CSES - Datatähti 2023 loppu - Results
Submission details
Task:Merkkijonot
Sender:okkokko
Submission time:2023-01-21 19:46:51 +0200
Language:Python3 (PyPy3)
Status:READY
Result:15
Feedback
groupverdictscore
#1ACCEPTED15
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.04 s1, 2, 3details
#2ACCEPTED0.05 s1, 2, 3details
#3ACCEPTED0.10 s1, 2, 3details
#4ACCEPTED0.07 s1, 2, 3details
#5ACCEPTED0.04 s2, 3details
#6ACCEPTED0.05 s2, 3details
#7ACCEPTED0.32 s2, 3details
#8--2, 3details
#9ACCEPTED0.06 s3details
#10--3details
#11--3details
#12--3details
#13ACCEPTED0.04 s3details
#14ACCEPTED0.04 s3details
#15--2, 3details
#16--3details

Code

# 2023 loppukilpailu C
import itertools
n = int(input())

merkit = [input() for _ in range(n)]

l = "".join(merkit)
a = l.count("a")
b = len(l) - a
merkkarit = [(k.count("a"), k.count("b")) for k in merkit]

total = 0
for i in range(n):
    for jonot in itertools.combinations(merkkarit, i):
        if sum(j[0] for j in jonot) * 2 == a and sum(j[1] for j in jonot) * 2 == b:
            total += 1
print(total)

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
4
b
bbb
baabaabaa
aab

correct output
0

user output
0

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
8
b
bb
baa
a
...

correct output
12

user output
12

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
16
a
a
a
b
...

correct output
5040

user output
5040

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
16
b
b
a
a
...

correct output
0

user output
0

Test 5

Group: 2, 3

Verdict: ACCEPTED

input
5
bab
bbaaabbabbbaababbbabbabaaabaaa...

correct output
0

user output
0

Test 6

Group: 2, 3

Verdict: ACCEPTED

input
10
baabbbababbbabbaaaabab
aabaaabbbab
aaaabbabab
aab
...

correct output
2

user output
2

Test 7

Group: 2, 3

Verdict: ACCEPTED

input
20
aaaab
baaab
babb
b
...

correct output
4332

user output
4332

Test 8

Group: 2, 3

Verdict:

input
100
a
b
a
b
...

correct output
433105324

user output
(empty)

Test 9

Group: 3

Verdict: ACCEPTED

input
10
aaaabbabbaabbaaaabbbbabaaaabab...

correct output
0

user output
0

Test 10

Group: 3

Verdict:

input
50
aaba
aaa
abbbbaaba
ababbabbabab
...

correct output
636733956

user output
(empty)

Test 11

Group: 3

Verdict:

input
100
ba
bbbaba
bbba
bb
...

correct output
264657218

user output
(empty)

Test 12

Group: 3

Verdict:

input
500
a
b
b
b
...

correct output
394045503

user output
(empty)

Test 13

Group: 3

Verdict: ACCEPTED

input
2
bbbababaaaabbbaaaaaaabbabbbaab...

correct output
2

user output
2

Test 14

Group: 3

Verdict: ACCEPTED

input
1
bbbaaaabaabbbababbbbbbbbabbbaa...

correct output
0

user output
0

Test 15

Group: 2, 3

Verdict:

input
100
a
a
a
a
...

correct output
538992043

user output
(empty)

Test 16

Group: 3

Verdict:

input
500
a
a
a
a
...

correct output
515561345

user output
(empty)