更新时间:2022-08-15 11:05:21
Description
Input
Output
Sample Input
123456789012345678901234567890 123456789012345678901234567890 123456789012345678901234567890 0
Sample Output
370370367037037036703703703670
第一道java题,好开森;
import java.util.*; import java.math.*; import java.io.*; public class Main{ //外面的Main必须大写! public static void main(String[] args){ //String S大写 Scanner cin= new Scanner(System.in); BigDecimal a=BigDecimal.valueOf(0); //组合的函数名一般后个一定得大写: BigInter BigDecimal valueOf(这前不大写) hasNext nextLine; BigDecimal b=BigDecimal.valueOf(0); //赋初值 String str; while(cin.hasNext()) //相当于!=EOF { str=cin.nextLine(); //下一行输入nextLine if(str.equals("0")) //equals { break; } else { a=new BigDecimal(str); //强制转化,把str转化成大数 b=b.add(a); //b+a; } } System.out.println(b.toPlainString()); //println,是LN
//toPlainString 以字符形式输出 } }