create dev channel

zeta/py/completed/2775.py

@@ -0,0 +1,13 @@
+def fact(x):
+    temp = 1
+    for i in range(1, x+1):
+        temp *= i
+    return temp
+def comb(n, r):
+    return fact(n)//(fact(n-r)*fact(r))
+N = int(input())
+for i in range(N):
+    k = int(input()) + 1
+    h = int(input()) - 1
+    print(comb(k+h, h))
+