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以下是某C语言程序段,其功能为计算1到所输入数字的逐步累加和,请仔细阅读程序并完成要求。
# include<stdi0.h>
int sum(int n)
int i,ret_sum;
ret_sum=0;
for(i=l;i<n;i++)
ret_s urn+=i:
return ret_sum;
void main()
int j,n;
printf("\1:Plee input value here ==>");
scanf("%d",&n);
for(j=1;j<=n;j++ )
printf("\2:from 1 to %d is%d\n,j,sum(j));
设计一组测试用例,使该程序所有函数的语句覆盖率和分支覆盖率均能达到100%。如果认为该程序的语句或分支覆盖率无法达到100%,需说明为什么。
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参考答案:
![](https://cos-cdn.shuashuati.com/shuashuati-web/2024-0521-0905-00/logo-new-ad743.png)
参考解析:
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