Submission #5561848


Source Code Expand

n = gets.to_i

left = -1
right = n


def sum(x)
  (x*(x+1))/2
end

while left + 1 < right do
  mid = (left + right)/2
  if sum(mid) <= n
    left = mid
  else
    right = mid
  end
end

x = n - sum(left)

if x <= 1
  (left-1).times do |i|
    puts i + 1
  end

  puts left + n - sum(left)
  exit
end

1.upto(left+1) do |i|
  puts  i if i != left + sum(left) - n + 1
end

Submission Info

Submission Time
Task B - Exactly N points
User batsumaru
Language Ruby (2.3.3)
Score 300
Code Size 403 Byte
Status AC
Exec Time 11 ms
Memory 1788 KB

Judge Result

Set Name sample dataset1 dataset2
Score / Max Score 0 / 0 200 / 200 100 / 100
Status
AC × 3
AC × 13
AC × 24
Set Name Test Cases
sample sample-01.txt, sample-02.txt, sample-03.txt
dataset1 sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt
dataset2 sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt, sample-01.txt, sample-02.txt, sample-03.txt
Case Name Status Exec Time Memory
01-01.txt AC 7 ms 1788 KB
01-02.txt AC 7 ms 1788 KB
01-03.txt AC 7 ms 1788 KB
01-04.txt AC 7 ms 1788 KB
01-05.txt AC 7 ms 1788 KB
01-06.txt AC 7 ms 1788 KB
01-07.txt AC 7 ms 1788 KB
01-08.txt AC 7 ms 1788 KB
01-09.txt AC 7 ms 1788 KB
01-10.txt AC 7 ms 1788 KB
02-01.txt AC 11 ms 1788 KB
02-02.txt AC 11 ms 1788 KB
02-03.txt AC 11 ms 1788 KB
02-04.txt AC 11 ms 1788 KB
02-05.txt AC 11 ms 1788 KB
02-06.txt AC 9 ms 1788 KB
02-07.txt AC 8 ms 1788 KB
02-08.txt AC 11 ms 1788 KB
sample-01.txt AC 7 ms 1788 KB
sample-02.txt AC 7 ms 1788 KB
sample-03.txt AC 7 ms 1788 KB