CSES - Datatähti 2024 loppu - Results
Submission details
Task:Sulut
Sender:a256
Submission time:2024-01-20 14:42:46 +0200
Language:C++20
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2, 3details
#20.00 s1, 2, 3details
#3ACCEPTED0.00 s1, 2, 3details
#40.00 s1, 2, 3details
#50.00 s1, 2, 3details
#60.00 s1, 2, 3details
#70.00 s1, 2, 3details
#80.00 s1, 2, 3details
#9ACCEPTED0.00 s1, 2, 3details
#100.00 s1, 2, 3details
#110.00 s1, 2, 3details
#120.00 s1, 2, 3details
#130.00 s1, 2, 3details
#140.00 s1, 2, 3details
#150.00 s1, 2, 3details
#160.00 s1, 2, 3details
#170.00 s1, 2, 3details
#18ACCEPTED0.00 s1, 2, 3details
#19ACCEPTED0.00 s1, 2, 3details
#200.00 s2, 3details
#210.00 s2, 3details
#220.00 s2, 3details
#230.00 s2, 3details
#240.00 s2, 3details
#250.01 s3details
#260.01 s3details
#270.01 s3details
#280.01 s3details
#290.01 s3details

Code

#include <bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define N ((int)1e6+100)

char A[N],B[N];
int n,k;
int construct(char *A,int k){
	A[k-1]='(';
	int l=k-1;
	int r=n-l-1;
	if((l&1)==(r&1)) return 0;
	A[n-1]=')';
	--r;
	if(l&1){
		A[n-2]=')';
		for(int i=0;i+1<l;i+=2){
			A[i]='(';
			A[i+1]=')';
		}
		A[l-1]='(';
		--r;
		for(int i=0;i+1<r;i+=2){
			A[k+i]='(';
			A[k+i+1]=')';
		}
	} else {
		for(int i=0;i+1<l;i+=2){
			A[i]='(';
			A[i+1]=')';
		}
		for(int i=0;i+1<r;i+=2){
			A[k+i]='(';
			A[k+i+1]=')';
		}
	}
	return 1;
}

int main(){
	cin>>n>>k;++k;
	for(int i=0;i<n;++i) A[i]=B[i]='.';
	if((n&1)||n==k||n==1){
		cout<<"IMPOSSIBLE\n";
		return 0;
	}
	if(!construct(A,k)){
		cout<<"IMPOSSIBLE\n";
		return 0;
	}
	if(!construct(B,n-k+1)){
		cout<<"IMPOSSIBLE\n";
		return 0;
	}
	reverse(B,B+n);
	for(int i=0;i<n;++i){
		if(B[i]=='(') B[i]=')';
		else B[i]='(';
	}
	
	cout<<A<<'\n'<<B<<'\n';
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
2 0

correct output
()
()

user output
()
()

Test 2

Group: 1, 2, 3

Verdict:

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:

input
6 0

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

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

Test 5

Group: 1, 2, 3

Verdict:

input
6 2

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

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

Test 6

Group: 1, 2, 3

Verdict:

input
6 4

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

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

Test 7

Group: 1, 2, 3

Verdict:

input
8 0

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

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

Test 8

Group: 1, 2, 3

Verdict:

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
()()()()
((()()))

Test 11

Group: 1, 2, 3

Verdict:

input
10 0

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

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

Test 12

Group: 1, 2, 3

Verdict:

input
10 2

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

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

Test 13

Group: 1, 2, 3

Verdict:

input
10 4

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

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

Test 14

Group: 1, 2, 3

Verdict:

input
10 6

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

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

Test 15

Group: 1, 2, 3

Verdict:

input
10 8

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

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

Test 16

Group: 1, 2, 3

Verdict:

input
4 1

correct output
IMPOSSIBLE

user output
(())
()()

Test 17

Group: 1, 2, 3

Verdict:

input
4 4

correct output
IMPOSSIBLE

user output
()()(
((()

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:

input
100 0

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

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

Test 21

Group: 2, 3

Verdict:

input
100 10

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

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

Test 22

Group: 2, 3

Verdict:

input
100 42

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

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

Test 23

Group: 2, 3

Verdict:

input
100 80

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

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

Test 24

Group: 2, 3

Verdict:

input
100 98

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

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

Test 25

Group: 3

Verdict:

input
1000000 0

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

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

Test 26

Group: 3

Verdict:

input
1000000 42

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

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

Test 27

Group: 3

Verdict:

input
1000000 4242

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

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

Test 28

Group: 3

Verdict:

input
1000000 424242

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

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

Test 29

Group: 3

Verdict:

input
1000000 999998

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

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