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User's AC Ratio

NaN% (0/0)

Submission's AC Ratio

NaN% (0/0)

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Description

The PDF version of this problem can be downloaded here.

Input Format

Output Format

Sample Input 1

2 3
8 4
42 42

Sample Output 1

2
0
498467348

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Problem Source

Migrated from old NTUJ.

Latin America Regionals 2012

Subtasks

No.	Testdata Range	Score

Testdata and Limits

No.	Time Limit (ms)	Memory Limit (VSS, KiB)	Output Limit (KiB)	Subtasks
0	2000	65536	20000

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