TopCoder

User's AC Ratio

NaN% (0/0)

Submission's AC Ratio

NaN% (0/0)

Tags

Description

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Warn: 本題有 specialjudge

Input Format

Output Format

Sample Input 1

4 9
0.25 0.25 0.25 0.25
0.25 0.25 0.25 0.25
0.25 0.25 0.25 0.25
0.25 0.25 0.25 0.25

Sample Output 1

8.25

Hints

Problem Source

Migrated from old NTUJ.

dreamoon

Subtasks

No. Testdata Range Score

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 2000 65536 200