結果
| 問題 |
No.2221 Set X
|
| コンテスト | |
| ユーザー |
gew1fw
|
| 提出日時 | 2025-06-12 16:13:52 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 1,634 bytes |
| コンパイル時間 | 180 ms |
| コンパイル使用メモリ | 82,860 KB |
| 実行使用メモリ | 62,464 KB |
| 最終ジャッジ日時 | 2025-06-12 16:14:08 |
| 合計ジャッジ時間 | 4,926 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 13 TLE * 1 -- * 26 |
ソースコード
import sys
def main():
N = int(sys.stdin.readline())
A = list(map(int, sys.stdin.readline().split()))
if N == 0:
print(0)
return
# Compute the maximum difference between consecutive elements
d_max = 0
if N > 1:
diffs = [A[i+1] - A[i] for i in range(N-1)]
d_max = max(diffs) if diffs else 0
# Generate candidate X values
candidates = set()
# Candidates around d_max
start = max(1, d_max - 2)
for x in range(start, d_max + 3):
candidates.add(x)
# Candidates from A_i divided by m (1, 2, 3)
for a in A:
for m in range(1, 4):
if m > a:
continue
div = a // m
candidates.add(div)
candidates.add(div + 1)
candidates.add(div - 1)
# Add X=1 and X=A_N + 1
candidates.add(1)
if N > 0:
candidates.add(A[-1] + 1)
# Process each candidate X
min_product = float('inf')
min_x = -1
for x in candidates:
if x <= 0:
continue
prev = None
count = 0
for a in A:
current = a // x
if prev is None:
prev = current
count = 1
else:
if current != prev:
count += 1
prev = current
product = (x + 1) * count
if product < min_product or (product == min_product and x < min_x):
min_product = product
min_x = x
print(min_x)
print(min_product)
if __name__ == '__main__':
main()
gew1fw