번호	제목
18520	Battle Royale
18521	Jeopardy
18522	Slippers
18523	The Good, the Bad and the Ugly
18524	Another Coin Weighing Puzzle
18525	Mini Battleship
18526	Bomas
18527	All Kill
18528	Grid Guardian
18529	Hopscotch 50
18530	ICPC Camp
18531	Letter Wheels
18532	Editing Explosion
18533	Lunchtime Name Recall
18534	Rooted Subtrees
18535	Tomb Raider
18536	Tritwise Mex
18537	Associativity Degree
18538	Medium Hadron Collider
18539	Basis Change