CSES - Datatähti 2025 alku - Results
Submission details
Task:Kortit II
Sender:jokeri2222
Submission time:2024-11-03 12:15:18 +0200
Language:Python3 (PyPy3)
Status:READY
Result:8
Feedback
groupverdictscore
#1ACCEPTED3
#2ACCEPTED5
#30
#40
#50
Test results
testverdicttimegroup
#1ACCEPTED0.04 s1, 2, 3, 4, 5details
#2ACCEPTED0.36 s2, 3, 4, 5details
#3--3, 4, 5details
#4--4, 5details
#5--5details
#6--5details

Code

import itertools
import math

t=int(input())
vals = []
for test in range(t):
    vals.append(map(int, input().split()))

for test in range(t):
    n, a, b = vals[test]
    if a+b==1 or a+b>n:
        print(0)
        continue
    possibles = 0
    for draws in itertools.combinations(range(n), n-a-b):
        pairs = list(range(n))

        for draw in draws[::-1]:
            pairs.pop(draw)

        for perm in itertools.permutations(pairs, a+b):
            A = B = 0
            for pair1, pair2 in zip(pairs, perm):
                if pair2 - pair1 < 0:
                    A += 1
                elif pair2 - pair1 > 0:
                    B += 1
            if A == a and B == b:
                possibles += 1




    possibles = possibles * math.factorial(n) % 1000000007
    print(possibles)

Test details

Test 1

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
54
4 4 0
3 1 3
3 2 2
4 0 4
...

correct output
0
0
0
0
0
...

user output
0
0
0
0
0
...

Test 2

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
284
6 1 0
5 0 2
7 1 5
7 7 5
...

correct output
0
0
35280
0
36720
...

user output
0
0
35280
0
36720
...

Test 3

Group: 3, 4, 5

Verdict:

input
841
19 3 12
19 19 13
19 7 13
20 11 15
...

correct output
40291066
0
0
0
0
...

user output
(empty)

Test 4

Group: 4, 5

Verdict:

input
1000
15 12 6
7 1 6
44 4 26
6 6 5
...

correct output
0
5040
494558320
0
340694548
...

user output
(empty)

Test 5

Group: 5

Verdict:

input
1000
892 638 599
966 429 655
1353 576 1140
1403 381 910
...

correct output
0
0
0
249098285
0
...

user output
(empty)

Test 6

Group: 5

Verdict:

input
1000
2000 1107 508
2000 1372 249
2000 588 65
2000 1739 78
...

correct output
750840601
678722180
744501884
159164549
868115056
...

user output
(empty)