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題目概要：
輸入2個整數，求出2整數間有多少平方項。
解題方向：
取最小整數開根號的值i，從i開始算平方，直到i平方大於b時停止，在輸出結果。
程式碼：
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| //Java | |
| import java.util.Scanner; | |
| class uva11461{ | |
| public static void main(String args[]){ | |
| Scanner sc=new Scanner(System.in); | |
| int a=0; | |
| int b=0; | |
| while((a=sc.nextInt())!=0 && (b=sc.nextInt())!=0){ | |
| int count=0; | |
| int i=(int)Math.sqrt(a); | |
| while((int)Math.pow(i,2)<=b){ | |
| if((int)Math.pow(i,2)>=a) count++; | |
| i++; | |
| } | |
| System.out.println(count); | |
| } | |
| } | |
| } |
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