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Note: This Method is only applicable for the question Count ways to N’th Stair(Order does not matter). Output Number of ways when order of steps does not matter is : 3 Following is C++ implementation of the above idea. So we can use the function for Fibonacci numbers to find the value of ways(n). ways(1) = fib(2) = 1įor a better understanding, let’s refer to the recursion tree below -: Input: N = 4 The above expression is actually the expression for Fibonacci numbers, but there is one thing to notice, the value of ways(n) is equal to fibonacci(n+1). Therefore the expression for such an approach comes out to be : ways(n) = ways(n-1) + ways(n-2) Hence, for each stair n, we try to find out the number of ways to reach n-1 th stair and n-2 th stair and add them to give the answer for the n th stair. The person can reach n th stair from either (n-1) th stair or from (n-2) th stair. Method 1: The first method uses the technique of recursion to solve this problem.Īpproach: We can easily find the recursive nature in the above problem. Sort a nearly sorted (or K sorted) array.k largest(or smallest) elements in an array.K’th Smallest/Largest Element using STL.K’th Smallest/Largest Element in Unsorted Array | Set 3 (Worst Case Linear Time).K’th Smallest/Largest Element in Unsorted Array | Set 2 (Expected Linear Time).K’th Smallest/Largest Element in Unsorted Array | Set 1.Reverse an array in groups of given size.Minimum Number of Platforms Required for a Railway/Bus Station.K Centers Problem | Set 1 (Greedy Approximate Algorithm).Greedy Algorithm to find Minimum number of Coins.Find minimum number of coins that make a given value.Bell Numbers (Number of ways to Partition a Set).Count ways to reach the nth stair using step 1, 2 or 3.ISRO CS Syllabus for Scientist/Engineer Exam.ISRO CS Original Papers and Official Keys.GATE CS Original Papers and Official Keys.Open the Activity app on the Apple Watch (it’s the concentric multi-color circle icon)Īt the primary Activity screen, scroll down with the digital crown (the rotating dial on the side of the Apple Watch) to reveal the pedometer feature, you’ll see your step count under “Total Steps”Īccessing the Pedometer Step Counter on Apple Watch

Paul, if you scroll up above these comments you will see how to view your pedometer in this blog. Like the Apple Watch, the step counter is enabled by default on the iPhone but if you turned it off you can turn it back on again to track motion and fitness with the phone.Īpple Watch is a great accessory for active people and also for those looking to increase their activity, with hourly Stand Up reminders to help minimize sitting, various fitness and health tracking features, a heart rate monitor, calories burned estimator, and much more. It’d be nice if the Apple Watch had a glance view or complication (the customized settings on the clock faces, complication is their name and not a problem) for the pedometer feature, but for now you can quickly access it from the Activity app.įor users who don’t have an Apple Watch, you can still track steps and mileage on the iPhone as well using the devices accelerometer, as long as the iPhone is with you while you’re walking around. (not exactly a record breaking day of activity, but it was early morning!) On the third fourth and fifth day I counted my steps and compared the count to the pedometer, turned out my manual count was more consistent than the pedometer.

Compared the first and second day readings and they were off by a significant amount. In the screen shot examples below, the Apple Watch is deliberately disconnected from the paired iPhone but was worn taking a few steps, and you can see the Total Steps and Total Distance measurements increase as expected: Walked the same 1/2 mile course for 5 days. The Apple Watch pedometer will update the step count even if the paired iPhone is not in reach or unavailable, and the data will sync to the related iOS Health app when the iPhone is in range again.