int num = 999;
int count = 0;
int k = 1, step = 10;
while (num != 0) {
count++;
num = num / step;
}
System.out.println("它是个" + count + "位的数！");
//还是我的程序比较简洁:)
public class HelloWorld {
public static void main(String[] args) {
int score = 53;
int count = 0;
System.out.println("加分前成绩："+score);
for(;score<60;score++)
count++;
System.out.println("加分后成绩："+score);
System.out.println("共加了"+count+"次！");
}
}
