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How to solve this question-to find no. of paths(length<=k) between given pair of cities.
By code_fille, 10 years ago, In English

The problem statement can be found here-> (http://www.codechef.com/DBYZ15/problems/DBYZ15C).

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10 years ago, # |
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Matrix exponentiation

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    10 years ago, # ^ |
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    What about dfs?

    We will get TLE by that?

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10 years ago, # |
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http://stackoverflow.com/questions/18890570/matrix-power-sum

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