수능 dday

#include "헤더.h"
int dday()
{
	int recursive = 1;
	while (recursive)
	{
		system("cls");
		suneong_1();
		Sleep(500);
		system("cls");
		FILE* fpdday;
		int i = 0, j = 0, f = 0, file = 0;
		char suneong[MAX], date[MAX], fdelete1[MAX];
		int year = 0, month = 0, day = 0, tmp = 0, sum = 0, syear = 1, smonth = 0, sday = 1, fsave = 0, fdelete = 100, interchoose;// 2021-11-06
		int f1[MAX], f2[MAX], f3[MAX], f4[MAX], f5[MAX], f6[MAX], f7[MAX], s1, s2, s3, s4, s5, s6, s7;
		const char s2022[MAX] = "2021-11-18";
		const char s2023[MAX] = "2022-11-17";
		const char s2024[MAX] = "2023-11-16";
		const char s2025[MAX] = "2024-11-14";
		time_t timer = 0;
		struct tm t;
		timer = time(NULL);
		localtime_s(&t, &timer);
		printf("수능 D-Day\n");
		printf("오늘은 %d년 %d월 %d일입니다.\n", t.tm_year + 1900, t.tm_mon + 1, t.tm_mday);
		suneong_2();
		scanf_s("%d", &interchoose);
		system("cls");
		if (interchoose == 1)
		{
			fopen_s(&fpdday, "savedday.txt", "r");
			if (fpdday == NULL)
			{
				데이터x();
			}
			else
			{
				데이터o();
				while (fpdday != NULL && fscanf_s(fpdday, "%d %d %d %d %d %d %d", &f1[fsave], &f2[fsave], &f3[fsave], &f4[fsave], &f5[fsave], &f6[fsave], &f7[fsave]) != EOF)
				{
					fsave++;
				}
				fclose(fpdday);
				if (fpdday != NULL)
				{
					while (1)
					{
						printf("■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■\n\n");
						for (f = 0; f < fsave; f++)
						{
							file = f + 1;
							printf("#%d: %d년 %d월 %d일 부터 %d년 수능까지 %d년 %d월 %d일 남았었습니다.\n", file, f1[f], f2[f], f3[f], f4[f], f5[f], f6[f], f7[f]);
							printf("---------------------------------------------------------------------\n\n");
						}
						printf("■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■\n\n");
						printf("삭제하고 싶은 데이터가 있으시면 해당 데이터의 넘버를 눌러주세요(없으면 0):");
						scanf_s("%s", fdelete1, MAX);
						system("cls");
						tmp = 0; i = 0;
						while (fdelete1[i] != '\0')
						{
							tmp = tmp * 10 + (int)(fdelete1[i] - 48);
							i++;
						}
						if (tmp <= fsave && tmp >= 0)
						{
							break;
						}
					}
					fdelete = tmp;
					tmp = 0, i = 0;

				}
				if (fdelete != 0 && fpdday != NULL)
				{
					fdelete--;
					fopen_s(&fpdday, "savedday.txt", "w");
					for (f = 0; f < fdelete; f++)
					{
						fprintf(fpdday, "%d %d %d %d %d %d %d \n", f1[f], f2[f], f3[f], f4[f], f5[f], f6[f], f7[f]);
					}
					for (f = fdelete + 1; f < fsave; f++)
					{
						fprintf(fpdday, "%d %d %d %d %d %d %d \n", f1[f], f2[f], f3[f], f4[f], f5[f], f6[f], f7[f]);
					}
					fclose(fpdday);
				}
			}
			system("pause");
			system("cls");
			continue;
		}
		if (interchoose == 2)
		{
			몇학년도수능();
			scanf_s("%s", suneong, 9);
			system("cls");
			if (strcmp(suneong, "exit") == 0)
			{
				continue;
			}
			if (strcmp(suneong, "2025") > 0)
			{
				printf("수능 예정일이 정해지지 않았습니다.\n\n");
				system("pause");
				continue;
			}
			if (strcmp(suneong, "2022") < 0)
			{
				이미지나간수능날짜();
				system("pause");
				continue;
			}
			if (strcmp(suneong, "2022") == 0)
			{
				while (s2022[j] != '-')
				{
					tmp = tmp * 10 + (int)(s2022[j] - 48);
					j++;
				}
			}
			if (strcmp(suneong, "2023") == 0)
			{
				while (s2023[j] != '-')
				{
					tmp = tmp * 10 + (int)(s2023[j] - 48);
					j++;
				}
			}
			if (strcmp(suneong, "2024") == 0)
			{
				while (s2022[j] != '-')
				{
					tmp = tmp * 10 + (int)(s2024[j] - 48);
					j++;
				}
			}
			if (strcmp(suneong, "2025") == 0)
			{
				while (s2022[j] != '-')
				{
					tmp = tmp * 10 + (int)(s2025[j] - 48);
					j++;
				}
			}
			year = tmp - (t.tm_year + 1900);
			month = 11 - (t.tm_mon + 1);
			tmp = 0;
			int mmon = (t.tm_mon + 1);
			if (strcmp(suneong, "2022") == 0)
			{
				j = 8;
				while (s2022[j] != '\0')
				{
					tmp = tmp * 10 + (int)(s2022[j] - 48);
					j++;
				}
				if (tmp < t.tm_mday)
				{
					month--;
					day = 31 - t.tm_mday;
					day = day + tmp;
				}
				else
				{
					day = tmp - t.tm_mday;
				}
			}
			else if (strcmp(suneong, "2023") == 0)
			{
				j = 8;
				while (s2023[j] != '\0')
				{
					tmp = tmp * 10 + (int)(s2023[j] - 48);
					j++;
				}
				if (tmp < t.tm_mday)
				{
					month--;
					day = 31 - t.tm_mday;
					day = day + tmp;
				}
				else
				{
					day = tmp - t.tm_mday;
				}
			}
			else if (strcmp(suneong, "2024") == 0)
			{
				j = 8;
				while (s2024[j] != '\0')
				{
					tmp = tmp * 10 + (int)(s2024[j] - 48);
					j++;
				}
				if (tmp < t.tm_mday)
				{
					month--;
					day = 31 - t.tm_mday;
					day = day + tmp;
				}
				else
				{
					day = tmp - t.tm_mday;
				}
			}
			else if (strcmp(suneong, "2025") == 0)
			{
				j = 8;
				while (s2025[j] != '\0')
				{
					tmp = tmp * 10 + (int)(s2025[j] - 48);
					j++;
				}
				if (tmp < t.tm_mday)
				{
					month--;
					day = 31 - t.tm_mday;
					day = day + tmp;
				}
				else
				{
					day = tmp - t.tm_mday;
				}
			}
			if (month < 0)
			{
				year--;
				month = 12 + month;
			}
			if (year < 0)
			{
				이미지나간수능날짜();
			}
			else
			{
				tmp = 0;
				i = 0;
				while (suneong[i] != '\0')
				{
					tmp = tmp * 10 + (int)(suneong[i] - 48);
					i++;
				}
				s1 = t.tm_year + 1900;
				s2 = t.tm_mon + 1;
				s3 = t.tm_mday;
				s4 = tmp;
				s5 = year;
				s6 = month;
				s7 = day;
				얼마나남았습니다(year, month, day);
				데이터저장여부();
				scanf_s("%d", &fsave);
				fopen_s(&fpdday, "savedday.txt", "a");
				if (fsave == 1)
				{
					fprintf(fpdday, "%d %d %d %d %d %d %d \n", s1, s2, s3, s4, s5, s6, s7);
				}
				fclose(fpdday);
			}
			system("pause");
			continue;
		}
		if (interchoose == 3)
		{
			임의의날짜입력();
			scanf_s("%s", date, MAX);
			while (strcmp(date, "exit") != 0)
			{
				tmp = 0;
				for (i = 0; i < 4; i++)
				{
					tmp = tmp * 10 + (int)(date[i] - 48);
				}
				year = tmp;
				tmp = 0;
				for (i = 5; i < 7; i++)
				{
					tmp = tmp * 10 + (int)(date[i] - 48);
				}
				month = tmp;
				tmp = 0;
				for (i = 8; i < 10; i++)
				{
					tmp = tmp * 10 + (int)(date[i] - 48);
				}
				day = tmp;
				if (date[0] > '2' || date[1] > '0' || date[2] > '2' || date[3] > '6' || date[5] > '1' || date[8] > '3' || date[4] != '-' || date[7] != '-')
				{
					이상한날짜();
					scanf_s("%s", date, MAX);
					continue;
				}
				else if (month > 12)
				{
					이상한날짜();
					scanf_s("%s", date, MAX);
					continue;
				}
				else if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 || month == 12)
				{
					if (day > 31)
					{
						이상한날짜();
						scanf_s("%s", date, MAX);
						continue;
					}
				}
				else if (month == 4 || month == 6 || month == 9 || month == 11)
				{
					if (day > 30)
					{
						이상한날짜();
						scanf_s("%s", date, MAX);
						continue;
					}
				}
				else if (month == 2)
				{
					if (day > 28)
					{
						이상한날짜();
						scanf_s("%s", date, MAX);
						continue;
					}
				}
				break;
			}
			if (strcmp(date, "exit") == 0)
			{
				continue;
			}
			s1 = year;
			s2 = month;
			s3 = day;
			몇학년도수능();
			scanf_s("%s", suneong, MAX);
			system("cls");
			if (strcmp(suneong, "exit") == 0)
			{
				continue;
			}
			if (strcmp(suneong, "2025") > 0)
			{
				printf("수능 예정일이 아직 정해지지 않았습니다.");
				system("pause");
				continue;
			}
			if (strcmp(suneong, "2022") < 0)
			{
				이미지나간수능날짜();
				system("pause");
				continue;
			}
			tmp = 0;
			i = 0;
			while (suneong[i] != '\0')
			{
				tmp = tmp * 10 + (int)(suneong[i] - 48);
				i++;
			}
			s4 = tmp;
			i = 0;
			j = 0;
			tmp = 0;
			while (s2022[j] != '-')
			{
				tmp = tmp * 10 + (int)(s2022[j] - 48);
				j++;
			}
			year = tmp - s1;
			month = 11 - s2;
			tmp = 0;
			j = 8;
			if (strcmp(suneong, "2022") == 0)
			{
				while (s2022[j] != '\0')
				{
					tmp = tmp * 10 + (int)(s2022[j] - 48);
					j++;
				}
				day = tmp - s3;
			}
			else if (strcmp(suneong, "2023") == 0)
			{
				year++;
				while (s2023[j] != '\0')
				{
					tmp = tmp * 10 + (int)(s2023[j] - 48);
					j++;
				}
				day = tmp - s3;
			}
			else if (strcmp(suneong, "2024") == 0)
			{
				year = year + 2;
				while (s2024[j] != '\0')
				{
					tmp = tmp * 10 + (int)(s2024[j] - 48);
					j++;
				}
				day = tmp - s3;
			}
			else if (strcmp(suneong, "2025") == 0)
			{
				year = year + 3;
				while (s2025[j] != '\0')
				{
					tmp = tmp * 10 + (int)(s2025[j] - 48);
					j++;
				}
				day = tmp - s3;
			}
			if (day < 0)
			{
				month--;
				day = 31 + day;
			}
			if (month < 0)
			{
				year--;
				month = 12 + month;
			}
			if (year < 0)
			{
				이미지나간수능날짜();
			}
			else
			{
				얼마나남았습니다(year, month, day);
				s5 = year;
				s6 = month;
				s7 = day;
				데이터저장여부();
				scanf_s("%d", &fsave);
				fopen_s(&fpdday, "savedday.txt", "a");
				if (fsave == 1)
				{
					fprintf(fpdday, "%d %d %d %d %d %d %d \n", s1, s2, s3, s4, s5, s6, s7);
				}
				if (fpdday != NULL)
				{
					fclose(fpdday);
				}
			}
			system("pause");
			system("cls");
			continue;
		}
		if (interchoose == 4)
		{
			system("cls");
			printf("메인 화면으로 가는 중...");
			Sleep(500);
			break;
		}
	}
	return 0;
}