package main

import (
	"fmt"
	"sort"
)

func kthLargestNumber(nums []string, k int) string {
	n := len(nums)
	if n == 1 {
		return nums[0]
	}
	sort.Slice(nums, func(i, j int) bool {
		if len(nums[i]) == len(nums[j]) {
			for k := range nums[i] {
				if nums[i][k] == nums[j][k] {
					continue
				}
				return nums[i][k] > nums[j][k]
			}
		}
		return len(nums[i]) > len(nums[j])
	})
	return nums[k-1]
}

func main() {
	fmt.Println(kthLargestNumber([]string{"3", "6", "7", "10"}, 4))
	fmt.Println(kthLargestNumber([]string{"2", "21", "12", "1"}, 3))
	fmt.Println(kthLargestNumber([]string{"0", "0"}, 2))
}