Submission #3044430

Source Code Expand

from math import ceil

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

# dpの右から(j+1)ビット目: 和がjである部分列が存在するならば1
dp = 1
for A in As:
    dp |= dp << A

# 和がjである部分列が存在する、(ΣA/2)以上で最小のjが答え
ans = ceil(sum(As) / 2)
dp >>= ans
while not (dp & 1):
    dp >>= 1
    ans += 1

print(ans)

Submission Info

Submission Time
Task C - Median Sum
User ZollingerPython3
Language Python (3.4.3)
Score 700
Code Size 395 Byte
Status AC
Exec Time 561 ms
Memory 5464 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 700 / 700
Status
AC × 2
AC × 42
Set Name Test Cases
Sample sample_01.txt, sample_02.txt
All sample_01.txt, sample_02.txt, sample_01.txt, sample_02.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_15.txt, subtask_1_16.txt, subtask_1_17.txt, subtask_1_18.txt, subtask_1_19.txt, subtask_1_20.txt, subtask_1_21.txt, subtask_1_22.txt, subtask_1_23.txt, subtask_1_24.txt, subtask_1_25.txt, subtask_1_26.txt, subtask_1_27.txt, subtask_1_28.txt, subtask_1_29.txt, subtask_1_30.txt, subtask_1_31.txt, subtask_1_32.txt, subtask_1_33.txt, subtask_1_34.txt, subtask_1_35.txt, subtask_1_36.txt, subtask_1_37.txt, subtask_1_38.txt
Case Name Status Exec Time Memory
sample_01.txt AC 17 ms 3060 KB
sample_02.txt AC 17 ms 2940 KB
subtask_1_01.txt AC 17 ms 2940 KB
subtask_1_02.txt AC 17 ms 3060 KB
subtask_1_03.txt AC 17 ms 3060 KB
subtask_1_04.txt AC 18 ms 3060 KB
subtask_1_05.txt AC 453 ms 5372 KB
subtask_1_06.txt AC 561 ms 5464 KB
subtask_1_07.txt AC 218 ms 4344 KB
subtask_1_08.txt AC 218 ms 4352 KB
subtask_1_09.txt AC 217 ms 4324 KB
subtask_1_10.txt AC 507 ms 5376 KB
subtask_1_11.txt AC 454 ms 5452 KB
subtask_1_12.txt AC 522 ms 5456 KB
subtask_1_13.txt AC 367 ms 4884 KB
subtask_1_14.txt AC 284 ms 4604 KB
subtask_1_15.txt AC 275 ms 4600 KB
subtask_1_16.txt AC 244 ms 4436 KB
subtask_1_17.txt AC 239 ms 4480 KB
subtask_1_18.txt AC 223 ms 4372 KB
subtask_1_19.txt AC 222 ms 4456 KB
subtask_1_20.txt AC 221 ms 4416 KB
subtask_1_21.txt AC 442 ms 5356 KB
subtask_1_22.txt AC 431 ms 5264 KB
subtask_1_23.txt AC 419 ms 5236 KB
subtask_1_24.txt AC 407 ms 5192 KB
subtask_1_25.txt AC 17 ms 3060 KB
subtask_1_26.txt AC 17 ms 2940 KB
subtask_1_27.txt AC 17 ms 2940 KB
subtask_1_28.txt AC 17 ms 2940 KB
subtask_1_29.txt AC 17 ms 3060 KB
subtask_1_30.txt AC 17 ms 2940 KB
subtask_1_31.txt AC 17 ms 3060 KB
subtask_1_32.txt AC 17 ms 3060 KB
subtask_1_33.txt AC 17 ms 3060 KB
subtask_1_34.txt AC 17 ms 3060 KB
subtask_1_35.txt AC 22 ms 3060 KB
subtask_1_36.txt AC 478 ms 5104 KB
subtask_1_37.txt AC 18 ms 3060 KB
subtask_1_38.txt AC 558 ms 5392 KB