Contents

const isPalindrome = (num: number) => num.toString().split('').reverse().join('') === num.toString()

const Palindromes = (params: {maxFactor: number, minFactor?: number}) => {
    let maxFactor,
        minFactor,
        maxProduct,
        minProduct,
        data
    maxFactor = params.maxFactor
    minFactor = params.minFactor || 1
    maxProduct = 1
    minProduct = Infinity
    data = []

    for (let ii = minFactor; ii < maxFactor; ii++) {
        for (let jj = ii; jj <= maxFactor; jj++) {
            const product = ii * jj
            if (isPalindrome(product)) {
                data[product] = [ii, jj]
                maxProduct = Math.max(maxProduct, product)
                minProduct = Math.min(minProduct, product)
            }
        }
    }

    return {
        largest: {
            value: maxProduct,
            factors: data[maxProduct],
        },
        smallest: {
            value: minProduct,
            factors: data[minProduct],
        },
    }
}

export default Palindromes

Version data entries

44 entries across 44 versions & 1 rubygems

Version	Path
trackler-2.2.1.180	tracks/typescript/exercises/palindrome-products/palindrome-products.example.ts
trackler-2.2.1.179	tracks/typescript/exercises/palindrome-products/palindrome-products.example.ts
trackler-2.2.1.178	tracks/typescript/exercises/palindrome-products/palindrome-products.example.ts
trackler-2.2.1.177	tracks/typescript/exercises/palindrome-products/palindrome-products.example.ts
trackler-2.2.1.176	tracks/typescript/exercises/palindrome-products/palindrome-products.example.ts
trackler-2.2.1.175	tracks/typescript/exercises/palindrome-products/palindrome-products.example.ts
trackler-2.2.1.174	tracks/typescript/exercises/palindrome-products/palindrome-products.example.ts
trackler-2.2.1.173	tracks/typescript/exercises/palindrome-products/palindrome-products.example.ts
trackler-2.2.1.172	tracks/typescript/exercises/palindrome-products/palindrome-products.example.ts
trackler-2.2.1.171	tracks/typescript/exercises/palindrome-products/palindrome-products.example.ts
trackler-2.2.1.170	tracks/typescript/exercises/palindrome-products/palindrome-products.example.ts
trackler-2.2.1.169	tracks/typescript/exercises/palindrome-products/palindrome-products.example.ts
trackler-2.2.1.167	tracks/typescript/exercises/palindrome-products/palindrome-products.example.ts
trackler-2.2.1.166	tracks/typescript/exercises/palindrome-products/palindrome-products.example.ts
trackler-2.2.1.165	tracks/typescript/exercises/palindrome-products/palindrome-products.example.ts
trackler-2.2.1.164	tracks/typescript/exercises/palindrome-products/palindrome-products.example.ts
trackler-2.2.1.163	tracks/typescript/exercises/palindrome-products/palindrome-products.example.ts
trackler-2.2.1.162	tracks/typescript/exercises/palindrome-products/palindrome-products.example.ts
trackler-2.2.1.161	tracks/typescript/exercises/palindrome-products/palindrome-products.example.ts
trackler-2.2.1.160	tracks/typescript/exercises/palindrome-products/palindrome-products.example.ts