math - Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	5642	P1436F Sum Over Subsets combinatorics math number theory *2800	0 / 0	(None)
	5646	P1437F Emotional Fishermen combinatorics dp math two pointers *2600	0 / 0	(None)
	5649	P1438D Powerful Ksenia bitmasks constructive algorithms math *2200	0 / 0	(None)
	5655	P1440B Sum of Medians greedy math *900	0 / 0	(None)
	5659	P1443B Saving the City dp greedy math sortings *1300	0 / 0	(None)
	5660	P1443E Long Permutation brute force math two pointers *2400	0 / 0	(None)
	5661	P1444B Divide and Sum combinatorics math sortings *1900	0 / 0	(None)
	5669	P1447A Add Candies constructive algorithms math *800	0 / 0	(None)
	5670	P1447B Numbers Box greedy math *1000	0 / 0	(None)
	5672	P1450C2 Errich-Tac-Toe (Hard Version) constructive algorithms math *2300	0 / 0	(None)
	5676	P1450H2 Multithreading (Hard Version) combinatorics implementation math *3300	0 / 0	(None)
	5678	P1451D Circle Game games geometry math *1700	0 / 0	(None)
	5679	P1451E2 Bitwise Queries (Hard Version) bitmasks constructive algorithms interactive math *2300	0 / 0	(None)
	5681	P1452B Toy Blocks binary search greedy math sortings *1400	0 / 0	(None)
	5682	P1452D Radio Towers combinatorics dp math *1600	0 / 0	(None)
	5686	P1453D Checkpoints brute force constructive algorithms greedy math probabilities *1900	0 / 0	(None)
	5690	P1454D Number into Sequence constructive algorithms math number theory *1300	0 / 0	(None)
	5693	P1455B Jumps constructive algorithms math *1200	0 / 0	(None)
	5694	P1455C Ping-pong constructive algorithms games math *1100	0 / 0	(None)
	5695	P1455E Four Points brute force constructive algorithms flows geometry greedy implementation math ternary search *2400	0 / 0	(None)

Pick a problem randomly based on the current filter.