CSES - Datatähti 2024 loppu - Results
Submission details
Task:Sulut
Sender:cppbetter
Submission time:2024-01-20 16:20:37 +0200
Language:C++20
Status:READY
Result:12
Feedback
groupverdictscore
#1ACCEPTED12
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2, 3details
#2ACCEPTED0.00 s1, 2, 3details
#3ACCEPTED0.00 s1, 2, 3details
#4ACCEPTED0.00 s1, 2, 3details
#5ACCEPTED0.00 s1, 2, 3details
#6ACCEPTED0.00 s1, 2, 3details
#7ACCEPTED0.00 s1, 2, 3details
#8ACCEPTED0.00 s1, 2, 3details
#9ACCEPTED0.00 s1, 2, 3details
#10ACCEPTED0.00 s1, 2, 3details
#11ACCEPTED0.00 s1, 2, 3details
#12ACCEPTED0.00 s1, 2, 3details
#13ACCEPTED0.00 s1, 2, 3details
#14ACCEPTED0.00 s1, 2, 3details
#15ACCEPTED0.00 s1, 2, 3details
#16ACCEPTED0.00 s1, 2, 3details
#17ACCEPTED0.00 s1, 2, 3details
#18ACCEPTED0.00 s1, 2, 3details
#19ACCEPTED0.00 s1, 2, 3details
#20ACCEPTED0.00 s2, 3details
#21ACCEPTED0.00 s2, 3details
#22--2, 3details
#23--2, 3details
#24--2, 3details
#25ACCEPTED0.03 s3details
#26--3details
#27--3details
#28--3details
#29--3details

Code

#include <bits/stdc++.h>

using namespace std;
using ll = int64_t;

string s1, s2;
ll n, k;
ll t1 = 0, t2 = 0;
ll d = 0;

void handle(ll i) {
    if(i == n && d == k && t1 == 0 && t2 == 0) {
        cout << s1 << "\n" << s2 << "\ns";
        exit(0);
    } else if(i < n) {
        if(t1 > 0) {
            t1--;
            s1[i] = ')';
            if(t2 > 0) {
                t2--;
                s2[i] = ')';
                handle(i + 1);
                t2++;
            }

            d++;
            t2++;
            s2[i] = '(';
            handle(i + 1);
            t2--;
            d--;
            t1++;
        }

        t1++;
        s1[i] = '(';
        if(t2 > 0) {
            t2--;
            d++;
            s2[i] = ')';
            handle(i + 1);
            t2++;
            d--;
        }

        t2++;
        s2[i] = '(';
        handle(i + 1);
        t2--;

        t1--;
    }
}

int main() {
    cin >> n >> k;

    if(k % 2 != 0 || n % 2 != 0) {
        cout << "IMPOSSIBLE\n";
    } else {
        s1.resize(n);
        s2.resize(n);
        handle(0);
        cout << "IMPOSSIBLE\n";
    }

    return 0;
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
2 0

correct output
()
()

user output
()
()
s

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
4 0

correct output
()()
()()

user output
()()
()()
s

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
4 2

correct output
()()
(())

user output
()()
(())
s

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
6 0

correct output
()()()
()()()

user output
()()()
()()()
s

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
6 2

correct output
()()()
()(())

user output
()()()
()(())
s

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
6 4

correct output
()()()
(()())

user output
()()()
(()())
s

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
8 0

correct output
()()()()
()()()()

user output
()()()()
()()()()
s

Test 8

Group: 1, 2, 3

Verdict: ACCEPTED

input
8 2

correct output
()()()()
()()(())

user output
()()()()
()()(())
s

Test 9

Group: 1, 2, 3

Verdict: ACCEPTED

input
8 4

correct output
()()()()
()(()())

user output
()()()()
()(()())
s

Test 10

Group: 1, 2, 3

Verdict: ACCEPTED

input
8 6

correct output
()()()()
(()()())

user output
()()()()
(()()())
s

Test 11

Group: 1, 2, 3

Verdict: ACCEPTED

input
10 0

correct output
()()()()()
()()()()()

user output
()()()()()
()()()()()
s

Test 12

Group: 1, 2, 3

Verdict: ACCEPTED

input
10 2

correct output
()()()()()
()()()(())

user output
()()()()()
()()()(())
s

Test 13

Group: 1, 2, 3

Verdict: ACCEPTED

input
10 4

correct output
()()()()()
()()(()())

user output
()()()()()
()()(()())
s

Test 14

Group: 1, 2, 3

Verdict: ACCEPTED

input
10 6

correct output
()()()()()
()(()()())

user output
()()()()()
()(()()())
s

Test 15

Group: 1, 2, 3

Verdict: ACCEPTED

input
10 8

correct output
()()()()()
(()()()())

user output
()()()()()
(()()()())
s

Test 16

Group: 1, 2, 3

Verdict: ACCEPTED

input
4 1

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 17

Group: 1, 2, 3

Verdict: ACCEPTED

input
4 4

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 18

Group: 1, 2, 3

Verdict: ACCEPTED

input
5 1

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 19

Group: 1, 2, 3

Verdict: ACCEPTED

input
5 2

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 20

Group: 2, 3

Verdict: ACCEPTED

input
100 0

correct output
()()()()()()()()()()()()()()()...

user output
()()()()()()()()()()()()()()()...
Truncated

Test 21

Group: 2, 3

Verdict: ACCEPTED

input
100 10

correct output
()()()()()()()()()()()()()()()...

user output
()()()()()()()()()()()()()()()...
Truncated

Test 22

Group: 2, 3

Verdict:

input
100 42

correct output
()()()()()()()()()()()()()()()...

user output
(empty)

Test 23

Group: 2, 3

Verdict:

input
100 80

correct output
()()()()()()()()()()()()()()()...

user output
(empty)

Test 24

Group: 2, 3

Verdict:

input
100 98

correct output
()()()()()()()()()()()()()()()...

user output
(empty)

Test 25

Group: 3

Verdict: ACCEPTED

input
1000000 0

correct output
()()()()()()()()()()()()()()()...

user output
()()()()()()()()()()()()()()()...
Truncated

Test 26

Group: 3

Verdict:

input
1000000 42

correct output
()()()()()()()()()()()()()()()...

user output
(empty)

Test 27

Group: 3

Verdict:

input
1000000 4242

correct output
()()()()()()()()()()()()()()()...

user output
(empty)

Test 28

Group: 3

Verdict:

input
1000000 424242

correct output
()()()()()()()()()()()()()()()...

user output
(empty)

Test 29

Group: 3

Verdict:

input
1000000 999998

correct output
()()()()()()()()()()()()()()()...

user output
(empty)