1 files changed, 10 insertions, 0 deletions

diff --git a/top-interview-questions/easy/array/05_single_number.cc b/top-interview-questions/easy/array/05_single_number.cc
new file mode 100644
index 0000000..ad55712
--- /dev/null
+++ b/top-interview-questions/easy/array/05_single_number.cc
@@ -0,0 +1,10 @@
+class Solution {
+public:
+    int singleNumber(vector<int>& nums) {
+        int x = 0;
+        for (int n : nums) {
+            x = x ^ n;
+        }
+        return x;
+    }
+};