KwickClips C · 42 sec · free
What should you write first?
Short answer. The base case.
In what order do frames pop?
In reverse.
Base case and frames
| Base case stops the calls |
| Each call gets a stack frame |
| No base case: stack overflow |
Remember
| Write the base case first |
| Frames pop in reverse |
My recursion crashed. Why? Two ideas. The base case stops the calls. Each call gets its own stack frame. With no base case, frames pile up until the stack overflows. Remember. Write the base case first. Frames pop in reverse.
This clip is from the full lesson: Recursion in C — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: Programming All levels C
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