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AGAbhav Goelabhavgoel.hashnode.devAug 2, 2024 · 4 min read

Binary lifting - Kth ancestor queries

Binary Lifting(DP on trees). Many of you must have heard about binary lifting and must have been intimidated by the thought of it(even i was). Then i thought to learn about the concept and write a blog for the same making things easier for the commun...

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SRSam Russelllodsb.comOct 30, 2023 · 6 min read

Binary Ninja Workflows: Fixing branch obfuscation

If you've been reversing x86/x64 for a while then you will have definitely come across functions that end like this: We know two things here: The RET/RETN opcode in x86/x64 pops the stack and jumps to that address The PUSH before the return here i...

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RSRamandeep Singhramandeepsingh.hashnode.devSep 20, 2023 · 5 min read

Distance Queries - CSES

Hello everyone, I hope you are learning well, In this blog, we shall learn to solve yet another application of the lowest common ancestor of two nodes which is present in the tree algorithm section of the CSES problem set. So, Let's define the proble...

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RSRamandeep Singhramandeepsingh.hashnode.devSep 17, 2023 · 5 min read

Binary Lifting - Calculating the Lowest Common Ancestor

Hello everyone, I hope you are doing great, I am back with another blog in which I discussed a common category of problems involving trees, the problems seem tricky at first but solving these problems with the technique explained below becomes really...

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Trending tags this week

Binary lifting - Kth ancestor queries

Binary Ninja Workflows: Fixing branch obfuscation

Distance Queries - CSES

Binary Lifting - Calculating the Lowest Common Ancestor