1 files changed, 10 insertions, 0 deletions
diff --git a/progs/a873.py b/progs/a873.py
new file mode 100644
index 0000000..dbde9d2
--- /dev/null
+++ b/progs/a873.py
@@ -0,0 +1,10 @@
+def no_of_subsequences(arr, k): 
+	n = len(arr) 
+	dp = [[0 for i in range(n + 1)] 
+			for j in range(k + 1)] 
+	for i in range(1, k + 1): 
+		for j in range(1, n + 1): 
+			dp[i][j] = dp[i][j - 1] 
+			if arr[j - 1] <= i and arr[j - 1] > 0: 
+				dp[i][j] += dp[i // arr[j - 1]][j - 1] + 1
+	return dp[k][n]
+\ No newline at end of file