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nkostic/sakomoto_day_of_the_week.java

Created August 8, 2016 06:51
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Tomohiko Sakamoto's Algorithm
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sakomoto_day_of_the_week.java
int dow(int y, int m, int d) {
static int t[] = {0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4};
y -= m < 3;
return (y + y/4 - y/100 + y/400 + t[m-1] + d) % 7;
}
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