Submission #677430

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Source Code Expand

N = gets.to_i

input = STDIN.map{|t| t.split('-').map(&:to_i)}.map{|p,q| [ p - p%5, q - (q+4)%5+4 ]  }.map{|p,q| [p, q%100==60 ? q+40  : q ]}.sort



output = Array.new(0);

ind = 0;
input.each{ |from,to|
	if output.length == 0
		output.push( [from, to]);
		next;
	end
	if output[ind][1] >= from
		output[ind][1] = [output[ind][1], to].max;
	else
		output.push([from, to])
		ind = ind+1;
	end
	
}



output.each{ |p,q|
	 printf("%04d-%04d\n",p,q);
}

Submission Info

Judge Result