INOI 2003, Sample Question Paper

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Indian National Olympiad in Informatics, 2003

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INOI-2003, Sample questions

Problem 3: Recurring decimals

Write a program that reads an integer n as input and prints out the decimal representation of 1/n. If 1/n is a recurring decimal, print out two copies of the recurring portion. You may assume that n is between 1 and 10000.

Here are some sample inputs and outputs for this problem:

Input: 2
Output: 0.500
Input: 3
Output: 0.33
Input: 5
Output: 0.200
Input: 7
Output: 0.142857142857
Input: 11
Output: 0.0909

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