結果
問題 |
No.2221 Set X
|
ユーザー |
![]() |
提出日時 | 2025-04-16 15:44:31 |
言語 | PyPy3 (7.3.15) |
結果 |
TLE
|
実行時間 | - |
コード長 | 1,732 bytes |
コンパイル時間 | 1,369 ms |
コンパイル使用メモリ | 81,780 KB |
実行使用メモリ | 97,880 KB |
最終ジャッジ日時 | 2025-04-16 15:47:18 |
合計ジャッジ時間 | 5,480 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 math def main(): import sys input = sys.stdin.read().split() n = int(input[0]) A = list(map(int, input[1:n+1])) A = [a for a in A if a >= 0] # Remove negative values if any (though problem states 0 <= A1 < ...) if not A: print(1) print(2) return max_A = A[-1] candidates = set() # Generate candidates from each A_i for a in A: if a == 0: continue sqrt_a = int(math.isqrt(a)) for k in range(1, sqrt_a + 1): x = a // k candidates.add(x) candidates.add(x + 1) candidates.add(x - 1) # Also handle the case where k is up to a//1 (but covered by sqrt) # Add edge cases candidates.add(a) candidates.add(a + 1) candidates.add(a - 1) # Add max_A + 1 and 1 to 1e5 as threshold candidates.add(max_A + 1) for x in range(1, min(10**5, max_A + 2)): candidates.add(x) # Remove invalid candidates (X must be positive) candidates = {x for x in candidates if x > 0} candidates.add(1) # Ensure X=1 is considered candidates.add(max_A) candidates.add(max_A + 1) # Now compute for each candidate X min_f = float('inf') best_x = None A_sorted = sorted(A) for x in sorted(candidates): prev = None count = 0 for a in A_sorted: d = a // x if d != prev: count += 1 prev = d 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 print(best_x) print(min_f) if __name__ == '__main__': main()