Module: 爪哇。条件运算符


Problem

11 /17


方程组

Problem

编写一个程序来使用公式计算 y：

\(\begin{equation*} y(x) = \begin{cases} 0 &\text{x = 0}\\ x^2-x-1 &\ text{otherwise} \end{cases} \end{equation*}\)

输入
输入是一个整数x。

印记
显示y的值。
 
例子
<头> <正文>

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!

# 输入 输出
1 2 1