Submission #5903348


Source Code Expand

N,K = gets.split.map(&:to_i)
x = gets.split.map(&:to_i)
idx = x.index(1)
l,r = idx,idx
ans = 0
while l > 0
  l -= K-1
  ans += 1
end
r += l.abs if l < 0
while r < N-1
  r += K-1
  ans += 1
end
p ans

Submission Info

Submission Time
Task C - Minimization
User rinzu
Language Ruby (2.3.3)
Score 300
Code Size 214 Byte
Status AC
Exec Time 45 ms
Memory 8076 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 16
Set Name Test Cases
Sample sample1.txt, sample2.txt, sample3.txt
All sample1.txt, sample2.txt, sample3.txt, 1.txt, 10.txt, 2.txt, 3.txt, 4.txt, 5.txt, 6.txt, 7.txt, 8.txt, 9.txt, sample1.txt, sample2.txt, sample3.txt
Case Name Status Exec Time Memory
1.txt AC 22 ms 4220 KB
10.txt AC 35 ms 6668 KB
2.txt AC 43 ms 8076 KB
3.txt AC 31 ms 5388 KB
4.txt AC 45 ms 7948 KB
5.txt AC 43 ms 8076 KB
6.txt AC 43 ms 8076 KB
7.txt AC 10 ms 2172 KB
8.txt AC 38 ms 7308 KB
9.txt AC 7 ms 1788 KB
sample1.txt AC 7 ms 3836 KB
sample2.txt AC 7 ms 1788 KB
sample3.txt AC 7 ms 1788 KB