CSES - Datatähti 2024 loppu - Results
Submission details
Task:Sulut
Sender:a256
Submission time:2024-01-20 15:23:37 +0200
Language:C++ (C++20)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.00 s1, 2, 3details
#20.00 s1, 2, 3details
#3ACCEPTED0.00 s1, 2, 3details
#40.00 s1, 2, 3details
#5ACCEPTED0.00 s1, 2, 3details
#6ACCEPTED0.00 s1, 2, 3details
#70.00 s1, 2, 3details
#8ACCEPTED0.00 s1, 2, 3details
#9ACCEPTED0.00 s1, 2, 3details
#10ACCEPTED0.00 s1, 2, 3details
#110.00 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
#200.00 s2, 3details
#21ACCEPTED0.00 s2, 3details
#22ACCEPTED0.00 s2, 3details
#23ACCEPTED0.00 s2, 3details
#24ACCEPTED0.00 s2, 3details
#250.00 s3details
#26ACCEPTED0.01 s3details
#27ACCEPTED0.01 s3details
#28ACCEPTED0.01 s3details
#29ACCEPTED0.01 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 main(){
	cin>>n>>k;
	if((n&1)||(k&1)||k==0||k==n){
		cout<<"IMPOSSIBLE\n";
		return 0;
	}
	for(int i=0;i+1<n;i+=2){
		B[i]=A[i]='(';
		B[i+1]=A[i+1]=')';
	}
	for(int i=1;i<k;i+=2){
		B[i]='(';
		B[i+1]=')';
	}
	int s=0;
	for(int i=0;i<n;++i){
		if(B[i]=='(') ++s;
		if(B[i]==')') --s;
		if(s<0){
			return 1;
		}
	}
	if(s<0) return 1;
	cout<<A<<'\n'<<B<<'\n';
}

Test details

Test 1

Group: 1, 2, 3

Verdict:

input
2 0

correct output
()
()

user output
IMPOSSIBLE

Test 2

Group: 1, 2, 3

Verdict:

input
4 0

correct output
()()
()()

user output
IMPOSSIBLE

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
IMPOSSIBLE

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
6 2

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

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

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
6 4

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

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

Test 7

Group: 1, 2, 3

Verdict:

input
8 0

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

user output
IMPOSSIBLE

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: ACCEPTED

input
8 6

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

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

Test 11

Group: 1, 2, 3

Verdict:

input
10 0

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

user output
IMPOSSIBLE

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: ACCEPTED

input
10 6

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

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

Test 15

Group: 1, 2, 3

Verdict: ACCEPTED

input
10 8

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

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

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:

input
100 0

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

user output
IMPOSSIBLE

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: ACCEPTED

input
100 80

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

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

Test 24

Group: 2, 3

Verdict: ACCEPTED

input
100 98

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

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

Test 25

Group: 3

Verdict:

input
1000000 0

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

user output
IMPOSSIBLE

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: ACCEPTED

input
1000000 999998

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

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