Gist file for Lidia from Incode

test

#import <Foundation/Foundation.h>
@interface SolutionClass : NSObject
-(NSArray*)uniqueEntriesIn:(NSArray*) list lessThan:(NSNumber*) maxValue;
-(NSDictionary<NSString*, NSNumber*>*)countClassesIn:(NSArray*)list;
@end

@implementation SolutionClass
-(NSArray*)uniqueEntriesIn:(NSArray*) list lessThan:(NSNumber*) maxValue
{
    NSMutableArray* arResult = [[NSMutableArray alloc] init];
    int count = (int) list.count;
    for(int i = 0; i < count; i++){
        if([list[i] isKindOfClass:[NSNumber class]]){
            
            NSNumber* item = (NSNumber*) list[i];
            
            if (![arResult containsObject:item]) {
                [arResult addObject:item];
            }
        }
    }
    
    NSSortDescriptor* order = [NSSortDescriptor sortDescriptorWithKey: @"self"
                                                                ascending: YES];
    
    NSArray* result = [arResult sortedArrayUsingDescriptors: [NSArray arrayWithObject: order]];
    
    
    return result;
}

-(NSDictionary<NSString*, NSNumber*>*)countClassesIn:(NSArray*)list{
    
    int count = (int) list.count;
    int countNumbers = 0;
    int countStrings = 0;
    for(int i = 0; i < count; i++){
        if([list[i] isKindOfClass:[NSNumber class]]){
            countNumbers = countNumbers + 1;
        }else if([list[i] isKindOfClass:[NSString class]]){
            countStrings = countStrings + 1;
        }
    }
    
    NSDictionary *results = @{
                           @"NSNumber": [NSNumber numberWithInteger:countNumbers],
                           @"NSString": [NSNumber numberWithInteger:countStrings],
                           };
    return results;
    
}
@end