export default function countNumbersWithUniqueDigits(n: number): number {
    switch (n) {
        case 0:
            return 1;
        case 1:
            return 10;
        case 2:
            return 91;
        case 3:
            return 739;
        case 4:
            return 5275;
        case 5:
            return 32491;
        case 6:
            return 168571;
        case 7:
            return 712891;
        case 8:
            return 2345851;
        case 9:
            return 5611771;
        default:
            return 8877691;
    }
}