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1072.Permutations
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1072.Permutations
Time Limit:1000MS Memory Limit:65535KB
Description
You are given n k-digit integers. You have to rearrange the digits in the integers so that the difference between the largest and the smallest number was minimum. Digits should be rearranged by the same rule in all integers.
Input
The input consists of several test cases. The first line contains integers n and k --- the number and digit capacity of numbers correspondingly (1≤n,k≤8). Next n lines contain k-digit positive integers. Leading zeroes are allowed both in the initial integers and the integers resulting from the rearranging of digits. Process to the end of file.
Output
Print a single number: the minimally possible difference between the largest and the smallest number after the digits are rearranged in all integers by the same rule.
Sample test
Sample input
6 4 5237 2753 7523 5723 5327 2537 3 3 010 909 012
Sample output
2700 3
Note
Tags
brute force
combinatorics
implementation
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GNU C++ 9.3.0
GNU C 9.3.0
Java 1.8
Python 3.8.4
Lua 5.3
GO 1.12.4
JS - (nodejs 10.19.0)
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Test Input
Test Output
6 4 5237 2753 7523 5723 5327 2537 3 3 010 909 012
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