程序代码：

#include<stdio.h>
int main()
{int a=0,b=1,c,k;

 printf("%10d%10d",a,b);    

 for(k=2;k<46;k++)          

 {c=a+b;                    
  printf("%10d",c);         
  a=b;                      
  b=c;

 }

 return 0;
}

程序代码：

int main(void)
{
    int a = 1, b = 1, c = 1, k;
    scanf("%d", &k);
    if(k < 3)
        printf("%d", c);
    else
    {
        for (int j = 2; j < k; j++)
        {
            c = a + b;
            a = b;
            b = c;
        }
    printf("%d", c);
    }
    return 0;

 }