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http://www.spoj.com/problems/MAX_NUM/

By ashishranjan2828, history, 8 years ago, In English

problem is http://www.spoj.com/problems/MAX_NUM/

Actually i'm trying this problem for long time but ends up clueless.....

any kind of help..

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8 years ago, # |
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It is very easy if you get it. Simply search in the number for the first position i where n[i] < n[i+1] (n[i] is the digit in the ith position) and delete it. Just a simple greedy strategy, but be aware of the boundary cases.

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