## [SOLUTION] XOR Construction Solution Codeforces

# Function to construct array b based on a def construct_array(n, a): b = [0] * n b[0] = 0 for i in range(1, n – 1): b[i] = a[i – 1] ^ b[i – 1] all_elements = set(range(n)) used_elements = set(b) missing_element = list(all_elements – used_elements) b[n – 1] = a[n – 2] ^ … Read more