adding the solution of the dinamic array problem

Author: Lairon Acosta Guardias

datastructures/arrays/dinamic_array.go

@@ -0,0 +1,45 @@
+package arrays
+
+import "fmt"
+
+/*
+ * Complete the 'dynamicArray' function below.
+ * 2 2
+ * 1 x y
+ * 2 x y
+ *
+ * The function is expected to return an INTEGER_ARRAY.
+ * The function accepts following parameters:
+ *  1. INTEGER n
+ *  2. 2D_INTEGER_ARRAY queries
+ */
+
+func DynamicArray(n int32, queries [][]int32) []int32 {
+	// initialize inputs and output
+	var result []int32
+	arr := make([][]int32, n)
+	numQueries := len(queries)
+	lastAnswer := int32(0)
+
+	// iterate each query
+	for i := 0; i < numQueries; i++ {
+		x := queries[i][1]
+		y := queries[i][2]
+
+		// query type 1
+		if queries[i][0] == 1 {
+			idx := (x ^ lastAnswer) % n
+			arr[idx] = append(arr[idx], y)
+		}
+
+		// query type 2
+		if queries[i][0] == 2 {
+			idx := (x ^ lastAnswer) % n
+			lastAnswer = arr[idx][y%int32(len(arr[idx]))]
+			result = append(result, lastAnswer)
+			fmt.Println(lastAnswer)
+		}
+	}
+
+	return result
+}

main.go

@@ -0,0 +1,5 @@
+package main
+
+func main() {
+	//test each implementation
+}