編寫(xiě)程序完成計(jì)算。
數(shù)列表達(dá)式s=1+1/2+1/3+1/4+……+1/n,當(dāng)n=10時(shí)，求s的近似值。
慕桂英6144726
2018-03-08
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2018-03-10
//超簡(jiǎn)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; }2018-03-09
簡(jiǎn)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(shù)
??printf("%1.6f", sum);//輸出小數(shù)點(diǎn)后六位
?}
2018-03-09
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(shù)組
????sum += a[i];
???}
???//printf("%1.0f", sum);//輸出整數(shù)
???printf("%1.6f", sum);//輸出小數(shù)點(diǎn)后六位
??}