My solution to problems 1, 2 and 3

Test1/src/Problem1.kt

@@ -0,0 +1,11 @@
+fun main() {
+    val N = 10
+    var sum = 0
+    val arr = IntArray(N) { i -> i }
+    for(i in arr) {
+        if (i % 2 == 0) {
+            sum += arr[i]
+        }
+    }
+    println("suma = " + sum)
+}

Test1/src/Problem2.kt

@@ -0,0 +1,22 @@
+fun main() {
+    var max1 = 0
+    var max2 = 0
+
+    val arr = intArrayOf(17,11,10,19,15,23,1,9,100)
+    for(valoare_i in arr) {
+        if(valoare_i > max1) {
+            max1 = valoare_i
+        }else {
+            max1 = max1
+        }
+    }
+    for(valoare_j in arr) {
+        if (valoare_j > max2 && valoare_j != max1) {
+            max2 = valoare_j
+        } else {
+            max2 = max2
+        }
+    }
+    println("max1 = " + max1)
+    println("max2 = " + max2)
+}

Test1/src/Problem3.kt

@@ -0,0 +1,56 @@
+// Am incercat sa rezolv in mai multe metode problema deorece nu eram sigur daca prima solutie era cea ideala
+// Rezolvarea ideala cu Stringuri
+fun main() {
+    var a = intArrayOf(1204, 66, 7423, 1, 4, 850, 4, 55, 10003, 55, 78364, 93, 403, 1789, 1, 3850, 778, 850)
+
+    var distincte = ""
+    var duplicate = ""
+
+    for(i in a.indices) {
+        if(i == 0) {
+            distincte += (a[i].toString() + " ")
+        } else if(distincte.contains(" " + a[i])) {
+            duplicate += (a[i].toString() + " ")
+        } else {
+            distincte += (a[i].toString() + " ")
+        }
+    }
+    if (duplicate != "") {
+        println("S-au gasit duplicatele : " + duplicate)
+    }else {
+        println("Nu s-au gasit duplicate")
+    }
+}
+
+
+
+//Rezolvare cu functie implicita
+/*fun main() {
+    var arr = intArrayOf(1204, 66, 7423, 1, 4, 850, 4, 55, 10003, 55, 78364, 93, 403, 1789, 1, 3850, 778, 850)
+    for(i in arr) {
+      if((arr.count{i == it}) > 1) {
+          println("S-au gasit duplicate")
+          return
+      }
+    }
+    println("Nu s-au gasit duplicate")
+}*/
+
+
+
+//Rezolvare cu for in for
+/*fun main() {
+    var arr = intArrayOf(1204, 66, 7423, 1, 4, 850, 4, 55, 10003, 55, 78364, 93, 403, 1789, 1, 3850, 778, 850)
+
+    for (i in arr.indices) {
+        for (j in i + 1 until arr.size) {
+            if (arr[i] == arr[j]) {
+                println("S-au gasit duplicate")
+                return
+            }
+        }
+    }
+    println("Nu s-au gasit duplicate")
+}*/
+
+