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  1. Prepare
  2. Linux Shell
  3. Arrays in Bash
  4. Lonely Integer - Bash!
  5. Discussions

Lonely Integer - Bash!

  • williampeterson2
     + 0 comments

    Simple solution: 

    #!/bin/bash

read N
read -a arr


declare -A countElements

for item in "${arr[@]}"; do
  ((countElements["$item"]++))
done


for key in "${!countElements[@]}"; do
  if ((countElements["$key"] == 1)); then
    echo "$key"
  fi
done