結果
| 問題 |
No.2025 Select $k$-th Submultiset
|
| コンテスト | |
| ユーザー |
gew1fw
|
| 提出日時 | 2025-06-12 20:36:58 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 1,925 bytes |
| コンパイル時間 | 393 ms |
| コンパイル使用メモリ | 82,660 KB |
| 実行使用メモリ | 107,720 KB |
| 最終ジャッジ日時 | 2025-06-12 20:37:17 |
| 合計ジャッジ時間 | 5,909 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | TLE * 1 -- * 41 |
ソースコード
import sys
def combination(n, k):
if n < 0:
return 0
if k == 0:
return 1
if k == 1:
return n
if k == 2:
return n * (n - 1) // 2
if k == 3:
return n * (n - 1) * (n - 2) // 6
return 0
def count_tuples(c, r):
n = len(c)
if n == 0:
return 1 if r == 0 else 0
total = 0
for mask in range(1 << n):
bits = bin(mask).count('1')
s = 0
for j in range(n):
if (mask >> j) & 1:
s += (c[j] + 1)
if s > r:
continue
comb = combination(r - s + (n - 1), n - 1)
term = (-1) ** bits * comb
total += term
return total
def main():
input = sys.stdin.read().split()
ptr = 0
N = int(input[ptr])
ptr += 1
L = int(input[ptr])
ptr += 1
c = list(map(int, input[ptr:ptr+N]))
ptr += N
Q = int(input[ptr])
ptr += 1
queries = list(map(int, input[ptr:ptr+Q]))
ptr += Q
for k in queries:
total = count_tuples(c, L)
if total < k:
print(-1)
continue
a = [0] * (N + 1)
remaining = L
for i in range(1, N + 1):
current_c = c[i - 1]
max_a = min(current_c, remaining)
for a_candidate in range(max_a, -1, -1):
new_remaining = remaining - a_candidate
if i == N:
if new_remaining == 0:
cnt = 1
else:
cnt = 0
else:
cnt = count_tuples(c[i:], new_remaining)
if cnt >= k:
a[i] = a_candidate
remaining = new_remaining
break
else:
k -= cnt
else:
a[i] = 0
print(' '.join(map(str, a[1:N+1])))
if __name__ == '__main__':
main()
gew1fw