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Add day 1 part 2 docstring.

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Bill Thiede 2020-12-02 09:05:47 -08:00
parent 3e9ddce254
commit bd6ca419e4
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2020/src/bin/day1.rs
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@ -22,6 +22,13 @@
//! In this list, the two entries that sum to 2020 are 1721 and 299. Multiplying them together produces 1721 * 299 = 514579, so the correct answer is 514579.
//!
//! Of course, your expense report is much larger. Find the two entries that sum to 2020; what do you get if you multiply them together?
//!
//! -- Part Two ---
//! The Elves in accounting are thankful for your help; one of them even offers you a starfish coin they had left over from a past vacation. They offer you a second one if you can find three numbers in your expense report that meet the same criteria.
//!
//! Using the above example again, the three entries that sum to 2020 are 979, 366, and 675. Multiplying them together produces the answer, 241861950.
//!
//! In your expense report, what is the product of the three entries that sum to 2020?
use std::fs::File;
use std::io::{BufRead, BufReader};