1、极大值
NSArray *ary2 = [array1 copy];
NSNumber *max2=[ary2 valueForKeyPath:@"@max.floatValue"];
2、极小值
NSArray *ary2 = [array1 copy];
NSNumber *max2=[ary2 valueForKeyPath:@"@min.floatValue"];
NSArray *ary2 = [array1 copy];
NSNumber *max2=[ary2 valueForKeyPath:@"@max.floatValue"];
NSArray *ary2 = [array1 copy];
NSNumber *max2=[ary2 valueForKeyPath:@"@min.floatValue"];
本文标题:快速取出array的极值
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