#include“stdio.h“
#include“string.h“
#define?N?10
int?NUM;
char?Orin[100]OUT[100];
long?double?encode;
typedef?struct?
{
???????char?c;
???????long?double?Chance;
???????long?double?SumCh;
???????
}CO;
CO?code[N];
void?Encode（char?s[]CO?code[]）;
void?Decode（?char?s[]CO?code[]int?n）;
main（）
{
??????int?i;
??????printf（“請輸入碼源數目:“）;
??????scanf（“%d“&NUM）;
??????for（i=0;i??????{
??????
		??printf（“請輸入碼源:“）;
		??getchar（）;
		??scanf（“%c“&code[i].c）;??????
		??printf（“請輸入碼源%c的發生概率:“code[i].c）;
??????	??scanf（“%lf“&code[i].Chance）;?????
		??for（int?j=0;j		??{????????
			??code[i].SumCh+=code[j].Chance;?
			??
		??}
		??printf（“%.10lf\n“code[i].SumCh）;
????????????????????????
	??}??????
??????printf（“請輸入需要編碼的字符串：“）;
??????scanf（“%s“Orin）;
??????Encode（Orincode）;
	??Decode（OUTcodestrlen（Orin））;
?}
??????
??????
??????void?Encode（char?s[]CO?code[]）
??????{
???????????int?countij;
		???long?double?highlow;
???????????count=strlen（s）;
???????????for（i=0;i???????????{??????????
			???for（j=0;j			???{								???
				???if（s[i]==code[j].c&&i==0）??????????????????????????????????????????????????????????????????????????????????????????								??									???
					?{									?										???						??
					???low=code[j].SumCh;????????????????????????????????????
					???high=code[j].SumCh+code[j].Chance;?
					???printf（“%.10lf????????