Given an array of integers and a target sum, count the number of pairs with that sum.
print(is_palindrome("madam")) # Output: True Tcs Coding Questions 2021
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 an array of integers and a target
for num in arr: current_sum = max(num, current_sum + num) max_sum = max(max_sum, current_sum) current_sum + num) max_sum = max(max_sum
Given a string, check if it's a palindrome or not.