1 files changed, 38 insertions, 0 deletions
diff --git a/day03/src/main.rs b/day03/src/main.rs
new file mode 100644
index 0000000..6d86727
--- /dev/null
+++ b/day03/src/main.rs
@@ -0,0 +1,38 @@
+use std::io;
+
+fn highest_jolt(batteries: &str) -> i64 {
+    let batteries: Vec<char> = batteries.chars().collect();
+    let mut indexes = Vec::new();
+    let mut last = 0;
+    for x in 0..12 {
+        let mut index = last;
+        for i in last + 1..batteries.len() - 11 + x {
+            if batteries[i] > batteries[index] {
+                index = i;
+            }
+        }
+        indexes.push(index);
+        last = index + 1;
+    }
+    let mut tmp = String::new();
+    for i in indexes {
+        tmp.push(batteries[i]);
+    }
+    tmp.parse().unwrap()
+}
+
+fn main() {
+    let mut total = 0;
+
+    loop {
+        let mut buffer = String::new();
+        let bytes = io::stdin().read_line(&mut buffer).unwrap();
+        if bytes == 0 {
+            break;
+        }
+        let jolt = highest_jolt(buffer.trim_end());
+        total += jolt;
+    }
+
+    println!("Total: {}", total);
+}