1 files changed, 33 insertions, 0 deletions
diff --git a/2024/tcl/01.tcl b/2024/tcl/01.tcl
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+#!/bin/env tclsh
+
+source lib.tcl
+setup 1
+
+puts {Part 1: Find the sum of distances between pairs of numbers with the same ordinal in each list.}
+
+while {[gets $input line] != -1} {
+  lassign [regexp -inline -all {\d+} $line] ln rn
+
+  lappend left_nums $ln
+  lappend right_nums $rn
+
+  dict incr right_num_counts $rn
+}
+
+close $input
+
+set left_nums [lsort -integer $left_nums]
+set right_nums [lsort -integer $right_nums]
+
+foreach ln $left_nums rn $right_nums {
+  incr total1 [expr {abs($ln - $rn)}]
+
+  if [dict exists $right_num_counts $ln] {
+    incr total2 [expr {$ln * [dict get $right_num_counts $ln]}]
+  }
+}
+
+puts "Sum of distances: $total1"
+puts ""
+puts {Part 2: Find the "Similarity Score" of the lists.}
+puts "Similarity Score: $total2"