結果
| 問題 |
No.1134 Deviation Score Ⅱ
|
| ユーザー |
gew1fw
|
| 提出日時 | 2025-06-12 20:46:51 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 797 bytes |
| コンパイル時間 | 416 ms |
| コンパイル使用メモリ | 82,056 KB |
| 実行使用メモリ | 84,056 KB |
| 最終ジャッジ日時 | 2025-06-12 20:47:13 |
| 合計ジャッジ時間 | 2,585 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 13 WA * 14 |
ソースコード
import math
n = int(input())
x = list(map(int, input().split()))
m = int(input())
# Check if all elements are equal
first = x[0]
all_equal = True
for xi in x:
if xi != first:
all_equal = False
break
if all_equal:
print(50)
else:
# Compute average
avg = sum(x) / n
# Compute sum of squared differences
sum_sq = 0.0
for xi in x:
diff = xi - avg
sum_sq += diff * diff
variance = sum_sq / n
std_dev = math.sqrt(variance)
# Get x_m
x_m = x[m-1]
diff_x = x_m - avg
# Compute t
t = (10 * diff_x) / std_dev
if diff_x > 0:
deviation = 50 + t
else:
deviation = 50 - t
# Floor the deviation and print as integer
result = math.floor(deviation)
print(int(result))
gew1fw