CSES - Datatähti 2025 alku - Results
Submission details
Task:Kortit I
Sender:Karjalanp11rakka
Submission time:2024-10-29 17:56:11 +0200
Language:C++ (C++20)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.01 s1, 2, 3details
#2--2, 3details
#3--3details
#4--3details
#5--3details
#6--3details
#7--3details
#8--3details
#9--3details
#10--3details
#11--3details
#12--3details
#13--3details
#14--3details
#15--3details
#16--3details
#17--3details
#18--3details
#19--3details
#20--3details

Code

#include <bits/stdc++.h>
 
using namespace std;
 
int nums {};
 
unordered_set<int> cards1 {};
unordered_set<int> cards2 {};
 
int points1 {}, points2 {};
int targetPoints1 {}, targetPoints2 {};

bool search(vector<pair<int, int>>& result)
{
    if(cards1.size() == 0)
    {
        if(points1 == targetPoints1 && points2 == targetPoints2)
            return true;
        // if(points1 == targetPoints2 && points2 == targetPoints1)
        // {
        //     for_each(result.begin(), result.end(), [](auto& e)
        //     {
        //         swap(e.first, e.second);
        //     });
        //     return true;
        // }
    }
    else
    {
        for(int i {1}; i < (nums + 1); ++i)
        {
            if(!cards1.contains(i)) continue;
        
            cards1.erase(i);
 
            for(int j {1}; j < (nums + 1); ++j)
            {
                if(!cards2.contains(j)) continue;
 
                int p1 {points1}, p2 {points2}; 
                if(i > j)
                {
                    ++points1;
                    if((points1 > targetPoints1 && points2 > targetPoints1) || (points2 > targetPoints2 && points1 > targetPoints2)) continue;
                }
                else if(j > i)
                {
                    ++points2;
                    if((points1 > targetPoints1 && points2 > targetPoints1) || (points2 > targetPoints2 && points1 > targetPoints2)) continue;
                }
                cards2.erase(j);

                result.push_back(make_pair(i, j));
                
                if(search(result)) return true;
 
                result.pop_back();
 
                points1 = p1;
                points2 = p2;
 
                cards2.insert(j);
            }
            cards1.insert(i);
        }
 
    }
    return false;
}
 
int main()
{
    int n {};
    cin >> n;
 
    queue<tuple<int, int, int>> input {};
 
    for(int i {}; i < n; ++i)
    {
        cin >> nums >> targetPoints1 >> targetPoints2;

        input.push(make_tuple(nums, targetPoints1, targetPoints2));
    }
 
    for(int i {}; i < n; ++i)
    {
        cards1.reserve(nums * 2);
        cards2.reserve(nums * 2);
 
        for(int j {}; j < nums; ++j)
        {
            cards1.insert(j + 1);   
            cards2.insert(j + 1);   
        }
    
        nums = get<0>(input.front());
        targetPoints1 = get<1>(input.front());
        targetPoints2 = get<2>(input.front());
        input.pop();

        vector<pair<int, int>> result {};
        result.reserve(nums);
 
        bool y {search(result)};

        if(y)
        {
            cout << "YES\n";
            for(auto a : result)
                cout << a.first << ' ';
            cout << '\n';
            for(auto b : result)
                cout << b.second << ' ';
            cout << '\n';
        }
        else cout << "NO\n";

        cards1 = {};
        cards2 = {};
        points1 = 0;
        points2 = 0;
    }
 
    return 0;
}

Test details

Test 1

Group: 1, 2, 3

Verdict:

input
54
4 4 0
3 1 3
3 2 2
4 0 4
...

correct output
NO
NO
NO
NO
NO
...

user output
NO
NO
NO
NO
NO
...

Test 2

Group: 2, 3

Verdict:

input
284
6 1 0
5 0 2
7 1 5
7 7 5
...

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

user output
(empty)

Test 3

Group: 3

Verdict:

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

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

user output
(empty)

Test 4

Group: 3

Verdict:

input
869
17 12 9
16 8 4
15 9 9
17 11 15
...

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

user output
(empty)

Test 5

Group: 3

Verdict:

input
761
18 3 15
19 1 15
18 8 1
19 19 17
...

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

user output
(empty)

Test 6

Group: 3

Verdict:

input
925
21 14 21
20 18 18
20 7 6
21 14 9
...

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

user output
(empty)

Test 7

Group: 3

Verdict:

input
529
22 3 3
22 17 5
22 6 15
22 22 20
...

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

user output
(empty)

Test 8

Group: 3

Verdict:

input
576
23 18 9
23 16 8
23 16 13
23 16 22
...

correct output
NO
NO
NO
NO
NO
...

user output
(empty)

Test 9

Group: 3

Verdict:

input
625
24 2 22
24 15 21
24 6 3
24 21 1
...

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

user output
(empty)

Test 10

Group: 3

Verdict:

input
676
25 16 25
25 15 2
25 15 7
25 15 16
...

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

user output
(empty)

Test 11

Group: 3

Verdict:

input
729
26 2 18
26 14 18
26 5 18
26 19 13
...

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

user output
(empty)

Test 12

Group: 3

Verdict:

input
784
27 26 7
27 14 0
27 14 5
27 14 14
...

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

user output
(empty)

Test 13

Group: 3

Verdict:

input
841
28 26 16
28 13 19
28 5 8
28 26 4
...

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

user output
(empty)

Test 14

Group: 3

Verdict:

input
900
29 24 15
29 13 2
29 13 7
29 13 16
...

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

user output
(empty)

Test 15

Group: 3

Verdict:

input
961
30 24 26
30 12 24
30 4 29
30 24 14
...

correct output
NO
NO
NO
NO
YES
...

user output
(empty)

Test 16

Group: 3

Verdict:

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

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

user output
(empty)

Test 17

Group: 3

Verdict:

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

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

user output
(empty)

Test 18

Group: 3

Verdict:

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

correct output
NO
NO
NO
NO
YES
...

user output
(empty)

Test 19

Group: 3

Verdict:

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

correct output
NO
NO
NO
NO
NO
...

user output
(empty)

Test 20

Group: 3

Verdict:

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

correct output
NO
NO
NO
NO
NO
...

user output
(empty)