java大数操作实例(100!+101!+……+200!)
这是标题。算100!+101!+……+200!
代码如下:
导入Java . math . *;
public class no 0305
{
public static void main(String args[])
big integer
first 100 = new big integer(" 100 "),
last 201 = new big integer(" 201 "),
one=new BigInteger("1 "),
power=new BigInteger("1 "),
result = new big integer(" 0 ");
for(big integer I = one;I . compare to(last 201)= 0)
result = result . add(power);
}
system . out . println(result . tostring());
}
}
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