_clock::now();
	std::cout << "permutations took: " << std::chrono::duration_cast<std::chrono::milliseconds>(t2-t1).count() << "\n";
	*/
	//auto t1 = std::chrono::high_resolution_clock::now();
	/*for (int i = 0; i < Permutations.size(); i++) {
		std::cout << "Permutation: " << i << "\n";
		for (int j = i; j >= 0; j--) {
			std::cout << "Inner Permutation: " << j << "\n";
			int PointA = 0;
			int PointB = 0;
			for (int k = 0; k<n; k++) {
				if (Permutations[i][k] > Permutations[j][k]) {
					PointA++;
				} else if (Permutations[i][k] < Permutations[j][k]) {
					PointB++;
				};
			}
			if (PointA==PointsA && PointB == PointsB) {
				Result.Possible = "YES";
				Result.True = true;
				Result.GamePlayerA = Permutations[i];
				Result.GamePlayerB = Permutations[j];
				auto t2 = std::chrono::high_resolution_clock::now();
				std::cout << "Loops took: " << std::chrono::duration_cast<std::chrono::milliseconds>(t2-t1).count() << "\n";
				return Result;
			}
		}
	}*/

	auto t1 = std::chrono::high_resolution_clock::now();
	auto Og = Permutations[0];
	while (std::next_permutation(Og.begin(), Og.end())) {
		Permutations.push_back(Og);
		auto cur = Permutations.back();
		for (int i = 0; i < Permutations.size()-1; i++) {
			int PointA = 0;
			int PointB = 0;
			for (int k = 0; k<n; k++) {
				if (Permutations[i][k] > cur[k]) {
					PointA++;
				} else if (Permutations[i][k] < cur[k]) {
					PointB++;
				};
			}
			//std::cout << PointA << " " << PointB << "\n";
			if (PointA==PointsA && PointB == PointsB) {
				Result.Possible = "YES";
				Result.True = true;
				Result.GamePlayerA = Permutations[i];
				Result.GamePlayerB = cur;
				auto t2 = std::chrono::high_resolution_clock::now();
				std::cout << "Loops took: " << std::chrono::duration_cast<std::chrono::milliseconds>(t2-t1).count() << "\n";
				return Result;
			}
		}
	}

	auto t2 = std::chrono::high_resolution_clock::now();
	std::cout << "Loops took: " << std::chrono::duration_cast<std::chrono::milliseconds>(t2-t1).count() << "\n";
	return Result;
}

int main () {
	// Input
	// t = number of games
	// n = number of cards from 1 to n
	// a = points of a
	// b = points of b
	int t, n, a, b;
	std::cin >> t;
	std::vector<std::vector<int>> inputs;
	inputs.reserve(t);
	inputs.resize(t);
	for (int i=0; i<t; i++) {
		std::cin >> n >> a >> b;
		inputs[i] = {n,a,b};
	};

		//Goal: find if a game is possible and if true, find a possible game.
		//Player with the higher card gets 1 point
		//If cards are the same, 0 points
		for (const std::vector<int> &input : inputs) {
			Output Output = PlayGame(input);
			//std::cout << "out" << "\n\n";

			std::cout << Output.Possible << "\n";
			if (Output.True) {
				for (const int i : Output.GamePlayerA) {
					std::cout << i << " ";
				}
				std::cout << "\n";
				for (const int i : Output.GamePlayerB) {
					std::cout << i << " ";
				}
				std::cout << "\n";
			}
		}
}

Test details

Test 1

Group: 1, 2, 3

Verdict:

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
Loops took: 0
NO
Loops took: 0
NO
Loops took: 0
...
view save

Test 2

Group: 2, 3

Verdict:

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
(empty)

Test 3

Group: 3

Verdict:

input
955
14 2 10
12 2 5
10 4 9
14 1 13
...
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correct output
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
(empty)

Test 4

Group: 3

Verdict:

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
(empty)

Test 5

Group: 3

Verdict:

input
761
18 3 15
19 1 15
18 8 1
19 19 17
...
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correct output
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
(empty)

Test 6

Group: 3

Verdict:

input
925
21 14 21
20 18 18
20 7 6
21 14 9
...
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correct output
NO
NO
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
(empty)

Test 7

Group: 3

Verdict:

input
529
22 3 3
22 17 5
22 6 15
22 22 20
...
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correct output
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
(empty)

Test 8

Group: 3

Verdict:

input
576
23 18 9
23 16 8
23 16 13
23 16 22
...
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correct output
NO
NO
NO
NO
NO
...
view save

user output
(empty)

Test 9

Group: 3

Verdict:

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
(empty)

Test 10

Group: 3

Verdict:

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
(empty)

Test 11

Group: 3

Verdict:

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
(empty)

Test 12

Group: 3

Verdict:

input
784
27 26 7
27 14 0
27 14 5
27 14 14
...
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correct output
NO
NO
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
(empty)

Test 13

Group: 3

Verdict:

input
841
28 26 16
28 13 19
28 5 8
28 26 4
...
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correct output
NO
NO
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
(empty)

Test 14

Group: 3

Verdict:

input
900
29 24 15
29 13 2
29 13 7
29 13 16
...
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correct output
NO
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
(empty)

Test 15

Group: 3

Verdict:

input
961
30 24 26
30 12 24
30 4 29
30 24 14
...
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correct output
NO
NO
NO
NO
YES
...
view save

user output
(empty)

Test 16

Group: 3

Verdict:

input
1000
15 12 6
33 18 30
44 4 26
6 6 5
...
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correct output
NO
NO
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
(empty)

Test 17

Group: 3

Verdict:

input
1000
45 32 30
4 0 3
46 23 10
71 19 46
...
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correct output
NO
NO
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
(empty)

Test 18

Group: 3

Verdict:

input
1000
51 29 37
75 11 72
5 2 4
31 8 26
...
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correct output
NO
NO
NO
NO
YES
...
view save

user output
(empty)

Test 19

Group: 3

Verdict:

input
1000
50 20 37
99 45 58
86 79 73
85 70 54
...
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correct output
NO
NO
NO
NO
NO
...
view save

user output
(empty)

Test 20

Group: 3

Verdict:

input
1000
26 23 5
73 53 59
64 47 41
80 75 55
...
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correct output
NO
NO
NO
NO
NO
...
view save

user output
(empty)

Tasks

A Pizzat-B Robotti-C Kortit I-D Kortit II-E Niitty-F Tikut-

Submissions (TNT)

2024-11-06 18:32:58 272024-11-06 18:30:45 272024-11-06 18:00:25 122024-11-06 17:57:52 02024-11-03 17:06:01 122024-11-03 16:13:55 02024-11-03 16:06:25 02024-11-03 16:05:56 02024-11-03 15:37:18 122024-11-03 15:34:36 02024-11-03 13:59:39 02024-11-03 12:42:05 12