package Test_1;
import java.util.*;
public class Test_8_1 {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.print("请输入a的值和a的行数:");
Scanner input = new Scanner(System.in);
int num1 = input.nextInt();
int num2 = input.nextInt();
String str = "";
long s = 0;
for(int i=1;i<=num2;i++){
str = str + num1;
int temp = Integer.parseInt(str);
s = s + temp;
}
System.out.print("最后的结果为:"+s);
}
}
s = a + aa + aaa+ ...
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