Created
December 15, 2017 22:27
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Rust code shared from the playground
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const _INPUT: &str = "3,4,1,5"; | |
const INPUT: &str = "63,144,180,149,1,255,167,84,125,65,188,0,2,254,229,24"; | |
const SIZE: usize = 256; | |
fn main() { | |
let mut circle: Vec<usize> = (0..SIZE).collect(); | |
let mut pos = 0; | |
let mut skip_size = 0; | |
for length in INPUT.split(',').map(|n| n.parse::<usize>().unwrap()) { | |
for i in 0..length / 2 { | |
circle.swap((pos + i) % SIZE, (pos + length - 1 - i) % SIZE); | |
} | |
pos += length + skip_size; | |
skip_size += 1; | |
} | |
println!("{}", circle[0] * circle[1]); | |
} |
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