diff --git a/solutions/cpp/triangle/1/triangle.cpp b/solutions/cpp/triangle/1/triangle.cpp
new file mode 100644
index 0000000..6738222
--- /dev/null
+++ b/solutions/cpp/triangle/1/triangle.cpp
@@ -0,0 +1,21 @@
+#include "triangle.h"
+#include <stdexcept>
+
+namespace triangle {
+    flavor kind(double a, double b, double c) {
+    if (a <= 0 || b <= 0 || c <= 0 || (a + b < c) || (b + c < a) || (a + c < b)) {
+        throw std::domain_error("No es un triangulo real.");
+    }
+
+    if (a == b && b == c) {
+        return flavor::equilateral;
+    } 
+    else if (a != b && b != c && a != c) {
+        return flavor::scalene;
+    } 
+    else {
+        return flavor::isosceles;
+    }
+}
+
+}
\ No newline at end of file
diff --git a/solutions/cpp/triangle/1/triangle.h b/solutions/cpp/triangle/1/triangle.h
new file mode 100644
index 0000000..484b4eb
--- /dev/null
+++ b/solutions/cpp/triangle/1/triangle.h
@@ -0,0 +1,12 @@
+#pragma once
+
+namespace triangle {
+
+    enum class flavor {
+        equilateral,
+        isosceles,
+        scalene
+    };
+    flavor kind(double a, double b, double c);
+
+}
\ No newline at end of file