Objective-C实现BF算法 (附完整源码)-白红宇

Objective-C实现BF算法 (附完整源码)

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发布时间：2023-02-17

本文共 1156 字，大约阅读时间需要 3 分钟。

Objective-C??BF??

BF???Brute Force Algorithm??????????????????????????????????????????????????????????????????????????????????Objective-C??BF????????

#import @interface StringMatcher : NSObject (NSArray
     
      )findPattern:(NSString)pattern inText:(NSString*)text;@end

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BF?????????????????????????????????????? 1. ?????????????????????????? 2. ??????????????????????? 3. ?????????????????????????? 4. ????????????????????????????????

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?????BF?????Objective-C???

#import @interface StringMatcher : NSObject (NSArray
     
      )findPattern:(NSString)pattern inText:(NSString*)text {NSArray
      
       * matches = [NSArray new];NSPredicate* predicate = [NSPredicate predicateWithFormat:@"SELF CONTAINS [c]"];//???? // ?????????????????// ????????????????????? return matches;} @end

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NSPredicate* patternPredicate = [NSPredicate predicateWithFormat:@"SELF CONTAINS [c]"]; NSManagedObjectContext* context = [NSManagedObjectContext mainQueue]; NSArray* matches = [context executeFetchRequest:patternPredicate]; // ????????matches??