Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	4332	P767E Change-free greedy *2400	0 / 0	(None)
	4331	P768A Oath of the Night's Watch constructive algorithms sortings *900	0 / 0	(None)
	4330	P768B Code For 1 constructive algorithms dfs and similar divide and conquer *1600	0 / 0	(None)
	4329	P768C Jon Snow and his Favourite Number brute force dp implementation sortings *1800	0 / 0	(None)
	4328	P768D Jon and Orbs dp math probabilities *2200	0 / 0	(None)
	4327	P768E Game of Stones bitmasks dp games *2100	0 / 0	(None)
	4326	P768F Barrels and boxes brute force combinatorics math number theory probabilities *2300	0 / 0	(None)
	4325	P768G The Winds of Winter binary search data structures *3300	0 / 0	(None)
	4324	P769A Year of University Entrance special problem implementation sortings 800	0 / 0	(None)
	4323	P769B News About Credit special problem greedy two pointers 1200	0 / 0	(None)
	4322	P769C Cycle In Maze special problem dfs and similar graphs greedy shortest paths 1700	0 / 0	(None)
	4321	P769D k-Interesting Pairs Of Integers special problem bitmasks brute force meet-in-the-middle 1700	0 / 0	(None)
	4320	P770A New Password special problem implementation 800	0 / 0	(None)
	4319	P770B Maximize Sum of Digits special problem implementation math 1300	0 / 0	(None)
	4318	P770C Online Courses In BSU special problem dfs and similar graphs implementation 1500	0 / 0	(None)
	4317	P770D Draw Brackets! special problem implementation 1400	0 / 0	(None)
	4316	P771A Bear and Friendship Condition dfs and similar dsu graphs *1500	0 / 0	(None)
	4315	P771B Bear and Different Names constructive algorithms greedy *1500	0 / 0	(None)
	4314	P771C Bear and Tree Jumps dfs and similar dp trees *2100	0 / 0	(None)
	4313	P771D Bear and Company dp *2500	0 / 0	(None)

Pick a problem randomly based on the current filter.