Contest Duration: - (local time) (120 minutes) Back to Home

Submission #18578079

Source Code Expand

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```import sys
import numpy as np
import numba
from numba import njit, b1, i4, i8, f8

MOD = 1_000_000_007

return np.fromstring(read().decode(), dtype=dtype, sep=' ')

return np.fromstring(readline().decode(), dtype=dtype, sep=' ')

@njit
def mpow(a, n):
p = 1
while n:
if n & 1:
p = p * a % MOD
a = a * a % MOD
n >>= 1
return p

@njit((i8, i8, i8[:]), cache=True)
def main(N, M, A):
N, K = M + N, A.sum() + N
# Kis small
if not 0 <= K <= N:
return 0
num, den = 1, 1
for i in range(K):
num = num * (N - i) % MOD
den = den * (i + 1) % MOD
return num * mpow(den, MOD - 2) % MOD

N, M = from_readline()

print(main(N, M, A))```

Submission Info

Submission Time 2020-12-05 21:19:08+0900 D - Binomial Coefficient is Fun maspy Python (3.8.2) 600 954 Byte AC 568 ms 106628 KB

Judge Result

Set Name All Sample
Score / Max Score 600 / 600 0 / 0
Status
 AC × 72
 AC × 2
Set Name Test Cases
All sample_01.txt, sample_02.txt, testcase_1.txt, testcase_10.txt, testcase_11.txt, testcase_12.txt, testcase_13.txt, testcase_14.txt, testcase_15.txt, testcase_16.txt, testcase_17.txt, testcase_18.txt, testcase_19.txt, testcase_2.txt, testcase_20.txt, testcase_21.txt, testcase_22.txt, testcase_23.txt, testcase_24.txt, testcase_25.txt, testcase_26.txt, testcase_27.txt, testcase_28.txt, testcase_29.txt, testcase_3.txt, testcase_30.txt, testcase_31.txt, testcase_32.txt, testcase_33.txt, testcase_34.txt, testcase_35.txt, testcase_36.txt, testcase_37.txt, testcase_38.txt, testcase_39.txt, testcase_4.txt, testcase_40.txt, testcase_41.txt, testcase_42.txt, testcase_43.txt, testcase_44.txt, testcase_45.txt, testcase_46.txt, testcase_47.txt, testcase_48.txt, testcase_49.txt, testcase_5.txt, testcase_50.txt, testcase_51.txt, testcase_52.txt, testcase_53.txt, testcase_54.txt, testcase_55.txt, testcase_56.txt, testcase_57.txt, testcase_58.txt, testcase_59.txt, testcase_6.txt, testcase_60.txt, testcase_61.txt, testcase_62.txt, testcase_63.txt, testcase_64.txt, testcase_65.txt, testcase_66.txt, testcase_67.txt, testcase_68.txt, testcase_69.txt, testcase_7.txt, testcase_70.txt, testcase_8.txt, testcase_9.txt
Sample sample_01.txt, sample_02.txt
Case Name Status Exec Time Memory
sample_01.txt AC 538 ms 106416 KB
sample_02.txt AC 519 ms 105788 KB
testcase_1.txt AC 544 ms 105768 KB
testcase_10.txt AC 523 ms 105272 KB
testcase_11.txt AC 540 ms 105780 KB
testcase_12.txt AC 543 ms 105752 KB
testcase_13.txt AC 530 ms 105988 KB
testcase_14.txt AC 537 ms 105684 KB
testcase_15.txt AC 532 ms 106500 KB
testcase_16.txt AC 527 ms 105808 KB
testcase_17.txt AC 533 ms 105672 KB
testcase_18.txt AC 531 ms 105744 KB
testcase_19.txt AC 536 ms 105996 KB
testcase_2.txt AC 528 ms 105244 KB
testcase_20.txt AC 534 ms 105808 KB
testcase_21.txt AC 536 ms 106404 KB
testcase_22.txt AC 531 ms 105748 KB
testcase_23.txt AC 531 ms 105668 KB
testcase_24.txt AC 555 ms 106024 KB
testcase_25.txt AC 533 ms 105680 KB
testcase_26.txt AC 535 ms 105764 KB
testcase_27.txt AC 537 ms 105764 KB
testcase_28.txt AC 536 ms 105984 KB
testcase_29.txt AC 532 ms 105328 KB
testcase_3.txt AC 522 ms 106052 KB
testcase_30.txt AC 535 ms 105768 KB
testcase_31.txt AC 534 ms 105836 KB
testcase_32.txt AC 535 ms 106444 KB
testcase_33.txt AC 530 ms 105784 KB
testcase_34.txt AC 535 ms 105808 KB
testcase_35.txt AC 530 ms 106588 KB
testcase_36.txt AC 534 ms 105800 KB
testcase_37.txt AC 539 ms 106584 KB
testcase_38.txt AC 535 ms 105752 KB
testcase_39.txt AC 553 ms 105780 KB
testcase_4.txt AC 520 ms 106048 KB
testcase_40.txt AC 538 ms 106016 KB
testcase_41.txt AC 531 ms 106448 KB
testcase_42.txt AC 536 ms 105776 KB
testcase_43.txt AC 529 ms 105256 KB
testcase_44.txt AC 537 ms 105248 KB
testcase_45.txt AC 535 ms 106516 KB
testcase_46.txt AC 531 ms 105804 KB
testcase_47.txt AC 533 ms 106428 KB
testcase_48.txt AC 531 ms 105740 KB
testcase_49.txt AC 534 ms 106440 KB
testcase_5.txt AC 521 ms 105356 KB
testcase_50.txt AC 536 ms 106592 KB
testcase_51.txt AC 533 ms 105788 KB
testcase_52.txt AC 532 ms 106628 KB
testcase_53.txt AC 560 ms 105748 KB
testcase_54.txt AC 524 ms 106496 KB
testcase_55.txt AC 524 ms 105764 KB
testcase_56.txt AC 527 ms 106512 KB
testcase_57.txt AC 522 ms 105352 KB
testcase_58.txt AC 521 ms 105784 KB
testcase_59.txt AC 520 ms 106500 KB
testcase_6.txt AC 520 ms 105252 KB
testcase_60.txt AC 520 ms 106044 KB
testcase_61.txt AC 521 ms 105684 KB
testcase_62.txt AC 526 ms 105296 KB
testcase_63.txt AC 520 ms 105784 KB
testcase_64.txt AC 532 ms 105752 KB
testcase_65.txt AC 533 ms 106424 KB
testcase_66.txt AC 562 ms 105364 KB
testcase_67.txt AC 568 ms 105832 KB
testcase_68.txt AC 564 ms 105860 KB
testcase_69.txt AC 560 ms 106000 KB
testcase_7.txt AC 553 ms 105616 KB
testcase_70.txt AC 530 ms 106508 KB
testcase_8.txt AC 547 ms 105772 KB
testcase_9.txt AC 560 ms 105784 KB