Remove Interval

flowchart TD
    S["<b>i · start</b><br/>result = []; rm_s, rm_e = toBeRemoved"]
      --> L{"<b>ii · next interval [s, e]?</b>"}
    L -->|"yes"| C{"<b>iii · no overlap?</b><br/>e ≤ rm_s or s ≥ rm_e"}
    C -->|"yes"| K["<b>iv · keep [s, e]</b>"]
    C -->|"no"| LR{"<b>v · left remnant?</b><br/>s &lt; rm_s"}
    LR -->|"yes"| PL["append [s, rm_s]"]
    LR -->|"no"| RR{"<b>vi · right remnant?</b><br/>e &gt; rm_e"}
    PL --> RR
    RR -->|"yes"| PR["append [rm_e, e]"]
    RR -->|"no"| L
    PR --> L
    K --> L
    L -->|"done"| O["<b>return</b> result"]
 
    classDef start fill:#f5efe1,stroke:#6a8a4f,stroke-width:2px,color:#1a1915;
    classDef decision fill:#fdecd3,stroke:#c2410c,stroke-width:2px,color:#1a1915;
    classDef action fill:#e7efd9,stroke:#587640,stroke-width:2px,color:#1a1915;
    class S start
    class L,C,LR,RR decision
    class K,PL,PR,O action