Submission #74855048

Source Code Expand

N = int(input())
L = list(map(int, input().split()))

ans = -1
for bit in range(1 << N):
    cnt = 0
    x = 0.5
    for i in range(N):
        if (bit >> i) & 1:
            nx = x + L[i]
        else:
            nx = x - L[i]
        if x * nx < 0:  # xとnxの符号が異なる場合
            cnt += 1
        x = nx
    ans = max(ans, cnt)
print(ans)

Submission Info

Submission Time
Task C - Sneaking Glances
User masatosis
Language Python (PyPy 3.11-v7.3.20)
Score 300
Code Size 377 Byte
Status AC
Exec Time 320 ms
Memory 108824 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 34
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All sample_01.txt, sample_02.txt, sample_03.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt, test_26.txt, test_27.txt, test_28.txt, test_29.txt, test_30.txt, test_31.txt
Case Name Status Exec Time Memory
sample_01.txt AC 53 ms 79716 KiB
sample_02.txt AC 53 ms 79884 KiB
sample_03.txt AC 289 ms 108672 KiB
test_01.txt AC 54 ms 79344 KiB
test_02.txt AC 53 ms 79672 KiB
test_03.txt AC 53 ms 79804 KiB
test_04.txt AC 61 ms 89504 KiB
test_05.txt AC 298 ms 108664 KiB
test_06.txt AC 157 ms 108604 KiB
test_07.txt AC 297 ms 108824 KiB
test_08.txt AC 54 ms 79624 KiB
test_09.txt AC 320 ms 108668 KiB
test_10.txt AC 59 ms 87740 KiB
test_11.txt AC 298 ms 108552 KiB
test_12.txt AC 306 ms 108520 KiB
test_13.txt AC 59 ms 87816 KiB
test_14.txt AC 60 ms 88284 KiB
test_15.txt AC 300 ms 108588 KiB
test_16.txt AC 155 ms 108556 KiB
test_17.txt AC 304 ms 108676 KiB
test_18.txt AC 312 ms 108672 KiB
test_19.txt AC 63 ms 89536 KiB
test_20.txt AC 60 ms 87564 KiB
test_21.txt AC 62 ms 88716 KiB
test_22.txt AC 61 ms 88548 KiB
test_23.txt AC 61 ms 88508 KiB
test_24.txt AC 60 ms 88688 KiB
test_25.txt AC 61 ms 88424 KiB
test_26.txt AC 61 ms 88556 KiB
test_27.txt AC 293 ms 108556 KiB
test_28.txt AC 295 ms 108604 KiB
test_29.txt AC 295 ms 108672 KiB
test_30.txt AC 295 ms 108676 KiB
test_31.txt AC 296 ms 108480 KiB