For problem statement at 1000-1999/1000-1099/1080-1089/1088/problemB.txt this is a correct solution, but verifier at 1000-1999/1000-1099/1080-1089/1088/verifierB.go ends with All tests passed can you fix the verifier? package main

import (
	"bufio"
	"fmt"
	"os"
	"sort"
)

func main() {
	reader := bufio.NewReader(os.Stdin)
	writer := bufio.NewWriter(os.Stdout)
	defer writer.Flush()

	var n, k int
	fmt.Fscan(reader, &n, &k)

	a := make([]int, n)
	for i := 0; i < n; i++ {
		fmt.Fscan(reader, &a[i])
	}

	sort.Ints(a)

	sub := 0
	idx := 0
	for i := 0; i < k; i++ {
		for idx < n && a[idx] <= sub {
			idx++
		}
		if idx < n {
			fmt.Fprintln(writer, a[idx]-sub)
			sub = a[idx]
		} else {
			fmt.Fprintln(writer, 0)
		}
	}
}