rusyasoft
diff --git a/‎ClimbingStairs.java
Copy file name to clipboard
+14Lines changed: 14 additions & 0 deletions b/‎ClimbingStairs.java
Copy file name to clipboard
+14Lines changed: 14 additions & 0 deletions
@@ -0,0 +1,14 @@
+public class ClimbingStairs {
+    public int climbStairs(int n) {
+        if (n == 1) {
+            return 1;
+        }
+        int[] dp = new int[n + 1];
+        dp[1] = 1;
+        dp[2] = 2;
+        for (int i = 3; i <= n; i++) {
+            dp[i] = dp[i - 1] + dp[i - 2];
+        }
+        return dp[n];
+    }
+}