Submission #855383

Source Code Expand

import collections

n, a = [int(x) for x in input().split()]
X = [int(x) - a for x in input().split()]
ans = 0
sums = collections.Counter([0, X[0]])
for x in X[1:]:
    sums2 = collections.Counter()
    for s, c in sums.items():
        sums2[s + x] += c
    sums += sums2

print(sums[0] - 1)

Submission Info

Submission Time
Task C - Tak and Cards
User p_km
Language Python (3.4.3)
Score 300
Code Size 306 Byte
Status AC
Exec Time 157 ms
Memory 3700 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 157 ms 3572 KB
example_02.txt AC 43 ms 3316 KB
example_03.txt AC 48 ms 3316 KB
example_04.txt AC 44 ms 3316 KB
subtask1_01.txt AC 46 ms 3316 KB
subtask1_02.txt AC 43 ms 3316 KB
subtask1_03.txt AC 45 ms 3316 KB
subtask1_04.txt AC 43 ms 3316 KB
subtask1_05.txt AC 44 ms 3316 KB
subtask1_06.txt AC 44 ms 3316 KB
subtask1_07.txt AC 43 ms 3316 KB
subtask1_08.txt AC 45 ms 3444 KB
subtask1_09.txt AC 45 ms 3316 KB
subtask2_01.txt AC 70 ms 3444 KB
subtask2_02.txt AC 82 ms 3700 KB
subtask2_03.txt AC 66 ms 3444 KB
subtask2_04.txt AC 43 ms 3316 KB
subtask2_05.txt AC 47 ms 3316 KB
subtask2_06.txt AC 47 ms 3316 KB
subtask2_07.txt AC 64 ms 3444 KB
subtask2_08.txt AC 67 ms 3572 KB
subtask2_09.txt AC 64 ms 3572 KB
subtask2_10.txt AC 70 ms 3572 KB
subtask2_11.txt AC 67 ms 3444 KB