diff --git a/increasingTriplet_shadowkakashi.cpp b/increasingTriplet_shadowkakashi.cpp
new file mode 100644
index 0000000..a071773
--- /dev/null
+++ b/increasingTriplet_shadowkakashi.cpp
@@ -0,0 +1,12 @@
+class Solution {
+public:
+    bool increasingTriplet(vector<int>& nums) {
+        int first = INT_MAX, second = INT_MAX;
+        for (int n : nums) {
+            if (n <= first) first = n;
+            else if (n <= second) second = n;
+            else return true;
+        }
+        return false;
+    }
+};