Tcs Coding Questions | 2021

Given a linked list, find the middle element.

Example: Input - 1 -> 2 -> 3 -> 4 -> 5, Output - 3

# Create a sample linked list: 1 -> 2 -> 3 -> 4 -> 5 head = Node(1) head.next = Node(2) head.next.next = Node(3) head.next.next.next = Node(4) head.next.next.next.next = Node(5) Tcs Coding Questions 2021

def is_palindrome(s): return s == s[::-1]

def first_non_repeating_char(s): char_count = {} for char in s: if char in char_count: char_count[char] += 1 else: char_count[char] = 1 Given a linked list, find the middle element

print(max_subarray_sum([-2, 1, -3, 4, -1, 2, 1, -5, 4])) # Output: 6

def max_subarray_sum(arr): max_sum = float('-inf') current_sum = 0 Given a linked list

return count