CSES - Datatähti 2025 alku - Results
Submission details
Task:Niitty
Sender:Finhullu
Submission time:2024-11-07 22:45:35 +0200
Language:Python3 (CPython3)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
#40
#50
#60
Test results
testverdicttimegroup
#10.06 s1, 2, 3, 4, 5, 6details
#20.02 s1, 2, 3, 4, 5, 6details
#30.06 s1, 2, 3, 4, 5, 6details
#40.02 s1, 2, 3, 4, 5, 6details
#50.02 s1, 2, 3, 4, 5, 6details
#60.41 s2, 3, 4, 5, 6details
#70.13 s2, 3, 4, 5, 6details
#80.46 s2, 3, 4, 5, 6details
#90.03 s2, 3, 4, 5, 6details
#10--3, 4, 5, 6details
#11--3, 4, 5, 6details
#12--3, 4, 5, 6details
#130.15 s3, 4, 5, 6details
#14--4, 5, 6details
#15--4, 5, 6details
#16--4, 5, 6details
#170.76 s4, 5, 6details
#18--5, 6details
#19--5, 6details
#20--5, 6details
#21--5, 6details
#22--6details
#23--6details
#24--6details
#25--6details

Code

n = int(input())
niitty = []
for i in range(n):
    niitty.append(list(input())) 
""" n = 8 """
k = 26
""" niitty = [
    ["A", "A", "A", "D", "A", "A", "A", "D"],
    ["A", "B", "A", "A", "A", "A", "A", "D"],
    ["A", "B", "A", "A", "A", "A", "A", "D"],
    ["A", "A", "A", "A", "A", "A", "A", "D"],
    ["A", "A", "A", "D", "A", "A", "A", "D"],
    ["A", "B", "A", "A", "A", "A", "A", "D"],
    ["A", "B", "A", "A", "A", "A", "A", "D"],
    ["A", "A", "A", "A", "A", "A", "A", "D"]] """
""" niitty = [
    ["A", "A", "A", "D"],
    ["A", "B", "A", "A"],
    ["A", "B", "A", "A"],
    ["A", "A", "A", "A"]
] """
sumtaul = [[0]*k for x in range(n**2)]
for y in range(n):
    for x in range(n):
        kirjain = niitty[y][x]
        sumtaul[y*n+x][ord(kirjain.lower())-97] += 1
        if x > 0 or y > 0:
            for z in range(k):
                if x > 0:
                    sumtaul[y*n+x][z] += sumtaul[y*n+x-1][z]
                if y > 0:
                    sumtaul[y*n+x][z] += sumtaul[y*n+x-n][z]
                if x > 0 and y > 0:
                    sumtaul[y*n+x][z] -= sumtaul[y*n+x-n-1][z]
kirjainten_maara = len([x for x in sumtaul[-1] if x != 0])


#s=[0,4,0,4]
def notvalid(s):
    if s[3]<1:
        return True
    valids = []
    paikka = sumtaul[(s[3]-1)*n+s[1]-1]
    vasenala = sumtaul[(s[3]-1)*n+s[0]-1] if s[0]>=1 else [0]*k
    oikeayla = sumtaul[(s[2]-1)*n+s[1]-1] if s[2]>=1 else [0]*k
    vasenyla = sumtaul[(s[2]-1)*n+s[0]-1] if s[2]>=1 and s[0]>=1 else [0]*k
    for x in range(k):
        valids.append(paikka[x]-vasenala[x]-oikeayla[x]+vasenyla[x])
    if len([x for x in valids if x > 0]) == kirjainten_maara:
        return False
    else:
        return True

tot = 0    
l = 0

def permute(s,dep, level = 0):
    #print(level*"    "+str(s))
    global tot
    global l
    if notvalid(s):
        l+=1
        return 1
    tot += 1
    i=1
    while i <= n:
        if dep == 1:
            s[0]+=i
            if permute(s,2, level=level+1) == 1:
                dep+=1
                s[0]-=i
                i=0
            s[0]-=i
        elif dep == 2:
            s[1]-=i
            if permute(s,3, level=level+1) == 1:
                dep+=1
                s[1]+=i
                i=0
            s[1]+=i
        elif dep == 3:
            s[2]+=i
            if permute(s,4, level=level+1) == 1:
                dep+=1
                s[2]-=i
                i=0
            s[2]-=i
        elif dep == 4:
            s[3]-=i
            if permute(s,4, level=level+1) in [1,2]:
                s[3]+=i
                return 2
            s[3]+=i
        i+=1
    return 0
permute([0,n,0,n],1)
print(tot,l)

Test details

Test 1

Group: 1, 2, 3, 4, 5, 6

Verdict:

input
10
TNCTNPNTPC
NPPNTNTPTP
NTNTTCNTCT
NPCPNPPNTT
...

correct output
2035

user output
1995 486

Test 2

Group: 1, 2, 3, 4, 5, 6

Verdict:

input
10
NFWQLWNWYS
DZOQJVXFPJ
CNHXPXMCQD
QRTBVNLTQC
...

correct output
9

user output
9 15

Test 3

Group: 1, 2, 3, 4, 5, 6

Verdict:

input
10
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
...

correct output
3025

user output
2981 606

Test 4

Group: 1, 2, 3, 4, 5, 6

Verdict:

input
10
FFFFFFFFFF
FFFFFCFFFF
FFFFFFJFFF
FFFFFFFFFF
...

correct output
12

user output
12 13

Test 5

Group: 1, 2, 3, 4, 5, 6

Verdict:

input
1
X

correct output
1

user output
2 3

Test 6

Group: 2, 3, 4, 5, 6

Verdict:

input
20
BBCBUBOUOBBCUUBBCOUO
BOUCOOCUBCOOOCOBOCUO
UCCUUUOBCOCBCBUBUCOO
BUOBUCUCUOOBCOOUBUOO
...

correct output
38724

user output
38535 4143

Test 7

Group: 2, 3, 4, 5, 6

Verdict:

input
20
CBGLSHGZHYZDWBNDBJUG
SMUXOJQYPXZDTMJUIWOJ
XIDSTNBGHKRKOVUVMINB
MTQGCFRUHQKALXRNCQGS
...

correct output
8334

user output
8334 1439

Test 8

Group: 2, 3, 4, 5, 6

Verdict:

input
20
KKKKKKKKKKKKKKKKKKKK
KKKKKKKKKKKKKKKKKKKK
KKKKKKKKKKKKKKKKKKKK
KKKKKKKKKKKKKKKKKKKK
...

correct output
44100

user output
43911 4411

Test 9

Group: 2, 3, 4, 5, 6

Verdict:

input
20
AAAAAAAAXAAAAAAAAAAA
AAAWAAAAAAAAAAAAAOAA
AAAAAAAAAAAAAAAAAPAA
AAAAAAAAKAAAAAAAAAAZ
...

correct output
18

user output
18 19

Test 10

Group: 3, 4, 5, 6

Verdict:

input
50
GRGREEEGREGXRXXEGXXREXGRRRGRRR...

correct output
1584665

user output
(empty)

Test 11

Group: 3, 4, 5, 6

Verdict:

input
50
AITIISJUHCCRZNKSDCNQKYSQRINFWJ...

correct output
1077746

user output
(empty)

Test 12

Group: 3, 4, 5, 6

Verdict:

input
50
OOOOOOOOOOOOOOOOOOOOOOOOOOOOOO...

correct output
1625625

user output
(empty)

Test 13

Group: 3, 4, 5, 6

Verdict:

input
50
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF...

correct output
1680

user output
1680 271

Test 14

Group: 4, 5, 6

Verdict:

input
100
NNCMDCDDCCNNNDNCMMNCDCDCCDCDNM...

correct output
25325366

user output
(empty)

Test 15

Group: 4, 5, 6

Verdict:

input
100
LIMQQIHASECROEVILNVULGWZJPPKOG...

correct output
22342463

user output
(empty)

Test 16

Group: 4, 5, 6

Verdict:

input
100
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT...

correct output
25502500

user output
(empty)

Test 17

Group: 4, 5, 6

Verdict:

input
100
QXQQQQQQQQQQQQQQQQQQQQQQQQQQQQ...

correct output
25650

user output
25650 2395

Test 18

Group: 5, 6

Verdict:

input
200
NAANANMMKNKKAKMKMAKNKMNKMMNNAA...

correct output
403292767

user output
(empty)

Test 19

Group: 5, 6

Verdict:

input
200
OMYWATTLURKQPTKEFMGGYAOONXWVSC...

correct output
388111321

user output
(empty)

Test 20

Group: 5, 6

Verdict:

input
200
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC...

correct output
404010000

user output
(empty)

Test 21

Group: 5, 6

Verdict:

input
200
LLLLLLLLLLLLLLLLLHLLLLLLLLLLLL...

correct output
14159445

user output
(empty)

Test 22

Group: 6

Verdict:

input
500
VVHWVUHVHUWWWVUUUWVUUHUUWHWUVW...

correct output
15683003812

user output
(empty)

Test 23

Group: 6

Verdict:

input
500
OIMZGEQSBMBDSDXSWRFNKSGFEBBTJE...

correct output
15575906951

user output
(empty)

Test 24

Group: 6

Verdict:

input
500
IIIIIIIIIIIIIIIIIIIIIIIIIIIIII...

correct output
15687562500

user output
(empty)

Test 25

Group: 6

Verdict:

input
500
WWWWWWWWWWWWWWWWWWWWWWWWWWWWWW...

correct output
3058970930

user output
(empty)