結果
| 問題 |
No.2227 King Kraken's Attack
|
| コンテスト | |
| ユーザー |
lam6er
|
| 提出日時 | 2025-04-16 16:01:42 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
AC
|
| 実行時間 | 155 ms / 2,000 ms |
| コード長 | 2,566 bytes |
| コンパイル時間 | 718 ms |
| コンパイル使用メモリ | 81,920 KB |
| 実行使用メモリ | 75,136 KB |
| 最終ジャッジ日時 | 2025-04-16 16:05:37 |
| 合計ジャッジ時間 | 4,834 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 42 |
ソースコード
import math
def main():
H, W, L_A, L_B, K_A, K_B = map(int, input().split())
N = H * W
ans = float('inf')
# Case 2: All via rows and columns
case2 = ( (H + L_A - 1) // L_A ) + ( (W + L_B - 1) // L_B )
ans = min(ans, case2)
# Case 1: All via K selections
if K_A == 0 and K_B == 0:
pass # Impossible
else:
min_sum_case1 = float('inf')
if K_A > 0 or K_B > 0:
if K_A == 0:
B = (N + K_B - 1) // K_B
min_sum_case1 = B
elif K_B == 0:
A = (N + K_A - 1) // K_A
min_sum_case1 = A
else:
max_A = (N + K_A - 1) // K_A
max_A = min(max_A, 10**6)
for A in range(0, max_A + 1):
rem = N - A * K_A
if rem <= 0:
B = 0
else:
B = (rem + K_B - 1) // K_B
current_sum = A + B
if current_sum < min_sum_case1:
min_sum_case1 = current_sum
ans = min(ans, min_sum_case1)
# Case 3: Combination of K selections and rows/columns
A_max = (H + L_A - 1) // L_A
for A in range(0, A_max + 1):
R = min(A * L_A, H)
# Case 1: B*L_B <= W
denominator = K_B + R * L_B
B1 = None
if denominator == 0:
if K_B == 0 and R * L_B == 0:
if A * K_A >= N:
B1 = 0
else:
numerator = N - A * K_A
if numerator <= 0:
B1 = 0
else:
B1 = (numerator + denominator - 1) // denominator
B_max1 = W // L_B
if B1 > B_max1:
B1 = None
if B1 is not None:
B1 = max(B1, 0)
current_sum = A + B1
ans = min(ans, current_sum)
# Case 2: B*L_B >= W
required = N - R * W - A * K_A
B2 = None
if K_B == 0:
if required <= 0:
B2 = (W + L_B - 1) // L_B
else:
if required <= 0:
B2 = (W + L_B - 1) // L_B
else:
B_min_required = (required + K_B - 1) // K_B
B_min_col = (W + L_B - 1) // L_B
B2 = max(B_min_required, B_min_col)
if B2 is not None:
B2 = max(B2, 0)
current_sum = A + B2
ans = min(ans, current_sum)
print(ans)
if __name__ == "__main__":
main()
lam6er