DONE

02/main.rs

@@ -0,0 +1,55 @@
+use std::fs::File;
+use std::io::{self, prelude::*, BufReader};
+
+
+fn main() {
+    // to make this work i had to do the return io::Result thing. i will look into this later of
+    // how to properly do it
+    let file = File::open("./input.txt").expect("something");
+    let reader = BufReader::new(file);
+    let mut invalidCheck = 0;
+
+    for line in reader.lines() {
+        invalidCheck += checkValidLine(line.unwrap());
+        println!("{}", invalidCheck);
+    }
+
+    println!("{} valid pwds", invalidCheck);
+
+}
+
+
+fn checkValidLine(input: String) -> i32 {
+
+    let strings = input.split(" ").collect::<Vec<&str>>();
+    let mut count = 0;
+    let maxMinString = strings[0].split("-").collect::<Vec<&str>>();
+    let min = maxMinString[0].parse::<u32>().unwrap() -1;
+    let max = maxMinString[1].parse::<u32>().unwrap() -1;
+    
+    let chr = strings[1].chars().nth(0).unwrap();
+    
+    let chars = strings[2].chars().collect::<Vec<char>>();
+    if (chars.len() < max as usize) || (chars.len() < min as usize) {
+        return 0;
+    }
+    if (chars[min as usize] == chr && chars[max as usize] != chr) || (chars[min as usize] != chr && chars[max as usize] == chr) {
+        return 1;
+    }
+    return 0;
+//    for c in strings[2].chars() {
+//        if c == chr {
+//            count+=1;
+//            if count > max {
+//                 println!("too high {}", input);
+//                 return 0;
+//             }
+//        }
+//    }
+//    if count < min {
+//        println!("too low: {}", input);
+//        return 0;
+//    }
+//
+//    return 1;
+}