/*
求分数序列：2，3/2,5/3,8/5,13/8......的前50项的和
分子：numerator，分母：denominator
*/
#include<stdio.h>
float sum(int n)
{
float numer =1.0;
float denom =1.0;
float sum = 0.0;
float temp = 0.0;
for(int i =1;i <= 50;i++)
{
temp = denom;
denom = numer;
numer = numer+temp;
sum += numer/denom;
}
return sum;
}
int main()
{
printf/**/("2+3/2+5/3+8/5+...+..=%f\n",sum(50));
return 1;
}
