結果
問題 |
No.2221 Set X
|
ユーザー |
![]() |
提出日時 | 2025-06-12 21:16:46 |
言語 | PyPy3 (7.3.15) |
結果 |
TLE
|
実行時間 | - |
コード長 | 1,350 bytes |
コンパイル時間 | 205 ms |
コンパイル使用メモリ | 81,928 KB |
実行使用メモリ | 96,540 KB |
最終ジャッジ日時 | 2025-06-12 21:17:32 |
合計ジャッジ時間 | 4,931 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 * 3 |
other | AC * 13 TLE * 1 -- * 26 |
ソースコード
def main(): import sys input = sys.stdin.read().split() N = int(input[0]) A = list(map(int, input[1:N+1])) # Generate all possible X candidates candidates = set() for i in range(N): # Include A[i] as candidate candidates.add(A[i]) # Include A[i] // k for k in 1..sqrt(A[i]) if A[i] == 0: continue max_k = int(A[i] ** 0.5) + 1 for k in range(1, max_k + 1): x = A[i] // k if x > 0: candidates.add(x) x = (A[i] + k) // k if x > 0: candidates.add(x) # Also include differences between consecutive A's for i in range(1, N): diff = A[i] - A[i-1] if diff > 0: candidates.add(diff) # Include X=1, even if not present candidates.add(1) min_f = float('inf') best_x = -1 for x in sorted(candidates): if x <= 0: continue # Compute C(x) prev = -1 cnt = 0 for a in A: b = a // x if b != prev: cnt += 1 prev = b f = (x + 1) * cnt if f < min_f or (f == min_f and x < best_x): min_f = f best_x = x print(best_x) print(min_f) if __name__ == "__main__": main()