解题思路:
在Java语言,当计算大数时,会引用BigInteger这个类。从而进行,加、减、乘、除、取余等运算~
注意事项:
参考代码:
import java.math.BigInteger; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); BigInteger sum = new BigInteger("1"); for(int i = 0; i < n; i++) { int a = sc.nextInt(); sum = sum.multiply(new BigInteger(String.valueOf(a))); } System.out.println(sum.remainder(new BigInteger(String.valueOf(10)))); } }
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