TopCoder

User's AC Ratio

NaN% (0/0)

Submission's AC Ratio

NaN% (0/0)

Tags

Description

Input Format

Output Format

Sample Input 1

2
1 1
514
5 2
1 2 3 5 8

Sample Output 1

0
2.72

Hints

Info: 本題輸出為浮點數,絕對或相對誤差 1e-6 以下視為正確

Problem Source

Migrated from old NTUJ.

hanhan0912

Subtasks

No. Testdata Range Score

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 1000 65536 131072