Submission #855115


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#coding: utf-8                                                                                                                                              

N, A = map(int, raw_input().split())
x = map(int, raw_input().split())
count = 0
if N>16:
    print 0

else:
    for bi in xrange(1, 2**N):
        b = str(bin(bi))[2:].zfill(N)
        s = 0.0
        for (i, a) in enumerate(b):
            if a == '1':
                s += x[i]
        if s/b.count('1') == A:
            count += 1
            #print b                                                                                                                                        
    print count

Submission Info

Submission Time
Task C - Tak and Cards
User Kuni88
Language Python (2.7.6)
Score 200
Code Size 684 Byte
Status WA
Exec Time 478 ms
Memory 2692 KB

Judge Result

Set Name Sample Subtask1 All
Score / Max Score 0 / 0 200 / 200 0 / 100
Status
AC × 3
WA × 1
AC × 12
AC × 15
WA × 9
Set Name Test Cases
Sample example_01.txt, example_02.txt, example_03.txt, example_04.txt
Subtask1 example_01.txt, example_02.txt, example_03.txt, subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt
All example_01.txt, example_02.txt, example_03.txt, example_04.txt, subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask2_01.txt, subtask2_02.txt, subtask2_03.txt, subtask2_04.txt, subtask2_05.txt, subtask2_06.txt, subtask2_07.txt, subtask2_08.txt, subtask2_09.txt, subtask2_10.txt, subtask2_11.txt
Case Name Status Exec Time Memory
example_01.txt AC 26 ms 2692 KB
example_02.txt AC 25 ms 2568 KB
example_03.txt AC 26 ms 2568 KB
example_04.txt WA 24 ms 2568 KB
subtask1_01.txt AC 467 ms 2568 KB
subtask1_02.txt AC 478 ms 2568 KB
subtask1_03.txt AC 478 ms 2568 KB
subtask1_04.txt AC 459 ms 2568 KB
subtask1_05.txt AC 474 ms 2568 KB
subtask1_06.txt AC 25 ms 2568 KB
subtask1_07.txt AC 25 ms 2568 KB
subtask1_08.txt AC 472 ms 2568 KB
subtask1_09.txt AC 238 ms 2568 KB
subtask2_01.txt WA 25 ms 2568 KB
subtask2_02.txt WA 25 ms 2568 KB
subtask2_03.txt WA 24 ms 2568 KB
subtask2_04.txt WA 25 ms 2568 KB
subtask2_05.txt AC 25 ms 2568 KB
subtask2_06.txt AC 25 ms 2568 KB
subtask2_07.txt AC 25 ms 2568 KB
subtask2_08.txt WA 24 ms 2568 KB
subtask2_09.txt WA 25 ms 2568 KB
subtask2_10.txt WA 25 ms 2568 KB
subtask2_11.txt WA 25 ms 2568 KB