Submission #73187209

Source Code Expand

def powerset(A: list[int]) -> list[int]:
    ans = [0]
    for a in A:
        ans.extend([x + a for x in ans])
    return ans

N, S = [int(x) for x in input().split()]
A = [int(x) for x in input().split()]

B = powerset(A[N//2:])
A = powerset(A[:N//2])
A.sort()
B.sort(reverse=True)
l = 0
r = 0
ans = 0
for a in A:
    while r < len(B) and a + B[r] >= S:
        r += 1
    while l < len(B) and a + B[l] > S:
        l += 1
    ans += r - l
print(ans)

Submission Info

Submission Time
Task E - Assortment of Sweets
User tatyam
Language Python (PyPy 3.11-v7.3.20)
Score 433
Code Size 474 Byte
Status AC
Exec Time 271 ms
Memory 167676 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 433 / 433
Status
AC × 3
AC × 71
Set Name Test Cases
Sample sample01.txt, sample02.txt, sample03.txt
All sample01.txt, sample02.txt, sample03.txt, in01.txt, in02.txt, in03.txt, in04.txt, in05.txt, in06.txt, in07.txt, in08.txt, in09.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in28.txt, in29.txt, in30.txt, in31.txt, in32.txt, in33.txt, in34.txt, in35.txt, in36.txt, in37.txt, in38.txt, in39.txt, in40.txt, in41.txt, in42.txt, in43.txt, in44.txt, in45.txt, in46.txt, in47.txt, in48.txt, in49.txt, in50.txt, in51.txt, in52.txt, in53.txt, in54.txt, in55.txt, in56.txt, in57.txt, in58.txt, in59.txt, in60.txt, in61.txt, in62.txt, in63.txt, in64.txt, in65.txt, in66.txt, in67.txt, in68.txt
Case Name Status Exec Time Memory
in01.txt AC 51 ms 79800 KiB
in02.txt AC 51 ms 79684 KiB
in03.txt AC 51 ms 79384 KiB
in04.txt AC 52 ms 79628 KiB
in05.txt AC 55 ms 85452 KiB
in06.txt AC 146 ms 159484 KiB
in07.txt AC 244 ms 158340 KiB
in08.txt AC 212 ms 160556 KiB
in09.txt AC 90 ms 137840 KiB
in10.txt AC 134 ms 160104 KiB
in11.txt AC 50 ms 79716 KiB
in12.txt AC 237 ms 158328 KiB
in13.txt AC 136 ms 158820 KiB
in14.txt AC 239 ms 157048 KiB
in15.txt AC 235 ms 157168 KiB
in16.txt AC 250 ms 160752 KiB
in17.txt AC 147 ms 156884 KiB
in18.txt AC 136 ms 158832 KiB
in19.txt AC 163 ms 159776 KiB
in20.txt AC 154 ms 159896 KiB
in21.txt AC 155 ms 160876 KiB
in22.txt AC 240 ms 158440 KiB
in23.txt AC 164 ms 159728 KiB
in24.txt AC 176 ms 158480 KiB
in25.txt AC 52 ms 79852 KiB
in26.txt AC 55 ms 85916 KiB
in27.txt AC 64 ms 91984 KiB
in28.txt AC 51 ms 79868 KiB
in29.txt AC 52 ms 79728 KiB
in30.txt AC 230 ms 156864 KiB
in31.txt AC 232 ms 156788 KiB
in32.txt AC 51 ms 79680 KiB
in33.txt AC 52 ms 79680 KiB
in34.txt AC 51 ms 79864 KiB
in35.txt AC 51 ms 79800 KiB
in36.txt AC 88 ms 136872 KiB
in37.txt AC 261 ms 163336 KiB
in38.txt AC 241 ms 159424 KiB
in39.txt AC 263 ms 163068 KiB
in40.txt AC 255 ms 160860 KiB
in41.txt AC 243 ms 159844 KiB
in42.txt AC 271 ms 167248 KiB
in43.txt AC 265 ms 163680 KiB
in44.txt AC 55 ms 85660 KiB
in45.txt AC 233 ms 161028 KiB
in46.txt AC 242 ms 159900 KiB
in47.txt AC 269 ms 164132 KiB
in48.txt AC 270 ms 167676 KiB
in49.txt AC 265 ms 166116 KiB
in50.txt AC 266 ms 166376 KiB
in51.txt AC 167 ms 161456 KiB
in52.txt AC 265 ms 166252 KiB
in53.txt AC 51 ms 79680 KiB
in54.txt AC 51 ms 79728 KiB
in55.txt AC 51 ms 79640 KiB
in56.txt AC 51 ms 79800 KiB
in57.txt AC 148 ms 156964 KiB
in58.txt AC 148 ms 156964 KiB
in59.txt AC 86 ms 136812 KiB
in60.txt AC 85 ms 137232 KiB
in61.txt AC 52 ms 79980 KiB
in62.txt AC 51 ms 79404 KiB
in63.txt AC 51 ms 79904 KiB
in64.txt AC 51 ms 79648 KiB
in65.txt AC 52 ms 79404 KiB
in66.txt AC 51 ms 79628 KiB
in67.txt AC 51 ms 79880 KiB
in68.txt AC 51 ms 79388 KiB
sample01.txt AC 52 ms 79640 KiB
sample02.txt AC 52 ms 79628 KiB
sample03.txt AC 53 ms 79852 KiB