需求
“Create a run-length encoding flowchart: initialize i and an empty result, read the current character, count matching consecutive characters, append the count and character, advance i, and return the result when the string ends.”
接著試試Add an example input of AAABB.Change the result step to write to a file.
這張圖裡有什麼
看懂背後的決策。
01
Choose index-based counting vs. pointer-based
02Decide output format
count+char
03
Handle empty input gracefully
When implementing basic lossless compression for text or binary data with repeated runs, such as in educational exercises or file compression introductions.