#include <stdio.h>
int main()
{
??? double arr[]={1.78, 1.77, 1.82, 1.79, 1.85, 1.75, 1.86, 1.77, 1.81, 1.80};
??? int i,j;
??? printf("\n************排隊前*************\n");
??? for(i=0;i<10;i++)
??? {
??????? if(i != 9)??
??????????? printf("%.2f, ", arr[i]);? //%.2f表示小數點后精確到兩位
??????? else
??????????? printf("%.2f", arr[i]);??? //%.2f表示小數點后精確到兩位
??? }
??? for(i=8; i>=0; i--)
??? {
??????? for(j=0;j<=i;j++)
??????? {
??????????? if( arr[j]>arr[j+1]???? )????? //當前面的數比后面的數大時
??????????? {
??????????????? double temp;??? //定義臨時變量temp
??????????????? temp=arr[j];
??? ??arr[j]=arr[j+1];
??? ??arr[j+1]=temp;???? //將前面的數賦值給temp
???????????????????????????? //前后之數顛倒位置
???????????????????????????? //將較大的數放在后面???
??????????? }????????????????
??????? }???????????????
??? }
??? printf("\n************排隊后*************\n");
??? for(i=0;i<10;i++)
??? {
??????? if(i != 9)??
??????????? printf("%.2f, ", arr[i]);? //%.2f表示小數點后精確到兩位????
??????? else
??????????? printf("%.2f", arr[i]);??? //%.2f表示小數點后精確到兩位
??? }
??? return 0;???
}