如果条件不执行大数字.为什么?代码有什么问题? [英] if condition not executing for big numbers.why? whats wrong in the code?

问题描述

for(int i=0;i<=f;i++)
	
{
    BigInteger ib=BigInteger.valueOf((long)i);
    //BigInteger r=  g1.Power(i);
    //System.out.println("g^ib =" +r);
    BigInteger s= g1.modPow(ib,p1);
    //System.out.println("r:" +r);

    //System.out.println("a" +a1);
    //System.out.println("p" +p1);
    //System.out.println("s:" +s);
    //System.out.println("a1:" +a1);
    //BigInteger a1 = BigInteger.valueOf((long)a);

    if(s.equals(a1))
    {
        System.out.println("The value of m is : \t" +i);
    }
    break;
}
//else
// System.out.print("the value did not match \n");

}

推荐答案

因为您已经注释了定义a1 ...

Because you''ve commented out the line that defines a1...

的行a1是BigInteger吗?如果是这样，比较将起作用； 参阅Java文档 [ ^ ].

Is a1 a BigInteger? If so, the comparison will work; see the Java Doc[^].

它与注释行无关.我已经在之前的代码中声明了a1，并且尝试在for循环中使用它，但这没有用.
不检查条件是否包含大整数.
如果我给小的输入数字，它可以正确执行.

its not about the comment line . i have already declared a1 in the previous code and i have tried using it in the for loop but it is of no use.
the condition is not checked for big integers.
if i give small input numbers its executing correctly.

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