/*?Sample?Solution?to?COMP20005?Assignment?1??2018s1.
*/

#include?
#include?
#include?

#define?NGRPS?3?/*?input?data?is?split?into?NGRPS*/
#define?MAXDAYS?10000?/*input?data?covre?max?days*/

const?int?MONTH[13]?=?{?0312831303130313130313031?};
/*struct?define*/
typedef?struct
{
	int?yy;
	int?mm;
	int?dd;
	int?day;
}Date;
typedef?struct
{
	Date?date;
	int??daycount;
}data;
/*?function?prototypes?*/
int?leapyear（int?year）;	
int?days_diff（Date?beg?Date?end）;
int?print_date（Date?val）;
void?print_data（data?d）;
data?get_data（FILE?*?in）;
int?mygetchar（）;
void?printf_month（int?yearint?monthint?nint?sum）;
void?print_group（data?*g?int?size）;
print_week（int?weeki?float*?ave?int?i）;
void?ave_week（data?*g?int?sizefloat?*?ave）;
/*?main?program?binds?it?all?together
*/
int?main（）
{
	/*?storage?for?all?of?the?input?data?*/
	data?data_array[MAXDAYS];
	int?data_size?=?0;	/*the?size?of?data_array*/
	FILE?*fin?=?fopen（“pedestrians-melbcent-full.tsv“?“r“）;

	/*skip?first?and?second?line*/
	char?*s?=?（char*）malloc（1000）;
	fgets（s1000fin）;
	fgets（s?1000fin）;

	/*read?data*/
	while?（1）
	{
		data?in;
		in?=?get_data（fin）;
		if?（in.daycount?			break;
		data_array[data_size++]?=?in;
	}
	/*Stage?1*/
	printf（“S1:?total?data?lines?=?%d?days\n“?data_size?）;
	printf（“S1:?first?data?line??=?“）;?print_data（data_array[0]）;
	printf（“S1:?first?data?line??=?“）;?print_data（data_array[data_size-1]）;
	printf（“\n“）;
	/*Stage?2*/
	int?days?=?days_diff（data_array[0].date?data_array[data_size?-?1].date）;
	printf（“S2:?range?spanned????=?%d?days\n“days?）;
	printf（“S2:?coverage?ratio???=?%2.1f%%\n“?（float）data_size/days*100）;
	printf（“\n“）;
	/*Stage?3*/
	for?（int?year?=?data_array[0].date.yy?i=0;?year?<=?data_array[data_size?-?1].date.yy;++year）
	{
		for?（int?month?=?data_array[i].date.mm;?data_array[i].date.yy?==?year?&&?i?		{			
			int?sum=0n=0;
			for?（int?day?=?data_array[i].date.dd;?data_array[i].date.mm?==?month?&&i			{
				sum?+=?data_array[i].daycount;
				++n;
			}
			printf_month（year?month?n?sum）;
		}
	}
	printf（“\n“）;
	/*Stage?4*/
	int?group_size?=?data_size?/?NGRPS;
	int?remainder?=?data_size%NGRPS;
	/*split?into?NGRPS?near-equal?sized?*/
	data?*group[NGRPS];		/*store?first?address?of?every?group*/
	int?groupsize[NGRPS];	/*store?the?size?of?every?group*/
	for?（int?i?=?0pos=0;?i?	{		
		int?size?=?groupsize[i]?=?group_size?+?（（NGRPS?-?remainder?<=?i）???1?:?0）;
		data?*group_i?=?（data*）malloc（sizeof（data）*（size））;				//記得free!
		for?（int?j=0;j			group_i[j]?=?data_array[pos];
		group[i]?=?group_i;
	}
	/*print?groups‘s?information*/
	for?（int?i?=?0;?i?	{
		printf（“S4:?group?%d?data?“?i）;
		print_group（group[i]?groupsize[i]）;
	}
	printf（“\n“）;
	/*calaulate?and?store?average?of?days*/
	float?*group_days_ave[NGRPS];/*

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????6018??2018-04-25?22:13??main.c
?????文件?????????303??2018-04-25?22:20??readme.txt