根据日期计算是周几-创新互联
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void main() { int year; int month; int day;
printf("calculate Weekday of input date! ");
printf("year:"); scanf("%d", &year);
printf("month:"); scanf("%d", &month);
printf("day:"); scanf("%d", &day);
char weekdays[][4] = { "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"};
if (month == 1 || month == 12) { year--; month += 12; }
int index = (day + 2 * month + 3 * (month + 1) / 5 + year + year / 4 - year / 100 + year / 400) % 7; printf("%d-%d-%d: %s ", year, month, day, weekdays[index]); }
当前标题:根据日期计算是周几-创新互联
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void main() { int year; int month; int day;
printf("calculate Weekday of input date! ");
printf("year:"); scanf("%d", &year);
printf("month:"); scanf("%d", &month);
printf("day:"); scanf("%d", &day);
char weekdays[][4] = { "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"};
if (month == 1 || month == 12) { year--; month += 12; }
int index = (day + 2 * month + 3 * (month + 1) / 5 + year + year / 4 - year / 100 + year / 400) % 7; printf("%d-%d-%d: %s ", year, month, day, weekdays[index]); }
当前标题:根据日期计算是周几-创新互联
分享URL:http://myzitong.com/article/coposg.html