//超簡版
float?add(int?a){
????float?sum=0;
????for(float?i=1.0;i<=10.0;i++){
????????sum+=1/i;
????}
????return?sum;
}
int?main()
{
????printf("%f\n",add(10));
????return?0;
}

簡化版

int a();
?{
??float sum = 0;
??int?i=0;
??float a[10] = { 1,2,3,4,5,6,7,8,9,10 };
??while( i <= 9)
??{
???a[i] = 1 / a[i];
???sum += a[i];
???i++;
??}
??//printf("%1.0f", sum);//輸出整數
??printf("%1.6f", sum);//輸出小數點后六位
?}

int a();
??{
???float sum = 0;
???float a[10] = { 1,2,3,4,5,6,7,8,9,10 };
???for (int i = 0; i <= 9; i++)
???{
????a[i] = 1/a[i] ;
???}
???
???for (int i = 0; i < 10; i++)
???{
????printf("%1.6f\n", a[i]);//遍歷數組
????sum += a[i];
???}
???//printf("%1.0f", sum);//輸出整數
???printf("%1.6f", sum);//輸出小數點后六位
??}