Tcs Coding Questions 2021 Apr 2026

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

print(is_palindrome("madam")) # Output: True

def is_palindrome(s): return s == s[::-1] Tcs Coding Questions 2021

Given an array of integers, find the maximum sum of a subarray.

for char in s: if char_count[char] == 1: return char def first_non_repeating_char(s): char_count = {} for char in

Given a linked list, find the middle element.

Example: Input - "madam", Output - True

def max_subarray_sum(arr): max_sum = float('-inf') current_sum = 0