Submission #7938354

---

Source Code Expand

if ARGV[0]=="LOCAL_DEV"
	define_method("debug") do |var|
		p var
	end
else
	define_method("debug") do |var|
	end
end

N=STDIN.gets.strip.to_i
a=[]
(1..N).each do |i|
	t=STDIN.gets.strip
	a<<t
end
debug a
b=[]
(0..N-1).each do |i|
	t=a[i].split('-')
	v=[]
	(0..1).each do |j|
		u=t[j].to_i
		u-=u%5 if j==0
		u+=5-u%5 if j==1 && u%5>0
		if u%100==60
			u+=100-60
		end
		v<<u
	end
	b<<v
end
debug b


c=Array.new(24*60/5+1,false)
(0..N-1).each do |i|
	ih=b[i][0].to_i/100
	im=b[i][0].to_i%100
	jh=b[i][1].to_i/100
	jm=b[i][1].to_i%100
	from=ih*12+im/5
	to=jh*12+jm/5-1
	debug from
	debug to
	(from..to).each do |j|
		c[j]=true
	end
end
debug c


ans=[]
from=-1
(0..24*60/5).each do |i|
	if c[i]
		if from==-1
			from=i
		else
		end
	else
		if from==-1
		else
			ih=(from/12).to_s
			ih="0"+ih if ih.length==1 
			im=(from%12*5).to_s
			im="0"+im if im.length==1 
			jh=(i/12).to_s
			jh="0"+jh if jh.length==1 
			jm=(i%12*5).to_s
			jm="0"+jm if jm.length==1 
			ans<<"#{ih}#{im}-#{jh}#{jm}"
			from=-1
		end		
	end
end

ans.each do |s|
	puts s
end

Submission Info

Judge Result