Renable day22 build script

Author: EbbDrop

build.rs

@@ -225,34 +225,8 @@ fn write_day21() {
     file.write_all(&lut).unwrap();
 }
 
-// fn write_day22() {
-//     const MAX: u32 = 16777216;
-
-//     let mut lut = Vec::with_capacity(MAX as usize);
-
-//     for i in 0..MAX {
-//         let mut sn = i as u32;
-//         for _ in 0..2000 {
-//             sn = ((i * 64) % MAX) ^ i;
-//             sn = (sn / 32) ^ sn;
-//             sn = ((sn * 2048) % MAX) ^ sn;
-//         }
-
-//         lut[i as usize] = sn;
-//     }
-
-//     let mut path = PathBuf::from(std::env::var("OUT_DIR").unwrap());
-//     path.push("day22.bin");
-//     let mut file = File::create(path).unwrap();
-
-//     let lut: [u8; 4 * MAX as usize] = unsafe { transmute(lut) };
-
-//     file.write_all(&lut).unwrap();
-// }
-
 fn main() {
     println!("cargo::rerun-if-changed=build.rs");
 
-    // write_day21();
-    // write_day22();
+    write_day21();
 }

src/day22.rs

@@ -120,19 +120,6 @@ pub fn part2(s: &str) -> i16 {
             }
             done.fill(false);
         }
-        // println!(
-        //     "{},{},{},{}",
-        //     (((current_best_i >> 15) & 0x1F) as i16) - 9,
-        //     (((current_best_i >> 10) & 0x1F) as i16) - 9,
-        //     (((current_best_i >> 05) & 0x1F) as i16) - 9,
-        //     (((current_best_i >> 00) & 0x1F) as i16) - 9,
-        // );
-        // println!("{}\n", sequences[current_best_i as usize]);
-
-        // println!(
-        //     "{}",
-        //     sequences[((-2 + 9) << 15 | (1 + 9) << 10 | (-1 + 9) << 05 | (3 + 9) << 00) as usize]
-        // );
     }
 
     current_best