n哪里有错误啊,有1个编译错误
#include"stdio.h"#include"math.h"
main()
{
int n;
float root;
printf("please input n:");
scanf("%d",&n);
if(n>=0)
{root=sqrt(n);
printf("%f",root);
}
else
{root=sqrt(ans(n));
printf("%fi",root);
}
}
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程序代码:#include<stdio.h>
#include<math.h>
int main()
{
double n;
double root;
printf("please input n:");
scanf("%lf",&n);
if(n>=0)
{root=sqrt(n);
printf("%lf",root);
}
else
{root=sqrt(fabs(n));
printf("%lf",root);
}
return 0;
} 
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2013-07-17 17:27