CSES - Datatähti 2024 loppu - Results
Submission details
Task:Sulut
Sender:Kemm1706
Submission time:2024-01-20 13:31:06 +0200
Language:C++ (C++11)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#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
#60.00 s1, 2, 3details
#7ACCEPTED0.00 s1, 2, 3details
#8ACCEPTED0.00 s1, 2, 3details
#9ACCEPTED0.00 s1, 2, 3details
#100.01 s1, 2, 3details
#11ACCEPTED0.00 s1, 2, 3details
#12ACCEPTED0.00 s1, 2, 3details
#13ACCEPTED0.00 s1, 2, 3details
#140.00 s1, 2, 3details
#150.00 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
#22ACCEPTED0.00 s2, 3details
#230.00 s2, 3details
#240.00 s2, 3details
#25ACCEPTED0.01 s3details
#26ACCEPTED0.01 s3details
#27ACCEPTED0.01 s3details
#28ACCEPTED0.01 s3details
#290.01 s3details

Compiler report

input/code.cpp: In function 'bool solve(ll, ll, std::string&, std::string&)':
input/code.cpp:28:11: warning: unused variable 'j' [-Wunused-variable]
   28 |     ll i, j;
      |           ^

Code

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector <ll> vl;
typedef vector <vl> vvl;
typedef pair <ll, ll> pl;
typedef vector <pl> vpl;
typedef vector <bool> vb;

const ll inf = 1e18;
const ll mod = 1e9 + 7;
const ll nmax = 1e6;

#define fi first
#define se second
#define mp make_pair
#define pb push_back

bool solve(ll n, ll k, string &s1, string &s2)
{
    if(n % 2 != 0)
        return false;
    if(k % 2 != 0)
        return false;
    if(k > n / 2)
        return false;
    char c[2] = {'(', ')'};
    ll i, j;
    for(i = 0; i < n / 2; i++)
        s1[i] = c[0];
    for(i = n / 2; i < n; i++)
        s1[i] = c[1];

    s2 = s1;
    k /= 2;
    for(i = 0; i < k; i++)
    {
        //cerr << n - 2 * i - 2 << "\n";

        s2[2 * i + 1] = c[1];
        s2[n - 2 * i - 2] = c[0];
    }
    return true;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);

    ll n, k;
    cin >> n >> k;
    string s1, s2;
    s1.resize(n), s2.resize(n);
    if(!solve(n, k, s1, s2))
        cout << "IMPOSSIBLE";
    else
        cout << s1 << "\n" << s2;

    return 0;
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
2 0

correct output
()
()

user output
()
()

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
4 0

correct output
()()
()()

user output
(())
(())

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
4 2

correct output
()()
(())

user output
(())
()()

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
6 0

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

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

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
6 2

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

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

Test 6

Group: 1, 2, 3

Verdict:

input
6 4

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

user output
IMPOSSIBLE

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
8 0

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

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

Test 8

Group: 1, 2, 3

Verdict: ACCEPTED

input
8 2

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

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

Test 9

Group: 1, 2, 3

Verdict: ACCEPTED

input
8 4

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

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

Test 10

Group: 1, 2, 3

Verdict:

input
8 6

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

user output
IMPOSSIBLE

Test 11

Group: 1, 2, 3

Verdict: ACCEPTED

input
10 0

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

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

Test 12

Group: 1, 2, 3

Verdict: ACCEPTED

input
10 2

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

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

Test 13

Group: 1, 2, 3

Verdict: ACCEPTED

input
10 4

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

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

Test 14

Group: 1, 2, 3

Verdict:

input
10 6

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

user output
IMPOSSIBLE

Test 15

Group: 1, 2, 3

Verdict:

input
10 8

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

user output
IMPOSSIBLE

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: ACCEPTED

input
100 42

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

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

Test 23

Group: 2, 3

Verdict:

input
100 80

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

user output
IMPOSSIBLE

Test 24

Group: 2, 3

Verdict:

input
100 98

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

user output
IMPOSSIBLE

Test 25

Group: 3

Verdict: ACCEPTED

input
1000000 0

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

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

Test 26

Group: 3

Verdict: ACCEPTED

input
1000000 42

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

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

Test 27

Group: 3

Verdict: ACCEPTED

input
1000000 4242

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

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

Test 28

Group: 3

Verdict: ACCEPTED

input
1000000 424242

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

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

Test 29

Group: 3

Verdict:

input
1000000 999998

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

user output
IMPOSSIBLE