Submission #857434


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from collections import defaultdict
def solve():
	N,A = map(int,raw_input().split())
	x = map(int,raw_input().split())
	DP = [defaultdict(int) for i in xrange(N+1)]
	DP[0][0] = 1
	for i in xrange(N):
		for k,v in DP[i].iteritems():
			DP[i+1][k+x[i]-A] += v
			DP[i+1][k] += v
	print DP[N][0] - 1
solve()

Submission Info

Submission Time
Task C - Tak and Cards
User taktah
Language Python (2.7.6)
Score 300
Code Size 315 Byte
Status AC
Exec Time 50 ms
Memory 5112 KB

Judge Result

Set Name Sample Subtask1 All
Score / Max Score 0 / 0 200 / 200 100 / 100
Status
AC × 4
AC × 12
AC × 24
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 31 ms 2812 KB
example_02.txt AC 27 ms 2808 KB
example_03.txt AC 27 ms 2808 KB
example_04.txt AC 27 ms 2808 KB
subtask1_01.txt AC 27 ms 2808 KB
subtask1_02.txt AC 29 ms 2808 KB
subtask1_03.txt AC 27 ms 2808 KB
subtask1_04.txt AC 29 ms 2808 KB
subtask1_05.txt AC 27 ms 2808 KB
subtask1_06.txt AC 29 ms 2808 KB
subtask1_07.txt AC 28 ms 2808 KB
subtask1_08.txt AC 28 ms 2936 KB
subtask1_09.txt AC 28 ms 2936 KB
subtask2_01.txt AC 45 ms 4600 KB
subtask2_02.txt AC 50 ms 5112 KB
subtask2_03.txt AC 44 ms 4344 KB
subtask2_04.txt AC 28 ms 2808 KB
subtask2_05.txt AC 29 ms 2936 KB
subtask2_06.txt AC 31 ms 2936 KB
subtask2_07.txt AC 39 ms 4088 KB
subtask2_08.txt AC 39 ms 3960 KB
subtask2_09.txt AC 43 ms 3832 KB
subtask2_10.txt AC 43 ms 4472 KB
subtask2_11.txt AC 42 ms 4344 KB