Submission #453893

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Source Code Expand

read a;
if [ $a -eq 1 ];then
  awk '{print $0}'
else
result=`tail -$a|sort -n|awk -F- '{
  m=int(substr($1,4,1))
  if (m!=0) {
    if (m < 5) {
      $1=$1-m
    } else if (m > 5) {
      $1=$1-m+5
    }
  }
  m=int(substr($2,4,1))
  if (m!=0) {
    if (m < 5) {
      $2=$2-m+5
    } else if (m > 5) {
      $2=$2-m+10
    }
  }

  print $1"-"$2
}'|uniq|awk -F- '{
  if (right !=null) {
    if (right>=$1) {
      if ($2>right) {
        right=$2
      }
    } else {
      print left"-"right
      left=$1
      right=$2
    }
  } else {
    left=$1
    right=$2
  }
}; END {print left"-"right}'`

while :;do
result_tmp=`echo $result | uniq | awk -F- '{
  if (right !=null) {
    if (right>=$1) {
      if ($2>right) {
        right=$2
      }
    } else {
      print left"-"right
      left=$1
      right=$2
    }
  } else {
    left=$1
    right=$2
  }
}; END {print left"-"right}'`
aa=`echo $result|wc -l`
bb=`echo $result_tmp|wc -l`
[ $aa -eq $bb ] && break
result=$result_tmp
done
echo $result|tr " " "\n"
fi

Submission Info

Judge Result