Module: 組み合わせ


Problem

2 /3


組み合わせ数 - 2

Problem

与えられた数値 n と k (\(0 <= k <= n\),  ; \(0) 組み合わせの数を計算します  \(C_n^k\) < /span>。
 

 

例
<頭> <本体>

time 1000 ms
memory 256 Mb
Rules for program design and list of errors in automatic problem checking

Teacher commentary

Your Program

Attach a file with the source code of the program:

or select a programming language and type your program

Auto

       

Program check result To check the solution of the problem, you need to register or log in!

# 入力 出力
1 3 21 1330