Add everything I got

3a.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+
+declare -A P
+
+p=0
+
+for i in {a..z} {A..Z}; do
+  let p++
+  P[$i]=$p
+done
+
+s=0
+
+while read a; do
+  l=${#a}
+  ll=$(( $l / 2 ))
+  x=${a:0:$ll}
+  y=${a:$ll}
+
+  c=''
+
+  for i in `seq 0 $(( $ll - 1 ))`; do
+    if grep -q ${x:$i:1} <<< ${y}; then
+      c=${x:$i:1}
+      break
+    fi
+  done
+
+  let s+=P[$c]
+  
+done
+
+echo $s
+
+