First task done

tally/src/main.rs

@@ -0,0 +1,36 @@
+// https://www.reddit.com/r/dailyprogrammer/comments/8jcffg/20180514_challenge_361_easy_tally_program/
+
+fn main() {
+    println!("Hello, world!");
+    let input = "EbAAdbBEaBaaBBdAccbeebaec";
+    let player_list = String::from(init_player_list(input.to_string()));
+    println!("{}", player_list);
+
+    let tally = tally(player_list, input.to_string());
+    print!("{:?}", tally);
+}
+
+fn init_player_list(input: String) -> String{
+    let mut result = String::new();
+    let ch = input.chars();
+
+    for cha in ch{
+        let lch = cha.to_lowercase().next().unwrap();
+        if !result.contains(lch){
+            result.push(lch);
+        }
+    }
+    return result
+}
+
+fn tally(player_list: String, tally: String)  -> Vec<(char, i32)>{
+    let mut v: Vec<(char, i32)> = Vec::new();
+    for (_i, player) in player_list.chars().enumerate() {
+        let count = (tally.matches(player).count() as i32) - (tally.matches(player
+            .to_uppercase().next().unwrap()).count() as i32);
+        v.push((player, count));
+    }
+    v.sort_by_key(|v| v.1);
+    v.reverse();
+    return v
+}