function ready for submission

src/main.rs

@@ -68,7 +68,37 @@ fn main() {
 }
 
 fn stati(s: &str) -> String {
-    s.into()
+    use regex::Regex;
+    use regex::Match;
+
+    let non_digit = Regex::new(r"\D+").unwrap();
+
+    let to_int = |m: Option<Match>| {
+        m.unwrap().as_str().parse::<usize>().unwrap()
+    };
+
+    let mut t =
+        non_digit.split(s)
+        .map(|m| m.parse::<usize>().unwrap())
+        .collect::<Vec<usize>>()
+        .chunks(3)
+            .map(|c| (c[0],c[1],c[2]))
+            .map(|(h,m,s)| h*3600 + m*60 + s)
+        .collect::<Vec<usize>>();
+
+    t.sort_unstable();
+
+    let (len, tot) = (t.len(), t.iter().sum::<usize>());
+    let (avg, mid, rng) = (tot/len, len/2, t[len-1] - t[0]);
+    let med = if len % 2 == 1 { t[mid] } else { (t[mid-1] + t[mid]) / 2};
+
+    let hms = |i| {
+        format!("{:02}|{:02}|{:02}", i/3600, i%3600/60, i%60)
+    };
+
+    format!("Range: {} Average: {} Median: {}",
+        hms(rng), hms(avg), hms(med)
+    )
 }
 
 #[cfg(test)]