Problems - QOJ.ac

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ID	Problem Interactive Output Only Communication	Rating
#501	Subway Nordic Olympiad in Informatics 2017
#502	Yule Lads Nordic Olympiad in Informatics 2017
#503	IP over Avian Carrier Nordic Olympiad in Informatics 2017 Communication
#504	Chessboard IZhO 2018 Day 1
#505	Evacuation plan IZhO 2018 Day 1
#506	Gift IZhO 2018 Day 1
#507	Segments IZhO 2018 Day 2
#508	Nice sequence IZhO 2018 Day 2
#509	Birthday gift IZhO 2018 Day 2
#510	Car Vet East Central NA Regional 2018
#511	Difference East Central NA Regional 2018
#512	Pear-wise Voting East Central NA Regional 2018
#513	Pizza Cutting East Central NA Regional 2018
#514	The Punctilious Cruciverbalist East Central NA Regional 2018
#515	A Random Problem East Central NA Regional 2018
#516	Roman Holidays East Central NA Regional 2018
#517	Sequential Yahtzee East Central NA Regional 2018
#518	Tours de Sales Force East Central NA Regional 2018
#519	Watch Where You Step East Central NA Regional 2018
#520	[JSOI 2018] 潜入行动
#521	[JSOI 2018] 防御网络
#522	[JSOI 2018] 绝地反击
#523	[JSOI 2018] 部落战争
#524	[JSOI 2018] 扫地机器人
#525	[JSOI 2018] 军训列队
#526	Magic eJOI 2017 Day 1
#527	Particles eJOI 2017 Day 1
#528	Six eJOI 2017 Day 1
#529	Camel eJOI 2017 Day 2
#530	Experience eJOI 2017 Day 2
#531	Game eJOI 2017 Day 2
#548	棋盘 WC 2017
#549	挑战 WC 2017
#550	排序 WC 2017
#553	[JSOI 2017] 王国
#554	[JSOI 2017] 预言
#555	[JSOI 2017] 代码
#556	[JSOI 2017] 骑士
#557	[JSOI 2017] 街道
#558	[JSOI 2017] 奥术
#559	[JSOI 2017] 原力
#560	[JSOI 2017] 隧道
#561	[JSOI 2017] 税收
#562	[JSOI 2017] 码农
#563	[JSOI 2017] 博弈
#564	[JSOI 2017] 魔法