Submission #3003451

Source Code Expand

s = gets.chomp
n = 0
r = 0
ans = 0
(s.size-1).downto(0) do |i|
  n += s[i] == ")" ? 1 : -1
  if n < 0
    n += 2
    ans += 1
    r = [r,i].max
  elsif n > i+1
    n -= 2
    ans += 1
    r = [r,i].max
  end
end
puts ans+r

Submission Info

Submission Time
Task B - 天下一魔力発電
User koikotya
Language Ruby (2.3.3)
Score 400
Code Size 238 Byte
Status AC
Exec Time 7 ms
Memory 3836 KB

Judge Result

Set Name All
Score / Max Score 400 / 400
Status
AC × 32
Set Name Test Cases
All 01_sample_01, 01_sample_02, 01_sample_03, 02_manual_01, 02_manual_02, 02_manual_03, 10_random_00, 10_random_01, 10_random_02, 10_random_03, 10_random_04, 10_random_05, 10_random_06, 10_random_07, 10_random_08, 10_random_09, 10_random_10, 10_random_11, 10_random_12, 10_random_13, 10_random_14, 10_random_15, 10_random_16, 10_random_17, 10_random_18, 10_random_19, 20_max_00, 20_max_01, 20_max_02, 20_max_03, 20_max_04, 20_max_05
Case Name Status Exec Time Memory
01_sample_01 AC 7 ms 1788 KB
01_sample_02 AC 7 ms 1788 KB
01_sample_03 AC 7 ms 1788 KB
02_manual_01 AC 6 ms 1788 KB
02_manual_02 AC 7 ms 1788 KB
02_manual_03 AC 7 ms 1788 KB
10_random_00 AC 7 ms 1788 KB
10_random_01 AC 7 ms 1788 KB
10_random_02 AC 7 ms 1788 KB
10_random_03 AC 7 ms 1788 KB
10_random_04 AC 7 ms 1788 KB
10_random_05 AC 7 ms 1788 KB
10_random_06 AC 7 ms 1788 KB
10_random_07 AC 7 ms 1788 KB
10_random_08 AC 7 ms 1788 KB
10_random_09 AC 7 ms 1788 KB
10_random_10 AC 7 ms 1788 KB
10_random_11 AC 7 ms 1788 KB
10_random_12 AC 7 ms 1788 KB
10_random_13 AC 7 ms 1788 KB
10_random_14 AC 7 ms 1788 KB
10_random_15 AC 7 ms 1788 KB
10_random_16 AC 7 ms 1788 KB
10_random_17 AC 7 ms 1788 KB
10_random_18 AC 7 ms 1788 KB
10_random_19 AC 7 ms 1788 KB
20_max_00 AC 7 ms 3836 KB
20_max_01 AC 7 ms 1788 KB
20_max_02 AC 7 ms 1788 KB
20_max_03 AC 7 ms 1788 KB
20_max_04 AC 7 ms 1788 KB
20_max_05 AC 6 ms 1788 KB