Refactor: Replace int with bool
Refactor: Replace int with bool
Refactor: Replace int with bool
Refactor: Replace int with bool
Refactor: Replace char with bool
Refactor: Replace int with bool
Refactor: Replace int with bool
Refactor: Replace int with bool
Refactor: Replace int with bool
Refactor: Replace int with bool
Refactor: Replace unused return value with void
Refactor: Replace int with bool
Refactor: Replace int with bool
Refactor: Remove unnecessary casts
Refactor: Replace int with bool
Refactor: Replace int with bool