[Verse 1] Every function call needs a place to go Stack frames building up, row by row Parameters and locals, return address too But when the depth grows, what are you gonna do Memory's finite, can't grow forever One more push might break the lever [Chorus] Check your depth before you leap Stack overflow makes systems weep Tail recursion, iteration switch Convert the calls, avoid the glitch Manage memory, control the flow Keep your stack frames nice and low [Verse 2] Base case first, that's where you start Then recursive calls tear stacks apart Each level deeper takes more space Until you're running out of place Transform the pattern, loop instead Save the stack space, use heap instead [Chorus] Check your depth before you leap Stack overflow makes systems weep Tail recursion, iteration switch Convert the calls, avoid the glitch Manage memory, control the flow Keep your stack frames nice and low [Bridge] Build your own stack structure Array or linked, your choice to make Push and pop with intention Every operation's yours to take Predictable allocation No surprises, no mistakes [Verse 3] Manual stacks give you control Define the size, define the goal Push the state when going down Pop it back when turning round Iterative solution's clean Best performance you've ever seen [Chorus] Check your depth before you leap Stack overflow makes systems weep Tail recursion, iteration switch Convert the calls, avoid the glitch Manage memory, control the flow Keep your stack frames nice and low [Outro] Stack management is the key To robust system harmony Control recursion, own your space Keep your memory in its place
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