Program to find the second smallest number in an array in c

C program to find largest and smallest number in an array using pointers. Take two variables smallest and nextSmallest. The array contains 4 fibonacci values 1, 2, 3 and 5. In this function we are declaring a integer variable small and initializing it to the first element of an array Array count starts at 0.

C program to find largest and smallest number in an array using pointers

The array contains 3 fibonacci values 13, 3 and 8 In C you can find maximum or minimum value in a numeric array by looping through the array.

Then, this program displays the largest element of that array using loops. In order to tell if a digit is the second greatest, you need to track the greatest at the same time.

C programming, exercises, solution : Write a program in C to sort an array using Pointer. Given an array arr[] of N positive integers, the task is to find the minimum smallest and maximum largest Fibonacci elements in the given array. We can find the smallest and second smallest number of an integers array using the c language. Contribute your code and comments through Disqus.

This is not a problem if the array is already sorted in ascending or descending order. The program lines are hides by program box of left side. For purposes of this question, call them tempLargest and tempSmallest. Here is the code to do that. I have used CodeBlocks compiler for debugging purpose. It also prints the location or index at which maximum element occurs in array.

You can also learn about implementing linear search and binary search algorithms, it will strengthen your concepts. C Program to Implement Structure with Pointers.

When they do enter zero it then tells them the greatest number they entered and the smallest number they entered but the smallest number cannot be 0. The Modulus operator is used to extract the digit at the end of a given number.

Problem Definition. C program to find maximum element in an array C program to find the maximum or the largest element and the location index at which it's present in an array. Then it will read all inputs from the user and store it in the array. How program works. We can write a C Program to find smallest among n numbers integers using Array. Hence, the maximum is 5 and the minimum is 1. Ask Question This returns a pair of iterators, one to the smallest element and one to the largest.

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INPUT: 7, 6, 8, 10, 11, 5, 13, And check the largest string and store into another array. Method 1.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Tried to googled it but with no luck.

How can I find the second maximum number in an array with the smallest complexity? I can loop through an array and look for the maximum number after that, I have the maximum number and then loop the array again to find the second the same way.

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You could sort the array and choose the item at the second index, but the following O n loop will be much faster. How to get the second highest number in an array in Visual C? The best solution is to sort the array.

And depending on descending or ascending, display the second or the 2nd last element respectively. The other alternative is to use some inbuilt methods, to get the initial max.

Pop that element, and then search for the max again. Don't know Cso can't give the direct code. You'd want to sort the numbers, then just take the second largest. Here's a snippet without any consideration of efficiency:. Learn more. Find the second maximum number in an array with the smallest complexity Ask Question.

Asked 7 years, 2 months ago. Active 7 months ago. Viewed 50k times. But for sure it is not efficient. Meir E. Meir 1, 3 3 gold badges 24 24 silver badges 40 40 bronze badges. Something like this stackoverflow. And then take the second item. What do you mean by 'smallest complexity'?

Define "complexity", are we talking clear maintainable code? Or computational efficiency? Meir Feb 11 '13 at Active Oldest Votes. Skip 1. First How to get the second highest number in an array in Visual C? I liked that Linq solution, Is it efficient? Its sorting the numbers in the order "descending" and then skipping first one and getting the Second one. Yes i tried that working good! Minor add, You should add Distinct before Skipping 1.You all must have this kind of questions in your mind.

Below article will solve this puzzle of yours. Just take a look. Check the respective category to view all the programs under that category. Please enter your name here You have entered an incorrect email address! Please enter your email address here Save my name, email, and website in this browser for the next time I comment. Notify me of followup comments via e-mail. You can also subscribe without commenting. Currently you have JavaScript disabled.

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Find smallest number in array using pointer - C

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program to find the second smallest number in an array in c

Programs 1. Print Hello, World! Find greatest in 3 numbers 2. Find sum of 2 Float Numbers 3. Find sum of 2 Integer Numbers 4. Find Average of Two Numbers 5.Woops, got some typos there. Kindly answer this prob To find out the largest element array.

I think following link will help you.

program to find the second smallest number in an array in c

Write a program that accepts five numbers from the user and displays the highest and lowest number. Assume that there are no duplicate values.

Please help! Try it. You are given a sequence of integers as input, terminated by That is, the input integers may be positive, negative or 0. Find the second largest number in the input.

Resham pal singh. The answer would come out to be wrong if there are more than one occurrences of the biggest element in the array. For e. Post a Comment. C program to find the second largest element in an array. Sample output:. Enter the size of the array: 5. Enter 5 elements in to the array: 5 3 2 1 0. Second biggest: 3. Write a c program to find out largest element of an array. Write a c program to find out second largest element of an unsorted array.

Write a c program to find out second smallest element of an unsorted array. Write a c program which deletes the duplicate element of an array. Write a c program for delete an element at desired position in an array.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

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Find Second Smallest Number in an Array : Java Code

I have solved the given assignment below is the question and getting correct answer. Given two arrays of integers output the smallest number in the first array not present in the second one.

The first line contains the size N1 of the first array. Next line give the contents of the first array. Next line contains the size N2 of the second array. Next line give the contents of the second array. Output must be a single number which is the smallest number occurring in the first array that does not occur in the second.

In case there is no such number, output NO. The sizes of the arrays are smaller than Each array entry is an integer which fits an int data type. Even worse, you don't protect the program from writing outside the array. The C programming language doesn't protect against this wrong behavior, therefore you as the programmer must do this.

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Only if you can prove mathematically that the assert condition is always true, can you leave out the assert. To reduce the complexity of the main function, you should define a function like this:.

After that, to ensure that your program works correctly it currently doesn'tyou should extract the calculation into a separate function:. This function definition allows you to do the calculation without entering the values every time. Like this:. For starters, in the last iteration of the code,you can modify the loop such that, whenver small!

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From the looks of the input cases, i have a speculation that, both the input arrays are sorted in ascending order. If it is true, then you can further modify the program like this:. You can also declare the arrays after taking the l1 and l2 values to avoid unnecessary memory consumption.

Then,your whole code would look like this:. This is because once flag is set to 1, the program will not move to next smallest number here 2 but instead would print "NO".

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Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. Find the smallest number in the first array that is not in the second one Ask Question. Asked 2 years, 7 months ago. Active 7 months ago.

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Viewed 6k times. Input Specification: The first line contains the size N1 of the first array. Output Format: Output must be a single number which is the smallest number occurring in the first array that does not occur in the second. Variable Constraints: The sizes of the arrays are smaller than Atanu Mondal Atanu Mondal 43 1 1 silver badge 5 5 bronze badges.

Program to find smallest array element in C

Active Oldest Votes. Before every write to an array you must check that the array index is valid.In this tutorial, we will learn about how to create a program in C that will ask from user to enter 10 array elements as input and then find and print out the second largest and second smallest element from that given array.

Here is the program:. Provide any 10 elements and then press ENTER key to see the output that will prints the second largest and the second smallest element from the list of given 10 numbers as array elements as shown in the second snapshot of the sample run given here:. Here is another sample run of the above program. This time let's suppose user has provided some duplicate elements as input say 1, 2, 3, 4, 1, 2, 1, 8, 8, 4 are the 10 numbers given by user at run-time.

As you can see that, there are some duplicate elements in such way:. Therefore the above program will remove all the duplicate elements first and then will find out the first largest and smallest element, and then will remove both to find again the largest and smallest element that will be the second largest and smallest element of the given element.

In this case, the second largest element will be 4 and the second smallest element will be 2. This is the final snapshot of the sample run:. Tools Calculator. All Rights Reserved.A Simple Solution is to sort the array in increasing order. The first two elements in sorted array would be two smallest elements. Time complexity of this solution is O n Log n.

A Better Solution is to scan the array twice. In first traversal find the minimum element. Let this element be x. In second traversal, find the smallest element greater than x. Time complexity of this solution is O n. An Efficient Solution can find the minimum two elements in one traversal.

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Below is complete algorithm. Related Article: Minimum and Second minimum elements using minimum comparisons. Writing code in comment? Please use ide. Write an efficient C program to find smallest and second smallest element in an array. Example :. Python program to find smallest and second smallest elements. There should be atleast two elements. If current element is smaller than first then.

program to find the second smallest number in an array in c

If arr[i] is in between first and second then. Driver function to test above function. This code is contributed by Devesh Agrawal. Write " Invalid Input ". Improved By : Smitha Dinesh Semwalrathbhupendra. Load Comments.


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