用循环语句来求，简单点有吗

Question

Answer 1

#include <stdio.h>
int main()
{
    int a=1,b=1;
    printf("1 1 ");
    int i=3,c=0;
    for(;i<=15;++i)
    {
        c=a+b;
        printf("%d ",c);
        a=b;
        b=c;
        if(i%5 ==0)
            printf("\n");
    }
    
    return 0;
}