![]() ![]() ![]() If the current element matches with the key element, then print the index of the key element and increment the variable ‘countKey’.Initializing a variable ‘ countKey’ to 0, which tracks the occurrences of the key element.The code is designed to find the number of occurrences of the key element in the array along with their positions. Here, the linear search algorithm in C is going to be modified for the multiple occurrences of the key element. The previous code was designed because the key element occurs only once in the array. Linear Search in C for Multiple Occurrences Space Complexity is O(1) as no extra space is being taken. Therefore, The time complexity of a linear search algorithm in C is O(n). In the best-case scenario, the key element is caught at the beginning of the array, and in the worst case, each element is being compared, and the last one is the key element. The time required to search an element using a linear search algorithm depends on the size of the array as the whole array is being traversed. Time and Space Complexity for the above code: ![]() If the condition returns false, then print the key element not found.If the condition returns true, then print the index of the key element.After the cursor gets out of the loop, check whether the previous loop traversed the array partially or not with the help of a condition that the index of the previous loop is less than the size of the array or not.If the current element matches with the key element, then get out of the loop using a break statement, and if is not matched, the condition keeps checking the elements until the end of the array.Inside the loop, Apply a condition that whether the current element is equal to the key element or not.The array will be traversed with the help of a loop from 0 to size-1.Take the input of the element to search for i.e.Take the input of the array with help of a loop.Take the input of the size of the array.Declaration of an array and other variables.Implementation of Linear Search Program in Cīelow code will search the key element in the input array using linear search in C. If the entire list has been traversed and none of the elements matched with the key, then return -1, which specifies the key element is not present in the list.įlow Chart of the Linear Search Algorithm.If any element of the list matches with the key, return the index of that element.Compare every element of the list with the key element starting from the leftmost end of the list.Take input of the element that is going to be searched.Approach to Implement Linear Search Algorithm in C It uses conditional statements and relational operators to find whether the given element is present in the list or not. It is also known as sequential search, as it sequentially checks each element of the list until the key element is found or the entire list has been traversed. Linear Search is the most basic method of searching an element from a list. The time complexity of the linear search algorithm in C is O(n), and space complexity is O(1). Therefore, it is known as a sequential search. The Linear Search algorithm in C sequentially checks each element of the list until the key element is found or the entire list has been traversed.
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