結果
| 問題 |
No.2221 Set X
|
| コンテスト | |
| ユーザー |
lam6er
|
| 提出日時 | 2025-04-16 15:38:57 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 1,867 bytes |
| コンパイル時間 | 446 ms |
| コンパイル使用メモリ | 81,972 KB |
| 実行使用メモリ | 91,844 KB |
| 最終ジャッジ日時 | 2025-04-16 15:44:17 |
| 合計ジャッジ時間 | 5,108 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
(要ログイン)
| 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 math
def main():
import sys
input = sys.stdin.read
data = input().split()
n = int(data[0])
a = list(map(int, data[1:n+1]))
max_a = a[-1] if n > 0 else 0
candidates = set()
# Add X from 1 to sqrt(max_a)
sqrt_max = int(math.isqrt(max_a)) + 1 if max_a > 0 else 1
for x in range(1, sqrt_max + 1):
candidates.add(x)
# Add candidates from each A_i
for ai in a:
if ai == 0:
continue
sqrt_ai = int(math.isqrt(ai)) + 1
for k in range(1, sqrt_ai + 1):
x1 = ai // k
candidates.add(x1)
candidates.add(x1 + 1)
if k > 1:
x3 = ai // (k - 1)
candidates.add(x3)
# Convert to sorted list and filter valid X (X >= 1)
candidates = [x for x in sorted(candidates) if x > 0]
min_f = float('inf')
best_x = None
# Evaluate each candidate X
for x in candidates:
prev = None
count = 0
for ai in a:
q = ai // x
if prev != q:
count += 1
prev = q
current_f = (x + 1) * count
if current_f < min_f or (current_f == min_f and x < best_x):
min_f = current_f
best_x = x
# Check X larger than all candidates (where all elements are 0)
if candidates:
max_candidate = max(candidates)
else:
max_candidate = 0
x_large = max_candidate + 1
# All elements are 0 when X > max_a
if max_a == 0:
count_large = 1
else:
count_large = 1 if x_large > max_a else 0
if count_large == 1:
f_large = (x_large + 1) * 1
if f_large < min_f or (f_large == min_f and x_large < best_x):
min_f = f_large
best_x = x_large
print(best_x)
print(min_f)
if __name__ == "__main__":
main()
lam6er