1 files changed, 11 insertions, 0 deletions
diff --git a/progs/a512.py b/progs/a512.py
new file mode 100644
index 0000000..d2be437
--- /dev/null
+++ b/progs/a512.py
@@ -0,0 +1,11 @@
+def longest_subseq_with_diff_one(arr, n): 
+	dp = [1 for i in range(n)] 
+	for i in range(n): 
+		for j in range(i): 
+			if ((arr[i] == arr[j]+1) or (arr[i] == arr[j]-1)): 
+				dp[i] = max(dp[i], dp[j]+1) 
+	result = 1
+	for i in range(n): 
+		if (result < dp[i]): 
+			result = dp[i] 
+	return result
+\ No newline at end of file