Towers of Hanoi using objective-c messages.

com_mycompany_myapp_NativeTowersOfHanoiImpl.m

#import "com_mycompany_myapp_NativeTowersOfHanoiImpl.h"

@implementation com_mycompany_myapp_NativeTowersOfHanoiImpl

-(void)move:(int)n startPole:(int)startPole endPole:(int)endPole
{
    if (n == 0) {
        return;
    }
    int intermediatePole = 6 - startPole - endPole;
    [self move:n-1 startPole:startPole endPole:intermediatePole];
    [self move:n-1 startPole:intermediatePole endPole:endPole];
    counter++;
}

-(int)runCalculation{
    counter = 0;
    [self move:30 startPole:1 endPole:3];
    return counter;
}

-(BOOL)isSupported{
    return YES;
}

@end