Author Archives: Stanislav_Panteleev

We can convert integer to string and then get chars, but more effective way is to use / and % operators, here is an example more effective example

example another example

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example

iterative approach recursive approach

ALL SUBSETS IS NOT ALL SUBARRAYS !!! Lets say we have array with nums 5 1 6, what will be all combinations of these nums ? It’s a tree, so we can traverse it and get all combinations, where we … Continue reading →

find sum find count find max abs difference between left and right find max diameter between left and right

let’s say we have binary search tree like this TRAVERSE PREORDER !!! CAN CLONE THE TREE !!! AND SEARCH IN TREE Another example TRAVERSE INORDER !!! GIVES A SORTED ORDER IN BINARY SEARCH TREE !!! TRAVERSE POSTORDER Algo.Java.DFS.Postorder Another post … Continue reading →