antiDayDifference method
Implementation
int antiDayDifference(int y, int d) {
int x = d;
int m = 1;
for (int j = 1; j <= 12; j++) {
int mL = dayDifference(y, (j + 1), 1) - dayDifference(y, j, 1);
if ((x <= mL) || j == 12) {
m = j;
break;
} else {
x = x - mL;
}
}
return 100 * m + x;
}