A ima/2025-10-08/binaerzaehler.go

@@ -0,0 +1,41 @@
+package main
+
+import (
+	"fmt"
+	"strconv"
+)
+func binaer(decimal int) string {
+	n := int64(decimal)
+	return strconv.FormatInt(n, 2)
+}
+
+func countUp(end int) []string {
+	var rows []string
+	for i := range end {
+		rows = append(rows, binaer(i))
+	}
+	return rows
+}
+
+func countOnes(rows []string, k int) {
+	for _, try := range rows {
+		ones := 0
+		for _, digit := range try {
+			if digit == '1' {
+				ones++
+			}
+		}
+		if ones == k {
+			fmt.Println(try)
+		}
+	}
+}
+
+func main() {
+	k := 3
+	n := 4
+
+	rows := countUp(1 << n)
+	fmt.Println(rows)
+	countOnes(rows, k)
+}

A ima/2025-10-08/binaerzaehler2.go

@@ -0,0 +1,54 @@
+package main
+
+import (
+	"fmt"
+)
+
+func createArr(nptr *int) *[][]bool {
+	arr := make([][]bool, (1 << *nptr))
+	for i := range arr {
+		arr[i] = make([]bool, *nptr)
+	}
+
+	for row := 1; row < len(arr); row++ {
+		copy(arr[row], arr[row-1])
+		column:
+		for column := range arr[row]{
+			if arr[row][column] == false {
+				arr[row][column] = true
+				break column
+			} else {
+				arr[row][column] = false
+			}
+		}
+	}
+	return &arr
+}
+
+func readArr(arrptr *[][]bool, kpttr *int) *[][]bool {
+	var validRows [][]bool
+	counter := 0
+	for row := range *arrptr {
+		counter = 0
+		for column := range (*arrptr)[row] {
+			if (*arrptr)[row][column] == true {
+				counter++
+			}
+		}
+		if counter == *kpttr {
+			validRows = append(validRows, (*arrptr)[row])
+		}
+	}
+	return &validRows
+}
+
+func main() {
+	n := 4
+	k := 3
+
+	arrptr := createArr(&n)
+	fmt.Println(*arrptr)	
+
+	validRowpttr := readArr(arrptr, &k)
+	fmt.Println(*validRowpttr)
+}