CSES - Leirikisa 9.12.2021 - Results
Submission details
Task:Ruudukko
Sender:okkokko
Submission time:2021-12-09 15:51:46 +0200
Language:Python3 (PyPy3)
Status:READY
Result:59
Feedback
groupverdictscore
#1ACCEPTED17
#2ACCEPTED42
#30
Test results
testverdicttimegroup
#1ACCEPTED0.04 s1details
#2ACCEPTED0.04 s1details
#3ACCEPTED0.04 s1details
#4ACCEPTED0.04 s1details
#5ACCEPTED0.04 s1details
#6ACCEPTED0.09 s2details
#7ACCEPTED0.12 s2details
#8ACCEPTED0.09 s2details
#9ACCEPTED0.10 s2details
#10ACCEPTED0.10 s2details
#11--3details
#12--3details
#13--3details
#14--3details
#15--3details

Code

n = int(input())
# 'A' <= 'B'
letters = tuple(input() for i in range(n))
routes = [[0] * (n) for _ in range(n)]
# routes[0] = [array[0][:i + 1] for i in range(n)]
for i in range(1, n):
routes[i][0] = 1
for j in range(1, n):
A = []
B = []
ups = 1 # b-a
ai = i
aj = j - 1
bi = i - 1
bj = j
while ups:
A.append(letters[ai][aj])
B.append(letters[bi][bj])
a = routes[ai][aj] # vasen
b = routes[bi][bj] # ylös
if a:
ai -= 1
else:
aj -= 1
if b:
bi -= 1
else:
bj -= 1
ups += b - a
for k in range(len(B) - 1, -1, -1):
if B[k] < A[k]:
routes[i][j] = 1
break
if B[k] > A[k]:
break
# print(routes)
A = []
ai = n - 1
aj = n - 1
while ai or aj:
A.append(letters[ai][aj])
a = routes[ai][aj] # vasen
if a:
ai -= 1
else:
aj -= 1
A.append(letters[0][0])
print(''.join(reversed(A)))

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
5
AAAAA
AAAAA
AAAAA
AAAAA
...

correct output
AAAAAAAAB

user output
AAAAAAAAB

Test 2

Group: 1

Verdict: ACCEPTED

input
5
ABABA
BABAB
ABABA
BABAB
...

correct output
ABABABABA

user output
ABABABABA

Test 3

Group: 1

Verdict: ACCEPTED

input
5
WRYIU
TWLKH
UJMJC
GRDJW
...

correct output
WRWJMDJWK

user output
WRWJMDJWK

Test 4

Group: 1

Verdict: ACCEPTED

input
5
RUEAE
ZYHHW
KDBPD
DXREW
...

correct output
RUEAEWDWX

user output
RUEAEWDWX

Test 5

Group: 1

Verdict: ACCEPTED

input
5
SRGYR
MYDOB
GNOVM
SZOZK
...

correct output
SMGNOOLTU

user output
SMGNOOLTU

Test 6

Group: 2

Verdict: ACCEPTED

input
100
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...

correct output
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...

user output
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...
Truncated

Test 7

Group: 2

Verdict: ACCEPTED

input
100
ABABABABABABABABABABABABABABAB...

correct output
ABABABABABABABABABABABABABABAB...

user output
ABABABABABABABABABABABABABABAB...
Truncated

Test 8

Group: 2

Verdict: ACCEPTED

input
100
FWOVNYKNMMQCNHJGUYPNEDXGVVGONC...

correct output
FWDBDECKBHKIACOVUCJGDJOHAYIBHO...

user output
FWDBDECKBHKIACOVUCJGDJOHAYIBHO...
Truncated

Test 9

Group: 2

Verdict: ACCEPTED

input
100
ETGCJABWKMAAEOQXWFFYMDJBMNKMQK...

correct output
EAARGLBRLHCDHHBPABHDAJBEEBHQBE...

user output
EAARGLBRLHCDHHBPABHDAJBEEBHQBE...
Truncated

Test 10

Group: 2

Verdict: ACCEPTED

input
100
GNWMLJNHSBAADUFCSGIZMWHZTVDHNR...

correct output
GEGOFRDKBNLLEUOPOEQCEFMTKANLNC...

user output
GEGOFRDKBNLLEUOPOEQCEFMTKANLNC...
Truncated

Test 11

Group: 3

Verdict:

input
500
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...

correct output
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...

user output
(empty)

Test 12

Group: 3

Verdict:

input
500
ABABABABABABABABABABABABABABAB...

correct output
ABABABABABABABABABABABABABABAB...

user output
(empty)

Test 13

Group: 3

Verdict:

input
500
HGADXTSFXYIEMDWMFIVQGHTACFUPYI...

correct output
HGADEJOGAKPJCRAHTABRSDLAVGBFAG...

user output
(empty)

Test 14

Group: 3

Verdict:

input
500
SBLNMAZESQVGWAPZYHQJMQTNGMEZWS...

correct output
SBLCAMDHILGIDRCIDUNMMAHFYCENOS...

user output
(empty)

Test 15

Group: 3

Verdict:

input
500
AOXYXRYFWPYWQDPWXQITLHQQUAYZAJ...

correct output
AOJLDOAPBGEKSGCNKBUMKAJCCWCOOD...

user output
(empty)