[Глава 4] Упражнения 1-4

2025-07-26 17:46:42 +03:00
parent 1f144231c0
commit 83d5f60fe9
8 changed files with 72 additions and 3 deletions
--- a/Chapter4_QuickSort/Task4_4_BinSearch.cs
+++ b/Chapter4_QuickSort/Task4_4_BinSearch.cs
@@ -0,0 +1,16 @@
+static class Task4_4
+{
+    public static int BinSearch(IEnumerable<int> collection, int target, int left, int right)
+    {
+        if (left > right)
+            return left; // позиция для вставки
+
+        var mid = (left + right) / 2;
+        var value = collection.ElementAt(mid);
+        if (value == target)
+            return mid;
+        if (value < target)
+            return BinSearch(collection, target, mid + 1, right);
+        return BinSearch(collection, target, left, mid - 1);
+    }
+}