求大神看看这道C语言题 我在哪里出错了?[face]monkey2:019.png[/face][face]monkey2:019.png[/face][face]monkey2:019.png[/face]![](https://userblink.csdnimg.cn/20210402/m0_56069081/pic/33906fdd5cf38ecdc41ca7a93010ca0d-0.png)
![](https://userblink.csdnimg.cn/20210402/m0_56069081/pic/886337c791c061a7e1ebcb76b829e461-1.png)
![](https://userblink.csdnimg.cn/20210402/m0_56069081/pic/33906fdd5cf38ecdc41ca7a93010ca0d-0.png)
![](https://userblink.csdnimg.cn/20210402/m0_56069081/pic/886337c791c061a7e1ebcb76b829e461-1.png)
#include <stdio.h>
int main()
{
int i,n;
float x,y,t,sum;
n=0;
t=0;
sum=0.0;
x=1.0;
y=1.0;
scanf("%d",&n);
for(i=0;i<n;i++)
{
sum=sum+y/x;
t=x;
x=x+y;
y=t;
}
printf("%.6f\n",sum);
return 0;
}
问题应该是你最后一句话,把 printf("%.6lf\n",n)改成 printf("%.6lf\n",sum)应该就可以了