Leetcode Note: Go - Number of Students Unable to Eat Lunch

func countStudents(students []int, sandwiches []int) int {
    var counters [2]int
	// count zeros and ones in students
    for i := 0; i < len(students); i++ {
        counters[students[i]]++
    }
	// go over the sandwiches queue
    for i := 0; i < len(sandwiches); i++ {
        if counters[sandwiches[i]] == 0 {
            break  // stop if there is no student of the kind left
        }
        counters[sandwiches[i]]--  // decrement number of students of the kind
    }
    // return number of students left
	return counters[0] + counters[1]
}