From 62a671bc5a77a1a0f5b82722de55c351cd991d2f Mon Sep 17 00:00:00 2001
From: Sebastian Tobie <sebastian@sebastian-tobie.de>
Date: Tue, 17 Dec 2024 22:16:01 +0100
Subject: [PATCH] no real progress with day 17

---
 days/2024/17.rs      | 30 ++++++++++++++++++++----------
 examples/2024/17.txt |  5 +++++
 2 files changed, 25 insertions(+), 10 deletions(-)
 create mode 100644 examples/2024/17.txt

diff --git a/days/2024/17.rs b/days/2024/17.rs
index 7260127..e70cd18 100644
--- a/days/2024/17.rs
+++ b/days/2024/17.rs
@@ -1,7 +1,7 @@
 use advent_of_code::strings::{convert_to_array, parsenumber};
 #[allow(unused_imports)]
 use advent_of_code_macros::{include_data, include_example};
-use log::debug;
+use log::*;
 use thousands::Separable;
 
 include_data!(DATA 2024 17);
@@ -92,6 +92,14 @@ impl GenericCPU {
             _ => unreachable!(),
         }
     }
+
+    fn reset(&mut self) {
+        self.a = 0;
+        self.b = 0;
+        self.c = 0;
+        self.pos = 0;
+        self.output.clear();
+    }
 }
 
 fn get_content(i: &str) -> String {
@@ -129,22 +137,24 @@ fn main() {
     let output = mem.output.iter().map(|x| x.to_string()).collect::<Vec<_>>().join(",");
     println!("output: {}", output);
     let mut n: u64 = 0;
-    'numloop: for (pos, num) in mem.ops.iter().cloned().enumerate().map(|(x, y)| (x * 3, y)) {
-        for i in 0..8 {
-            if round(i) == num {
-                println!("Adding {:>18}, the source of {}", i, num);
+    'numloop: for (pos, num) in mem.ops.iter().enumerate().map(|(x, y)| (x * 3, *y)).rev() {
+        for i in 0..64 {
+            println!("Testing round({}) == {}", ((n >> pos) + i).separate_with_underscores(), num);
+            if round((n >> pos) + i) == num {
+                println!("Adding {}, the source of {}", i, num);
                 n += i << pos;
                 continue 'numloop;
             }
         }
         println!("Not Possible to find equivalent of {}", num);
     }
-    println!("Testing {}", n);
+    println!("Testing {}", format!("{:018b}", n).separate_with_dots());
+    if n >= 48331947862051 {
+        println!("Failed");
+        return;
+    }
+    mem.reset();
     mem.a = n;
-    mem.b = 0;
-    mem.c = 0;
-    mem.pos = 0;
-    mem.output.clear();
     mem.generic_process();
     if mem.output == mem.ops {
         println!("A: {n}")
diff --git a/examples/2024/17.txt b/examples/2024/17.txt
new file mode 100644
index 0000000..4a91c26
--- /dev/null
+++ b/examples/2024/17.txt
@@ -0,0 +1,5 @@
+Register A: 2024
+Register B: 0
+Register C: 0
+
+Program: 0,3,5,4,3,0