蓝桥杯大纲填空题通用样题“有趣的平方数”

a1.java

public class a1 {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        int i2=0;
        for(int i = 100; i < 1000; i++) {
            i2 = i*i;
            if(i2%1000==i) {
                System.out.print(i);
                return;
            }
        }
    }

}