1 files changed, 13 insertions, 0 deletions

diff --git a/02_sorting_and_searching/distinct_numbers_1621.cpp b/02_sorting_and_searching/distinct_numbers_1621.cpp
new file mode 100644
index 0000000..9c39aa3
--- /dev/null
+++ b/02_sorting_and_searching/distinct_numbers_1621.cpp
@@ -0,0 +1,13 @@
+#include <iostream>
+#include <set>
+
+int main() {
+        int n, x;
+        std::set<int> s;
+        std::cin >> n;
+        for (int i = 0; i < n; i++) {
+                std::cin >> x;
+                s.insert(x);
+        }
+        std::cout << s.size() << "\n";
+}