Added new bit Manipulation question (Find odd occuring elements in the array)

.vscode/tasks.json

@@ -0,0 +1,28 @@
+{
+    "tasks": [
+        {
+            "type": "cppbuild",
+            "label": "C/C++: g++.exe build active file",
+            "command": "C:\\Program Files\\mingw-w64\\x86_64-8.1.0-posix-seh-rt_v6-rev0\\mingw64\\bin\\g++.exe",
+            "args": [
+                "-fdiagnostics-color=always",
+                "-g",
+                "${file}",
+                "-o",
+                "${fileDirname}\\${fileBasenameNoExtension}.exe"
+            ],
+            "options": {
+                "cwd": "${fileDirname}"
+            },
+            "problemMatcher": [
+                "$gcc"
+            ],
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            },
+            "detail": "Task generated by Debugger."
+        }
+    ],
+    "version": "2.0.0"
+}

Bit manipulation/find odd occuring elements in the array.cpp

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+// Find the elements whoch are odd occuring in the array
+#include<iostream>
+using namespace std;
+int findOdd(int arr1[], int n1)
+{
+    int result = 0;
+
+    for(int i = 0; i < n1; i++)
+    {
+        result = result ^ arr1[i];
+    }
+
+    return result;
+}
+
+int main() {
+
+	int arr1[]= {1, 5, 4, 6, 6, 5, 2, 2, 3}, n1 = 9;
+
+    cout<<findOdd(arr1, n1);
+    return 0;
+
+}