| Task: | Ruudukko | 
| Sender: | Kurns | 
| Submission time: | 2018-10-11 15:56:04 +0300 | 
| Language: | Python3 | 
| Status: | READY | 
| Result: | 0 | 
| group | verdict | score | 
|---|---|---|
| #1 | WRONG ANSWER | 0 | 
| #2 | TIME LIMIT EXCEEDED | 0 | 
| #3 | WRONG ANSWER | 0 | 
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | ACCEPTED | 0.04 s | 1 | details | 
| #2 | WRONG ANSWER | 0.04 s | 1 | details | 
| #3 | WRONG ANSWER | 0.06 s | 1 | details | 
| #4 | ACCEPTED | 0.04 s | 1 | details | 
| #5 | ACCEPTED | 0.06 s | 1 | details | 
| #6 | ACCEPTED | 0.15 s | 1 | details | 
| #7 | WRONG ANSWER | 0.05 s | 1 | details | 
| #8 | WRONG ANSWER | 0.06 s | 1 | details | 
| #9 | WRONG ANSWER | 0.04 s | 1 | details | 
| #10 | WRONG ANSWER | 0.05 s | 1 | details | 
| #11 | TIME LIMIT EXCEEDED | -- | 2 | details | 
| #12 | TIME LIMIT EXCEEDED | -- | 2 | details | 
| #13 | TIME LIMIT EXCEEDED | -- | 2 | details | 
| #14 | TIME LIMIT EXCEEDED | -- | 2 | details | 
| #15 | TIME LIMIT EXCEEDED | -- | 2 | details | 
| #16 | TIME LIMIT EXCEEDED | -- | 2 | details | 
| #17 | TIME LIMIT EXCEEDED | -- | 2 | details | 
| #18 | TIME LIMIT EXCEEDED | -- | 2 | details | 
| #19 | TIME LIMIT EXCEEDED | -- | 2 | details | 
| #20 | TIME LIMIT EXCEEDED | -- | 2 | details | 
| #21 | WRONG ANSWER | 0.17 s | 3 | details | 
| #22 | WRONG ANSWER | 0.17 s | 3 | details | 
| #23 | WRONG ANSWER | 0.17 s | 3 | details | 
| #24 | WRONG ANSWER | 0.17 s | 3 | details | 
| #25 | WRONG ANSWER | 0.19 s | 3 | details | 
| #26 | WRONG ANSWER | 0.17 s | 3 | details | 
| #27 | WRONG ANSWER | 0.17 s | 3 | details | 
| #28 | WRONG ANSWER | 0.16 s | 3 | details | 
| #29 | WRONG ANSWER | 0.16 s | 3 | details | 
| #30 | WRONG ANSWER | 0.16 s | 3 | details | 
Code
import sys
rivilkm = int(input())
ruudukko = []
muuteltava = []
mahdollisetAPaikat = []
onATaiB = False
for a in range(0, rivilkm):
    ruudukko.append([])
    muuteltava.append([])
    rivi = input()
    for i in rivi:
        if i == "A" or i == "B":
            onATaiB = True
        ruudukko[a].append(i)
        muuteltava[a].append(i)
        
#Alustus on ok      
def printtaa(arr):     
    for rivi in range(0, rivilkm):
        for sarake in range(0, rivilkm):
            print(arr[rivi][sarake], end = "")
        print("")
    print("")
#Tulostukset ok
deranDict = {0:1, 1:0}
def deran(k):
    if k in deranDict:
        return deranDict[k]
    
    ans = (k-1) * (deran(k-1) + deran(k-2)) 
    deranDict[k] = ans
    return ans
def fact(i):
    ans = 1
    for k in range(i, 0, -1):
        ans *= k
    return ans
if onATaiB:
    print(fact(rivilkm)*deran(rivilkm)%1000000007)
    sys.exit()
def canPlace(merkki, rivi, sarake):
    if ruudukko[rivi][sarake] != ".":
        return False
    for row in range(0, rivilkm):
        if muuteltava[row][sarake] == merkki: #Samassa sarakkeessa
            return False
    for column in range(0, rivilkm):
        if muuteltava[rivi][column] == merkki: #Samalla rivillä
            return False
    return True
def sijoita(merkki, rivi):
    global muuteltava
    
    #print("HAETAAN", merkki, rivi)
    
    if rivi == rivilkm:
        #print("ADDED TO LIST")
        toadd = [row[:] for row in muuteltava]
        mahdollisetAPaikat.append(toadd)
        return
        
    
    for col in range(0, rivilkm):
        #print("Ollaan menossa row =", rivi, "col=", col)
        if canPlace(merkki, rivi, col) == False and ruudukko[rivi][col] != merkki:
            continue
        if ruudukko[rivi][col] == merkki:
            sijoita(merkki, rivi+1)
        else:
            muuteltava[rivi][col] = merkki
            sijoita(merkki, rivi+1)
            muuteltava[rivi][col] = ruudukko[rivi][col]
mahdollisetRatkaisut = []            
def sijoitaB(merkki, rivi):
    global muuteltava
    
    #print("HAETAAN", merkki, rivi)
    
    if rivi == rivilkm:
        #print("ADDED TO LIST")
        toadd = [row[:] for row in muuteltava]
        mahdollisetRatkaisut.append(toadd)
        return
        
    
    for col in range(0, rivilkm):
        #print("Ollaan menossa row =", rivi, "col=", col)
        if canPlace(merkki, rivi, col) == False and ruudukko[rivi][col] != merkki:
            continue
        if muuteltava[rivi][col] == "A":
            continue
        if ruudukko[rivi][col] == merkki:
            sijoitaB(merkki, rivi+1)
        else:
            muuteltava[rivi][col] = merkki
            sijoitaB(merkki, rivi+1)
            muuteltava[rivi][col] = ruudukko[rivi][col]
sijoita("A", 0)
for i in mahdollisetAPaikat:
    muuteltava = i
    sijoitaB("B", 0)
    #printtaa(i)
print(len(mahdollisetRatkaisut))
#for i in mahdollisetRatkaisut:
    #printtaa(i)
#mahdollisetAPaikat OK
Test details
Test 1
Group: 1
Verdict: ACCEPTED
| input | 
|---|
| 2 .. .. | 
| correct output | 
|---|
| 2 | 
| user output | 
|---|
| 2 | 
Test 2
Group: 1
Verdict: WRONG ANSWER
| input | 
|---|
| 2 .. A. | 
| correct output | 
|---|
| 1 | 
| user output | 
|---|
| 2 | 
Test 3
Group: 1
Verdict: WRONG ANSWER
| input | 
|---|
| 2 B. .A | 
| correct output | 
|---|
| 0 | 
| user output | 
|---|
| 2 | 
Test 4
Group: 1
Verdict: ACCEPTED
| input | 
|---|
| 3 ... ... ... | 
| correct output | 
|---|
| 12 | 
| user output | 
|---|
| 12 | 
Test 5
Group: 1
Verdict: ACCEPTED
| input | 
|---|
| 4 .... .... .... .... | 
| correct output | 
|---|
| 216 | 
| user output | 
|---|
| 216 | 
Test 6
Group: 1
Verdict: ACCEPTED
| input | 
|---|
| 5 ..... ..... ..... ..... ... | 
| correct output | 
|---|
| 5280 | 
| user output | 
|---|
| 5280 | 
Test 7
Group: 1
Verdict: WRONG ANSWER
| input | 
|---|
| 5 ....A ..... ..... ..... ... | 
| correct output | 
|---|
| 264 | 
| user output | 
|---|
| 5280 | 
Test 8
Group: 1
Verdict: WRONG ANSWER
| input | 
|---|
| 5 B.... ..... ..... .A.B. ... | 
| correct output | 
|---|
| 22 | 
| user output | 
|---|
| 5280 | 
Test 9
Group: 1
Verdict: WRONG ANSWER
| input | 
|---|
| 5 B.A.. ....A ..... A.B.. ... | 
| correct output | 
|---|
| 2 | 
| user output | 
|---|
| 5280 | 
Test 10
Group: 1
Verdict: WRONG ANSWER
| input | 
|---|
| 5 A.B.. BA... .B.A. ...BA ... | 
| correct output | 
|---|
| 1 | 
| user output | 
|---|
| 5280 | 
Test 11
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 10 .......... .......... .......... .......... ... | 
| correct output | 
|---|
| 306442892 | 
| user output | 
|---|
| (empty) | 
Test 12
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 50 ................................. | 
| correct output | 
|---|
| 694861480 | 
| user output | 
|---|
| (empty) | 
Test 13
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 111 ................................. | 
| correct output | 
|---|
| 555319110 | 
| user output | 
|---|
| (empty) | 
Test 14
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 222 ................................. | 
| correct output | 
|---|
| 108372237 | 
| user output | 
|---|
| (empty) | 
Test 15
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 333 ................................. | 
| correct output | 
|---|
| 259107857 | 
| user output | 
|---|
| (empty) | 
Test 16
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 444 ................................. | 
| correct output | 
|---|
| 19906314 | 
| user output | 
|---|
| (empty) | 
Test 17
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 497 ................................. | 
| correct output | 
|---|
| 224313667 | 
| user output | 
|---|
| (empty) | 
Test 18
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 498 ................................. | 
| correct output | 
|---|
| 929574601 | 
| user output | 
|---|
| (empty) | 
Test 19
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 499 ................................. | 
| correct output | 
|---|
| 600226043 | 
| user output | 
|---|
| (empty) | 
Test 20
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 500 ................................. | 
| correct output | 
|---|
| 198353194 | 
| user output | 
|---|
| (empty) | 
Test 21
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 499 ................................. | 
| correct output | 
|---|
| 840243733 | 
| user output | 
|---|
| 600226043 | 
Test 22
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 499 ........................A........ | 
| correct output | 
|---|
| 4146290 | 
| user output | 
|---|
| 600226043 | 
Test 23
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 499 B.........A...................... | 
| correct output | 
|---|
| 173518884 | 
| user output | 
|---|
| 600226043 | 
Test 24
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 499 ...A....B........................ | 
| correct output | 
|---|
| 20044800 | 
| user output | 
|---|
| 600226043 | 
Test 25
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 499 AB............................... | 
| correct output | 
|---|
| 2 | 
| user output | 
|---|
| 600226043 | 
Test 26
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 500 ................................. | 
| correct output | 
|---|
| 121064146 | 
| user output | 
|---|
| 198353194 | 
Test 27
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 500 ................................. | 
| correct output | 
|---|
| 848435259 | 
| user output | 
|---|
| 198353194 | 
Test 28
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 500 .....B........A.................. | 
| correct output | 
|---|
| 296240911 | 
| user output | 
|---|
| 198353194 | 
Test 29
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 500 .A......B........................ | 
| correct output | 
|---|
| 2196 | 
| user output | 
|---|
| 198353194 | 
Test 30
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 500 ...AB............................ | 
| correct output | 
|---|
| 1 | 
| user output | 
|---|
| 198353194 | 
