How to generate random 6 digits number by a button?

Question

I tried random generate number from 1 to 100.How to change random 6 digits ?

Note : Numbers can not start with 0(zero)

Random from 1 to 100 codes

 #import <UIKit/UIKit.h>

 @interface RandomNumberGenViewController : UIViewController {

 int number;
 IBOutlet UILabel *label;

 }

 -(IBAction)generateNumber:(id)sender;

 @end



 @implementation RandomNumberGenViewController

 -(IBAction)generateNumber:(id)sender {

 number = (arc4random()%100)+1; //Generates Number from 1 to 100.
 NSString *string = [NSString stringWithFormat:@"%i", number];
 label.text = string

 }

Answer 1

A random number with 6 digits would be:

int number = arc4random_uniform(1000000);

But that gives a number from 0 to 999,999. It sounds like you want a random number from 100,000 to 999,999. So do this:

int number = arc4random_uniform(900000) + 100000;