day01

4 files changed, 1066 insertions, 0 deletions

diff --git a/2023/day01.rs b/2023/day01.rs
new file mode 100644
index 0000000..3a3bfb2
--- /dev/null
+++ b/2023/day01.rs
@@ -0,0 +1,55 @@
+#![allow(dead_code)]
+#![allow(unused_variables)]
+#![allow(unused_mut)]
+use std::fs::File;
+use std::io::Read;
+
+fn main() {
+    let filename = "in/day01.ref";
+    // let filename = "in/day01.pzl";
+
+    let mut f = File::open(filename).expect("cannot open file");
+    let mut content = String::new();
+    f.read_to_string(&mut content).expect("cannot read file");
+    let lines: Vec<_> = content.trim_end().split('\n').collect();
+    // println!("{:?}", lines);
+
+    let mut res1 = 0;
+    for line in &lines {
+        let nums: Vec<_> = line.chars().filter_map(|a| a.to_digit(10)).collect();
+        if nums.len() == 1 {
+            res1 += nums[0] * 10 + nums[0];
+        } else {
+            res1 += nums[0] * 10 + nums[nums.len() - 1];
+        }
+    }
+
+    let mut res2 = 0;
+    let digits = [
+        "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine",
+    ];
+    for line in &lines {
+        let b: Vec<char> = line.chars().collect();
+        let mut nums: Vec<u32> = Vec::new();
+        for i in 0..b.len() {
+            match b[i].to_digit(10) {
+                Some(i) => nums.push(i),
+                None => (),
+            }
+            for (j, digit) in digits.iter().enumerate() {
+                let d: Vec<char> = digit.chars().collect();
+                if d.iter().zip(b[i..].iter()).filter(|&(a, b)| a == b).count() == d.len() {
+                    nums.push(j as u32);
+                }
+            }
+        }
+        if nums.len() == 0 {
+            res2 += nums[0] * 10 + nums[0];
+        } else {
+            res2 += nums[0] * 10 + nums[nums.len() - 1];
+        }
+    }
+
+    println!("res1: {}", res1);
+    println!("res2: {}", res2);
+}
diff --git a/2023/in/day01.pzl b/2023/in/day01.pzl
new file mode 100644
index 0000000..0e0d003
--- /dev/null
+++ b/2023/in/day01.pzl
@@ -0,0 +1,1000 @@
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