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  • iOS 6

    #import <Foundation/Foundation.h>
    
    static NSString * const kName = @"name";
    static NSString * const kAge = @"age";
    static NSString * const kGender = @"gender";
    
    inline static NSMutableDictionary *CreateDict(NSString *name, NSInteger age,  BOOL isMale){
        NSMutableDictionary *dict = [[NSMutableDictionary alloc] initWithDictionary:@{kName:name,kAge :@(age),kGender :@(isMale)}];
        return dict;
    }
    
    
    
    int main(int argc, const char * argv[]) {
        @autoreleasepool {
            
            NSArray *array = @[CreateDict(@"王思聪", 27, YES),
                               CreateDict(@"范冰冰", 35, NO),
                               CreateDict(@"马云", 51, YES),
                               CreateDict(@"霍建华", 36, YES),
                               CreateDict(@"赵丽颖", 28, NO)];
                    //第1题 请按照年龄的升序排序输出,输出样式为:王思聪,男性,今年27岁
            //NSLog(@"%@",array);
            NSArray* array1 = [array sortedArrayUsingComparator:^NSComparisonResult(id obj1, id obj2) {
                
                if(obj1[kAge]==obj2[kAge])
                {
                    return  NSOrderedSame;
                }
                else if (obj1[kAge]>obj2[kAge])
                {
                    return NSOrderedDescending;
                }
                else
                {
                    return NSOrderedAscending;
                }
            }];
            
            
                  for(id obj in array1)
                        {
                            NSDictionary* dic = obj;
                            NSInteger a = [obj[kGender] integerValue];
                            if(a==YES)
                            {
                           
                            NSLog(@"%@ 男性 %@",dic[kName],dic[kAge]);
                            }
                            else
                            {
                                NSLog(@"%@ 女性 %@",dic[kName],dic[kAge]);
                            }
                        }
            
                    //第2题 请输入女性信息,输出样式为:范冰冰大美女,今年35岁
            NSLog(@"-----------------------------------");
            for(id obj in array1)
            {
                NSDictionary* dic = obj;
                NSInteger a = [obj[kGender] integerValue];
                if(a==NO)
                {
                    
                    NSLog(@"%@大美女 今年%@",dic[kName],dic[kAge]);
                }
                       }
            NSLog(@"-----------------------------------");
    
            
                    //第3题 请将“马云”的年龄改为41岁
            NSMutableArray* array2 = [NSMutableArray array];
            for(int i = 0;i<array1.count;i++)
            {
                NSMutableDictionary* mdic = array1[i];
                if([mdic[kName]isEqualTo:@"马云"])
                    {
                    
                       //字典替换
                        [mdic setValue:@41 forKey:kAge];
                        [array2 addObject:mdic];
                    }
                //[array2 addObject:mdic];
            }
           
            for(id obj in array2)
            {
                NSDictionary* dic = obj;
                NSInteger a = [obj[kGender] integerValue];
                if(a==YES)
                {
                    
                    NSLog(@"%@ 男性 %@",dic[kName],dic[kAge]);
                }
                else
                {
                    NSLog(@"%@ 女性 %@",dic[kName],dic[kAge]);
                }
            }
            
        }
        return 0;
    }
    
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  • 原文地址:https://www.cnblogs.com/hezhuangzhuang/p/5113990.html
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