days 16 through 19 i think

day16/.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

day16/.idea/day16.iml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="EMPTY_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <excludeFolder url="file://$MODULE_DIR$/target" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

day16/.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/day16.iml" filepath="$PROJECT_DIR$/.idea/day16.iml" />
+    </modules>
+  </component>
+</project>

day16/.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>

day16/src/main.rs

@@ -34,21 +34,7 @@ fn main() {
     }
 
     //print_map(&g);
-
-    let visited = &mut HashSet::<Record>::new();
-    trace(&g, visited, 0,0, 1,0);
-
-
-    let mut sum = 0;
-    for (x, y, _, _) in visited.iter() {
-        if v[*y as usize][*x as usize] == '#' {
-            continue;
-        }
-        v[*y as usize][*x as usize] = '#';
-        sum += 1
-    }
-
-    //print_map(&v);
+    let sum = count(&g, (0,0,1,0));
     println!("totally marked off {sum} locations when entering from the upper left going right");
 
     let mut maximum = 0;
@@ -60,19 +46,16 @@ fn main() {
     }
 
     for y in 0..g.len() {
-        let from_the_left = count(&g, 
-            (0, y as i32, 
-                1, 0));
+        let from_the_left = count(&g, (0, y as i32, 1, 0));
         if from_the_left > maximum { maximum = from_the_left; }
-        let from_the_right = count(&g, 
-            (g[0].len() as i32, y as i32, 
-                -1, 0));
+        let from_the_right = count(&g, (g[0].len() as i32, y as i32, -1, 0));
         if from_the_right > maximum { maximum = from_the_right; }
     }
 
     println!("the highest number of locations we could visit was {maximum}");
 }
 
+#[allow(dead_code)]
 fn print_map(mat: &Vec<Vec<char>>) {
     for row in mat {
         for c in row {
@@ -84,33 +67,30 @@ fn print_map(mat: &Vec<Vec<char>>) {
 
 fn trace(mat: &Vec<Vec<char>>, 
         visited: &mut HashSet<Record>,
-        start_x: i32, 
-        start_y: i32, 
-        start_dx: i32, 
-        start_dy: i32) -> () {
+        start: Record) -> () {
     
-    let mut cx = start_x;
-    let mut cy = start_y;
-    let mut dx = start_dx;
-    let mut dy = start_dy;
+    let mut cx = start.0;
+    let mut cy = start.1;
+    let mut dx = start.2;
+    let mut dy = start.3;
     
     while cy >= 0 && (cy as usize) < mat.len() && cx >= 0 && (cx as usize) < mat[0].len() {
-        if visited.contains(&(cx, cy, dx, dy)) { return (); }
-        visited.insert((cx, cy, dx, dy));
+        if visited.contains(&start) { return (); }
+        visited.insert(start);
         
         match mat[cy as usize][cx as usize] {
             '\\' => (dx, dy) = (dy, dx), 
             '/' => (dx, dy) = (-dy, -dx),
             '|' => 
                 if dx != 0 {
-                    trace(mat, visited, cx, cy, 0, 1);
-                    trace(mat, visited, cx, cy, 0, -1);
+                    trace(mat, visited, (cx, cy, 0, 1));
+                    trace(mat, visited, (cx, cy, 0, -1));
                     return;
                 },
             '-' => 
                 if dy != 0 {
-                    trace(mat, visited, cx, cy, 1, 0);
-                    trace(mat, visited, cx, cy, -1, 0);
+                    trace(mat, visited, (cx, cy, 1, 0));
+                    trace(mat, visited, (cx, cy, -1, 0));
                     return;
                 },
             _ => ()
@@ -123,7 +103,7 @@ fn trace(mat: &Vec<Vec<char>>,
 
 fn count(mat: &Vec<Vec<char>>, start: Record) -> i32 {
     let mut visit_set = HashSet::<Record>::new();
-    trace(mat, &mut visit_set, start.0, start.1, start.2, start.3);
+    trace(mat, &mut visit_set, start);
 
     let mut v = Vec::<Vec<char>>::new();
     for row in mat {

day16/target/.rustc_info.json

@@ -1 +1 @@
-{"rustc_fingerprint":11672801278650259402,"outputs":{"15729799797837862367":{"success":true,"status":"","code":0,"stdout":"___\nlib___.rlib\nlib___.dylib\nlib___.dylib\nlib___.a\nlib___.dylib\n/Users/shoofle/.rustup/toolchains/stable-x86_64-apple-darwin\noff\npacked\nunpacked\n___\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"\"\ntarget_family=\"unix\"\ntarget_feature=\"cmpxchg16b\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_feature=\"sse3\"\ntarget_feature=\"ssse3\"\ntarget_has_atomic=\"128\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"macos\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"apple\"\nunix\n","stderr":""},"4614504638168534921":{"success":true,"status":"","code":0,"stdout":"rustc 1.69.0 (84c898d65 2023-04-16)\nbinary: rustc\ncommit-hash: 84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc\ncommit-date: 2023-04-16\nhost: x86_64-apple-darwin\nrelease: 1.69.0\nLLVM version: 15.0.7\n","stderr":""}},"successes":{}}
+{"rustc_fingerprint":14318102787793507742,"outputs":{"15729799797837862367":{"success":true,"status":"","code":0,"stdout":"___\nlib___.rlib\nlib___.dylib\nlib___.dylib\nlib___.a\nlib___.dylib\n/Users/shoofle/.rustup/toolchains/stable-x86_64-apple-darwin\noff\npacked\nunpacked\n___\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"\"\ntarget_family=\"unix\"\ntarget_feature=\"cmpxchg16b\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_feature=\"sse3\"\ntarget_feature=\"sse4.1\"\ntarget_feature=\"ssse3\"\ntarget_has_atomic=\"128\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"macos\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"apple\"\nunix\n","stderr":""},"4614504638168534921":{"success":true,"status":"","code":0,"stdout":"rustc 1.74.1 (a28077b28 2023-12-04)\nbinary: rustc\ncommit-hash: a28077b28a02b92985b3a3faecf92813155f1ea1\ncommit-date: 2023-12-04\nhost: x86_64-apple-darwin\nrelease: 1.74.1\nLLVM version: 17.0.4\n","stderr":""}},"successes":{}}

day16/target/debug/.fingerprint/day16-03900f28025d4c7f/invoked.timestamp

@@ -0,0 +1 @@
+This file has an mtime of when this was started.

day16/target/debug/.fingerprint/day16-03900f28025d4c7f/test-bin-day16

@@ -0,0 +1 @@
+71b09de1aded0212

day16/target/debug/.fingerprint/day16-03900f28025d4c7f/test-bin-day16.json

@@ -0,0 +1 @@
+{"rustc":4443399816165520464,"features":"[]","target":250502024769020866,"profile":13053956386274884697,"path":1684066648322511884,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/day16-03900f28025d4c7f/dep-test-bin-day16"}}],"rustflags":[],"metadata":7797948686568424061,"config":2202906307356721367,"compile_kind":0}

day16/target/debug/.fingerprint/day16-5b74b45d1b6bc92c/bin-day16

@@ -0,0 +1 @@
+2137fc3fa44ab9f3

day16/target/debug/.fingerprint/day16-5b74b45d1b6bc92c/bin-day16.json

@@ -0,0 +1 @@
+{"rustc":4443399816165520464,"features":"[]","target":250502024769020866,"profile":237655285757591511,"path":1684066648322511884,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/day16-5b74b45d1b6bc92c/dep-bin-day16"}}],"rustflags":[],"metadata":7797948686568424061,"config":2202906307356721367,"compile_kind":0}

day16/target/debug/.fingerprint/day16-5b74b45d1b6bc92c/invoked.timestamp

@@ -0,0 +1 @@
+This file has an mtime of when this was started.

day16/target/debug/.fingerprint/day16-7763588c3a64e881/bin-day16

@@ -0,0 +1 @@
+297e92fdabd39aaf

day16/target/debug/.fingerprint/day16-7763588c3a64e881/bin-day16.json

@@ -0,0 +1 @@
+{"rustc":3659767333214291318,"features":"[]","target":250502024769020866,"profile":17483045194147818835,"path":1684066648322511884,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/day16-7763588c3a64e881/dep-bin-day16"}}],"rustflags":[],"metadata":7797948686568424061,"config":2202906307356721367,"compile_kind":0}

day16/target/debug/.fingerprint/day16-7763588c3a64e881/invoked.timestamp

@@ -0,0 +1 @@
+This file has an mtime of when this was started.

day16/target/debug/.fingerprint/day16-886360bced410ea3/bin-day16

@@ -0,0 +1 @@
+e9e854068db64f0a

day16/target/debug/.fingerprint/day16-886360bced410ea3/bin-day16.json

@@ -0,0 +1 @@
+{"rustc":4443399816165520464,"features":"[]","target":250502024769020866,"profile":13396965805329499462,"path":1684066648322511884,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/day16-886360bced410ea3/dep-bin-day16"}}],"rustflags":[],"metadata":7797948686568424061,"config":2202906307356721367,"compile_kind":0}

day16/target/debug/.fingerprint/day16-886360bced410ea3/invoked.timestamp

@@ -0,0 +1 @@
+This file has an mtime of when this was started.

day16/target/debug/.fingerprint/day16-e1bddb71ea6cd219/output-test-bin-day16

@@ -1,2 +0,0 @@
-{"message":"function `print_map` is never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src/main.rs","byte_start":2010,"byte_end":2019,"line_start":76,"line_end":76,"column_start":4,"column_end":13,"is_primary":true,"text":[{"text":"fn print_map(mat: &Vec<Vec<char>>) {","highlight_start":4,"highlight_end":13}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"`#[warn(dead_code)]` on by default","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[33mwarning\u001b[0m\u001b[0m\u001b[1m: function `print_map` is never used\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:76:4\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m76\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0mfn print_map(mat: &Vec<Vec<char>>) {\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[33m^^^^^^^^^\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m= \u001b[0m\u001b[0m\u001b[1mnote\u001b[0m\u001b[0m: `#[warn(dead_code)]` on by default\u001b[0m\n\n"}
-{"message":"1 warning emitted","code":null,"level":"warning","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[33mwarning\u001b[0m\u001b[0m\u001b[1m: 1 warning emitted\u001b[0m\n\n"}

day16/target/debug/.fingerprint/day16-e5a07f0ab55d4573/output-bin-day16

@@ -1,2 +0,0 @@
-{"message":"function `print_map` is never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src/main.rs","byte_start":2010,"byte_end":2019,"line_start":76,"line_end":76,"column_start":4,"column_end":13,"is_primary":true,"text":[{"text":"fn print_map(mat: &Vec<Vec<char>>) {","highlight_start":4,"highlight_end":13}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"`#[warn(dead_code)]` on by default","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[33mwarning\u001b[0m\u001b[0m\u001b[1m: function `print_map` is never used\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:76:4\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m76\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0mfn print_map(mat: &Vec<Vec<char>>) {\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[33m^^^^^^^^^\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m= \u001b[0m\u001b[0m\u001b[1mnote\u001b[0m\u001b[0m: `#[warn(dead_code)]` on by default\u001b[0m\n\n"}
-{"message":"1 warning emitted","code":null,"level":"warning","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[33mwarning\u001b[0m\u001b[0m\u001b[1m: 1 warning emitted\u001b[0m\n\n"}

day16/target/debug/deps/day16-5b74b45d1b6bc92c.d

@@ -0,0 +1,5 @@
+/Users/shoofle/Projects/aoc_2023/day16/target/debug/deps/day16-5b74b45d1b6bc92c: src/main.rs
+
+/Users/shoofle/Projects/aoc_2023/day16/target/debug/deps/day16-5b74b45d1b6bc92c.d: src/main.rs
+
+src/main.rs: