From 25e853c9dea00531faded68d68f0dcc9ee6a41c4 Mon Sep 17 00:00:00 2001
From: Jim Infield <jinfield@gmail.com>
Date: Mon, 16 Aug 2021 18:07:07 -0500
Subject: [PATCH] Rough working copy...

switch to sort_unstable, per clippy insistance
generate time format '00|00|00' separate from output line
---
 src/main.rs | 28 +++++++++++++++++++++-------
 1 file changed, 21 insertions(+), 7 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index db08396..4040a3a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -16,18 +16,32 @@ fn main() {
     let mut times = vec![];
 
     for t in strings.split(", ") {
+        // split t on '|' and gather ints for h,m,s
         let e: Vec<_> = t.split('|')
-            .map(|i| i.parse::<i32>().unwrap())
+            .map(|i| i.parse::<usize>().unwrap())
             .collect();
+        // convert h,m,s into total seconds
         times.push(e[0]*3600 + e[1]*60 + e[2])
     }
-    let times_orig = times.clone();
-    times.sort();
+    
+    times.sort_unstable();
 
-    println!("\n{:?}\n{:?}\n{:?}\n",
-        times_orig,
-        times,
-        times.iter().sum::<i32>(),
+    let tot = times.iter().sum::<usize>();
+    let len = times.len();
+    let avg = tot/len;
+    let rng = times[len-1] - times[0];
+    let med = if len%2 == 1 {
+        times[len/2]
+    } else {
+        (times[len/2-1] + times[len])/2
+    };
+
+    let format_time = |s| {
+        format!("{:02}|{:02}|{:02}", s/3600, s%3600/60, s%60)
+    };
+     
+    println!("Range: {} Average: {} Median: {}",
+        format_time(rng), format_time(avg), format_time(med)
     );
     println!();
 }