_ICHIGO__KUROSAKI_'s blog

By _ICHIGO__KUROSAKI_, history, 4 weeks ago, In English,

I have solved 285C - Building Permutation using a greedy approach i.e sort all the values and then count the number of moves to make first element 1, the next to 2 and so on... But how can we come to the conclusion that this is always optimal and produces the minimum number of moves?

 
 
 
 
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