average_game

#!/bin/bash
# playig 2/3 average game
# written by Ofek Nacht

# function that cjecks who is the closest
check_winner() {
calc=$(( $avg - ${arr[$i - 1]} ))
# absolute number is needed
acalc=${calc#-}
if (( $acalc < $close ))
then
  close=$acalc
  winner=$i
elif [[ $calc -eq $close ]]
then
  winner="$winner and player$i"
fi
}

close=101
sum=0
check="5"

# choose how many players will play
read -p 'enter number of players :' players
# accepting answers from players
for (( i=1; i<=$players; i++ ))
do
  read -p "player$i answer is: " answer
  if ! (( $answer >= 0 && $answer <= 100 ))
  then
    echo not valid number
    (( i-- ))
  else
    arr+=($answer)
    sum=$(( $sum + $answer ))
  fi
done

avg=$(( $sum / $players * 2/3 ))
# looping through array and check who is the winner
for (( i=1; i<=${#arr[@]}; i++ ))
do
  check_winner
done
echo $avg
echo "the winner is player$winner "