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fib.ts

// Fibonacci with memoization

function fib(n: number, memo: Record<number, number> = {}): number {

if (n <= 1) return n;

if (memo[n]) return memo[n];

return (memo[n] = fib(n - 1, memo) + fib(n - 2, memo));

}

const sequence = Array.from({ length: 10 }, (_, i) => fib(i));

console.log(`First 10: ${sequence.join(", ")}`);

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