Software testing and quality assurance _ a question about date

Code:

1. /*
2. A question from the software testing and quality assurance INSTRUCTOR:
3. Enter the year, month, and day (the year value is divided into [1600,210], and the result is: the day of the last day, the next day, the day of the week,
4. How many days is the difference between the date of birth and the date of birth? Is it a leap year, and the day is the day of the year?
5. // The program is basically completed, and the input range is limited.
6. */
7. # Include <stdio. h>
8. # Include <iostream>
9. # Include <string>
10. # Include <string. h>
11. Using namespace STD;
13. // Statement
14. Int upanddown (INT year, int month, int Day );
15. Int isleap (INT year );
16. Int dateweek (INT year, int month, int Day );
17. Int days (INT year, int month, int Day );
18. Int birthdaytime (INT year, int month, int Day );
20. // Calculate the previous day and the next day
21. Int upanddown (INT year, int month, int Day)
22. {
23. Int array [13] = {, 31, 31 };
24. If (month = 12 & day = 31) // the last day of the year
25. {
26. Printf ("Last Day: % d-% 02d-% 02d/N", year, month, day-1 );
27. Printf ("the next day is: % d-% 02d-% 02d/N", year +, 01 );
28. }
29. Else if (month = 1 & day = 1) // the first day of the year
30. {
31. Printf ("Last Day: % d-% 02d-% 02d/N", year-1 );
32. Printf ("the next day is: % d-% 02d-% 02d/N", year, month, day + 1 );
33. }
34. Else if (month! = 12 & day = array [month]) // the last day of the month
35. {
36. Printf ("Last Day: % d-% 02d-% 02d/N", year, month, day-1 );
37. Printf ("the next day is: % d-% 02d-% 02d/N", year, month + );
38. }
39. Else if (month! = 1 & day = 1) // the first day of the month
40. {
41. If (month = 3 & isleap (year) = 1)
42. {
43. Printf ("Last Day: % d-% 02d-% 02d/N", year, month-1, 29 );
44. }
45. Else
46. {
47. Printf ("Last Day: % d-% 02d-% 02d/N", year, month-1, array [month-1]);
48. }
49. Printf ("the next day is: % d-% 02d-% 02d/N", year, month, day + 1 );
50. }
51. Else // normal
52. {
53. Printf ("Last Day: % d-% 02d-% 02d/N", year, month, day-1 );
54. Printf ("the next day is: % d-% 02d-% 02d/N", year, month, day + 1 );
55. }
56. Return 0;
57. }
60. // Determine whether it is a leap year
61. Int isleap (INT year)
62. {
63. If (Year % 4 = 0 & amp; Year % 100! = 0 | year % 400 = 0)
64. {
65. // Cout <"this year is a leap year! "<Endl;
66. Return true;
67. }
68. Else
69. {
70. // Cout <"this year is a normal year! "<Endl;
71. Return false;
72. }
73. }
76. // Determine the current day of the week
77. Int dateweek (INT year, int month, int Day)
78. {
79. Int Week;
80. // String weekday [8] = {"error", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday ", "Sunday "};
81. If (month = 1 | month = 2 ){
82. Year-= 1;
83. Month + = 12;
84. }
85. Week = (day + 1 + 2 * month + 3 * (month + 1)/5 + year + (Year/4)-year/100 + year/400) % 7;
86. Switch (week)
87. {
88. Case 1: printf ("% d-% 02d-% 02d is Monday! /N ", year, month, day); break;
89. Case 2: printf ("% d-% 02d-% 02d is Tuesday! /N ", year, month, day); break;
90. Case 3: printf ("% d-% 02d-% 02d is Wednesday! /N ", year, month, day); break;
91. Case 4: printf ("% d-% 02d-% 02d is Thursday! /N ", year, month, day); break;
92. Case 5: printf ("% d-% 02d-% 02d is Friday! /N ", year, month, day); break;
93. Case 6: printf ("% d-% 02d-% 02d is Saturday! /N ", year, month, day); break;
94. Case 7: printf ("% d-% 02d-% 02d is Sunday! /N ", year, month, day); break;
95. Default: cout <"error! "<Endl; break;
96. }
97. Return Week;
98. }
99. // Calculate the day of the year
100. Int days (INT year, int month, int Day)
101. {
102. Int array [13] = {, 31, 31 };
103. Int days = 0;
104. If (isleap (year) = 1)
105. {
106. Array [2] = 29;
107. }
108. Else
109. {
110. Array [2] = 28;
111. }
113. For (INT I = 1; I <month; I ++)
114. {
115. Days + = array [I];
116. }
117. Days + = Day;
118. Return days;
119. }
121. // Calculate the difference between the date you entered and your date of birth
122. Int birthdaytime (INT year, int month, int Day)
123. {
124. Int resultday = 0;
125. Int day1 = 0, day2 = 0, day3 = 0, I;
126. Int birthyear, birthmonth, birthday;
127. Cout <"Enter your birthday date:" <Endl;
128. Scanf ("% d-% d", & birthyear, & birthmonth, & birthday );
129. // If the year and month are the same, the absolute value of the number of days is directly subtracted.
130. If (year = birthyear & month = birthmonth)
131. {
132. Resultday = (day> birthday )? (Day-birthday) :( birthday-day );
133. }
134. // If the year is the same and the month is different, it is the day of the year, and then subtract the absolute value.
135. Else if (year = birthyear & month! = Birthmonth)
136. {
137. Day1 = days (year, month, day );
138. Day2 = days (birthyear, birthmonth, birthday );
140. Resultday = (day1> day2 )? (Day1-Day2) :( Day2-Day1 );
141. }
142. Else // If the year and month are different, then resultday = the number of days from the end of the year, the number of days in the year, and the number of days in the whole year
143. {
144. If (year <birthyear)
145. {
146. // Calculate the number of days from the end of the year.
147. If (isleap (year) = 1)
148. {
149. Day1 = 366-days (year, month, day );
150. }
151. Else
152. {
153. Day1 = 365-days (year, month, day );
154. }
155. // Number of days in the year
156. Day3 = days (birthyear, birthmonth, birthday );
157. // Calculate the number of days separated by the whole year
158. For (I = year + 1; I <birthday; I ++)
159. {
160. If (isleap (I) = 1)
161. {
162. Day2 ++ = 366;
163. }
164. Else
165. Day2 ++ = 365;
166. }
167. Resultday = day1 + day2 + day3;
168. }
169. Else
170. {
171. // Calculate the number of days from the end of the year.
172. If (isleap (birthyear) = 1)
173. {
174. Day1 = 366-days (birthyear, birthmonth, birthday );
175. }
176. Else
177. {
178. Day1 = 365-days (birthyear, birthmonth, birthday );
179. }
180. // Number of days in the year
181. Day3 = days (year, month, day );
182. // Calculate the number of days separated by the whole year
183. For (I = birthyear + 1; I <year; I ++)
184. {
185. If (isleap (I) = 1)
186. {
187. Day2 ++ = 366;
188. }
189. Else
190. Day2 ++ = 365;
191. }
192. Resultday = day1 + day2 + day3;
194. }
195. }
196. Printf ("% d-% 02d-% 02d the number of days between your date of birth % d-% 02d-% 02d is % d. /n ", year, month, day, birthyear, birthmonth, birthday, resultday );
197. Return resultday;
198. }
200. Int main (void)
201. {
202. Int year, month, day;
203. Cout <"Enter year, month, and day in MM-MM-MM format! "<Endl;
204. Scanf ("% d-% d", & year, & month, & Day );
206. Upanddown (year, month, day );
208. If (isleap (year) = 1)
209. {
210. Printf ("% d is a leap year! /N ", year );
211. }
212. Else
213. {
214. Printf ("% d Year is normal year! /N ", year );
215. }
217. Dateweek (year, month, day );
219. Printf ("% d-% 02d-% 02d is % d day of % d. /N ", year, month, day, year, days (year, month, day ));
221. Birthdaytime (year, month, day );
223. Return 0;
224. }