Submission #453899

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Source Code Expand

read a;
if [ $a -eq 1 ];then
  awk '{print $0}'
else
  tail -$a|sort -n|awk -F- '
  function ceil(num) {
      if (int(num) == num) {
          return num;
      } else if (num > 0) {
          return int(num) + 1;
      } else {
          return num;
      }
  }
  {
    $1=int($1/5)*5

    $2=ceil($2/5)*5
    if ($2%100==60) {
      $2=$2+40
    }

    rec[int($1)]++
    rec[int($2)]--
  }; END {
    cnt=0
    for (i = 0; i <= 2400; i++) {
        if (rec[i] > 0) {
          if (cnt == 0) {
            printf "%4d", i
          }
          cnt+=rec[i]
        }else if (rec[i] < 0) {
          cnt+=rec[i]
          if (cnt ==0) {
            printf "-%4d\n", i
          }
        }
    }
  }'
fi

Submission Info

Judge Result