Kata

Task

Given a number n, return the logical negation of n, i.e., return 1 if n = 0, otherwise return 0.

Restrictions

• You may only use at most 28 characters
• You may only use the following characters: [0-9], [a-z], (, ), +, ~, &, |, ^, <, =, > ([A-Z] and whitespace characters are not allowed)
• You may only use the character + at most 2 times
• You may not use the following operators: &&, &&=, ||, ||=, <, <=, ==, ===, >=, >. This implies that only the following operators (and their respective assignment counterparts) are allowed: +, ~, &, |, ^, <<, >>, >>>

Examples

negation(0)  // 1
negation(1)  // 0
negation(-1) // 0
negation(32) // 0

Constraints

• -2147483648 ≤ n ≤ 2147483647