- #36
- 9,568
- 775
cronuscronus said:I think part d has an error.
We need to calculate (A to B * B to D) - (B to C * C to D), which equals
(35*3003) - (21*56)
105105 - 1176 = 103,929
That is ALMOST correct. Think about what the 35 should multiply.
cronuscronus said:I think part d has an error.
We need to calculate (A to B * B to D) - (B to C * C to D), which equals
(35*3003) - (21*56)
105105 - 1176 = 103,929
cronuscronus said:It looks like we need to calculate (A to B * B to D) - (B to C * C to D * A to B)
so
(35*3003)-(21*56*35) = 63,945 routes for part d.