| Task: | Ruudukko | 
| Sender: | kaurip | 
| Submission time: | 2018-10-14 20:42:54 +0300 | 
| Language: | Python3 | 
| Status: | READY | 
| Result: | 14 | 
| group | verdict | score | 
|---|---|---|
| #1 | WRONG ANSWER | 0 | 
| #2 | ACCEPTED | 14 | 
| #3 | WRONG ANSWER | 0 | 
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | ACCEPTED | 0.05 s | 1 | details | 
| #2 | ACCEPTED | 0.04 s | 1 | details | 
| #3 | ACCEPTED | 0.04 s | 1 | details | 
| #4 | ACCEPTED | 0.05 s | 1 | details | 
| #5 | ACCEPTED | 0.05 s | 1 | details | 
| #6 | ACCEPTED | 0.05 s | 1 | details | 
| #7 | ACCEPTED | 0.05 s | 1 | details | 
| #8 | WRONG ANSWER | 0.05 s | 1 | details | 
| #9 | ACCEPTED | 0.04 s | 1 | details | 
| #10 | ACCEPTED | 0.04 s | 1 | details | 
| #11 | ACCEPTED | 0.05 s | 2 | details | 
| #12 | ACCEPTED | 0.04 s | 2 | details | 
| #13 | ACCEPTED | 0.05 s | 2 | details | 
| #14 | ACCEPTED | 0.05 s | 2 | details | 
| #15 | ACCEPTED | 0.04 s | 2 | details | 
| #16 | ACCEPTED | 0.05 s | 2 | details | 
| #17 | ACCEPTED | 0.05 s | 2 | details | 
| #18 | ACCEPTED | 0.05 s | 2 | details | 
| #19 | ACCEPTED | 0.04 s | 2 | details | 
| #20 | ACCEPTED | 0.05 s | 2 | details | 
| #21 | WRONG ANSWER | 0.04 s | 3 | details | 
| #22 | WRONG ANSWER | 0.05 s | 3 | details | 
| #23 | WRONG ANSWER | 0.04 s | 3 | details | 
| #24 | WRONG ANSWER | 0.05 s | 3 | details | 
| #25 | WRONG ANSWER | 0.04 s | 3 | details | 
| #26 | WRONG ANSWER | 0.06 s | 3 | details | 
| #27 | WRONG ANSWER | 0.05 s | 3 | details | 
| #28 | WRONG ANSWER | 0.05 s | 3 | details | 
| #29 | WRONG ANSWER | 0.05 s | 3 | details | 
| #30 | WRONG ANSWER | 0.05 s | 3 | details | 
Code
from math import factorial
def derange(num):
    if num == 0 or num == 1:
        return 1-num
    return num*(derange(num-1))+(-1)**num
def bways(numn,numb):
    return derange(numn-numb)*factorial(numn)/factorial(numn-numb)
n=int(input())
matchesa = 0
matchesb = 0
for x in range(0,n):
    # grid.append(list(input()))
    row = input()
    matchesa += row.count("A")
    matchesb += row.count("B")
# count = int(factorial(n)*factorial(n)*dfactorial(n-1)/dfactorial(n))
# count = factorial(n)**2*consmult(n*n-2*n, n)/consmult(n*n-n, n)
# count = factorial(n)*(factorial(n)-(1-(1/n+(n-2)/n*(n-2)/(n-1)))*n)
# count = factorial(n)*n/(n-1)
# count = factorial(n)**2*((n-1)/n)**n
# count = factorial(n)**2*factorial(n)/(n**(n))
count = int(factorial(n-matchesa)*derange(n-matchesb))%1000000007
print(count)Test details
Test 1
Group: 1
Verdict: ACCEPTED
| input | 
|---|
| 2 .. .. | 
| correct output | 
|---|
| 2 | 
| user output | 
|---|
| 2 | 
Test 2
Group: 1
Verdict: ACCEPTED
| input | 
|---|
| 2 .. A. | 
| correct output | 
|---|
| 1 | 
| user output | 
|---|
| 1 | 
Test 3
Group: 1
Verdict: ACCEPTED
| input | 
|---|
| 2 B. .A | 
| correct output | 
|---|
| 0 | 
| user output | 
|---|
| 0 | 
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: ACCEPTED
| input | 
|---|
| 5 ....A ..... ..... ..... ... | 
| correct output | 
|---|
| 264 | 
| user output | 
|---|
| 264 | 
Test 8
Group: 1
Verdict: WRONG ANSWER
| input | 
|---|
| 5 B.... ..... ..... .A.B. ... | 
| correct output | 
|---|
| 22 | 
| user output | 
|---|
| 24 | 
Test 9
Group: 1
Verdict: ACCEPTED
| input | 
|---|
| 5 B.A.. ....A ..... A.B.. ... | 
| correct output | 
|---|
| 2 | 
| user output | 
|---|
| 2 | 
Test 10
Group: 1
Verdict: ACCEPTED
| input | 
|---|
| 5 A.B.. BA... .B.A. ...BA ... | 
| correct output | 
|---|
| 1 | 
| user output | 
|---|
| 1 | 
Test 11
Group: 2
Verdict: ACCEPTED
| input | 
|---|
| 10 .......... .......... .......... .......... ... | 
| correct output | 
|---|
| 306442892 | 
| user output | 
|---|
| 306442892 | 
Test 12
Group: 2
Verdict: ACCEPTED
| input | 
|---|
| 50 ................................. | 
| correct output | 
|---|
| 694861480 | 
| user output | 
|---|
| 694861480 | 
Test 13
Group: 2
Verdict: ACCEPTED
| input | 
|---|
| 111 ................................. | 
| correct output | 
|---|
| 555319110 | 
| user output | 
|---|
| 555319110 | 
Test 14
Group: 2
Verdict: ACCEPTED
| input | 
|---|
| 222 ................................. | 
| correct output | 
|---|
| 108372237 | 
| user output | 
|---|
| 108372237 | 
Test 15
Group: 2
Verdict: ACCEPTED
| input | 
|---|
| 333 ................................. | 
| correct output | 
|---|
| 259107857 | 
| user output | 
|---|
| 259107857 | 
Test 16
Group: 2
Verdict: ACCEPTED
| input | 
|---|
| 444 ................................. | 
| correct output | 
|---|
| 19906314 | 
| user output | 
|---|
| 19906314 | 
Test 17
Group: 2
Verdict: ACCEPTED
| input | 
|---|
| 497 ................................. | 
| correct output | 
|---|
| 224313667 | 
| user output | 
|---|
| 224313667 | 
Test 18
Group: 2
Verdict: ACCEPTED
| input | 
|---|
| 498 ................................. | 
| correct output | 
|---|
| 929574601 | 
| user output | 
|---|
| 929574601 | 
Test 19
Group: 2
Verdict: ACCEPTED
| input | 
|---|
| 499 ................................. | 
| correct output | 
|---|
| 600226043 | 
| user output | 
|---|
| 600226043 | 
Test 20
Group: 2
Verdict: ACCEPTED
| input | 
|---|
| 500 ................................. | 
| correct output | 
|---|
| 198353194 | 
| user output | 
|---|
| 198353194 | 
Test 21
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 499 ................................. | 
| correct output | 
|---|
| 840243733 | 
| user output | 
|---|
| 267859514 | 
Test 22
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 499 ........................A........ | 
| correct output | 
|---|
| 4146290 | 
| user output | 
|---|
| 205527160 | 
Test 23
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 499 B.........A...................... | 
| correct output | 
|---|
| 173518884 | 
| user output | 
|---|
| 643042420 | 
Test 24
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 499 ...A....B........................ | 
| correct output | 
|---|
| 20044800 | 
| user output | 
|---|
| 9344160 | 
Test 25
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 499 AB............................... | 
| correct output | 
|---|
| 2 | 
| user output | 
|---|
| 0 | 
Test 26
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 500 ................................. | 
| correct output | 
|---|
| 121064146 | 
| user output | 
|---|
| 457510448 | 
Test 27
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 500 ................................. | 
| correct output | 
|---|
| 848435259 | 
| user output | 
|---|
| 600288075 | 
Test 28
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 500 .....B........A.................. | 
| correct output | 
|---|
| 296240911 | 
| user output | 
|---|
| 359610789 | 
Test 29
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 500 .A......B........................ | 
| correct output | 
|---|
| 2196 | 
| user output | 
|---|
| 1080 | 
Test 30
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 500 ...AB............................ | 
| correct output | 
|---|
| 1 | 
| user output | 
|---|
| 0 | 
