阅读下列说明，回答问题1至问题3，将解答填入的对应栏内。[说明]逻辑覆盖是通过对程序逻辑结构的遍历实现程序的覆盖，是设计白盒测试用例的主要方法之。以下代码由C浯言书写，请按要求回答问题。voidcal(intn){intg，s，b，q；if((n＞1000)&&(n＜2000)){g=n % 10；s=n % 100/ 10；b=n / 100 % 10；q= n / 1000；if((q+g) =={s+b ) ){printf("%-5d"，n)；}}printf("\n")；return；}13、 [问题1]（3分）请找出程序中所有的逻辑判断语句。14、 [问题2]（6分）请分析并给出分别满足100%DC(判定覆盖)和100%CC(条件覆盖)时所需的逻辑条件。15、 [问题3]（6分）假设n的取值范围是0＜n＜3000，请用逻辑覆盖法为n的取值设计测试用例，使用例集满足基本路径覆盖标准。
正确答案及解析
正确答案
解析
13、逻辑判断语句：1．n＞10002．n＜20003．(q + g)＝(s + b) 14、按照DC和CC的定义分析逻辑条件。
15、可按以下步骤完成：1．画控制流图。2．计算V(G)=3。3．找出线性独立路径。4．按路径执行过程中的逻辑条件设计相应数据。
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