题库 - HydroOJ

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	6804	P58B Coins greedy *1300	2 / 2	4
	6803	P58C Trees brute force *1800	0 / 0	6
	6802	P58D Calendar greedy strings *2000	0 / 0	7
	6801	P58E Expression dp *2400	0 / 1	9
	6800	P59A Word implementation strings *800	1 / 1	3
	6799	P59B Fortune Telling implementation number theory *1200	1 / 1	4
	6798	P59C Title expression parsing *1600	0 / 0	5
	6797	P59D Team Arrangement constructive algorithms greedy implementation *2000	0 / 0	7
	6796	P59E Shortest Path graphs shortest paths *2000	0 / 0	7
	6795	P60A Where Are My Flakes? implementation two pointers *1300	1 / 1	4
	6794	P60B Serial Time! dfs and similar dsu *1400	0 / 1	4
	6793	P60C Mushroom Strife brute force dfs and similar *2100	0 / 0	7
	6792	P60D Savior brute force dsu math *2500	0 / 0	9
	6791	P60E Mushroom Gnomes math matrices *2600	0 / 0	10
	6790	P61A Ultra-Fast Mathematician implementation *800	1 / 1	3
	6789	P61B Hard Work strings *1300	0 / 0	4
	6788	P61C Capture Valerian math *2000	0 / 0	7
	6787	P61D Eternal Victory dfs and similar graphs greedy shortest paths trees *1800	0 / 0	6
	6786	P61E Enemy is weak data structures trees *1900	1 / 1	6
	6785	P62A A Student's Dream greedy math *1300	2 / 3	4
	6784	P62B Tyndex.Brome binary search implementation *1800	0 / 0	6
	6783	P62C Inquisition geometry implementation sortings *2300	0 / 0	8
	6782	P62D Wormhouse dfs and similar graphs *2300	0 / 0	8
	6781	P62E World Evil dp flows *2700	0 / 0	10
	6780	P63A Sinking Ship implementation sortings strings *900	0 / 0	3
	6779	P63B Settlers' Training implementation *1200	0 / 0	4
	6778	P63C Bulls and Cows brute force implementation *1700	0 / 0	5
	6777	P63D Dividing Island constructive algorithms *1900	0 / 0	6
	6776	P63E Sweets Game bitmasks dfs and similar dp games implementation *2000	0 / 0	7
	6319	P64A Factorial special problem implementation 1300	0 / 0	4
	6316	P64B Expression special problem expression parsing 1500	0 / 0	5
	6313	P64C Table special problem greedy implementation math 1600	0 / 0	5
	6310	P64D Presents special problem greedy 1800	0 / 0	6
	6307	P64E Prime Segment special problem brute force 1800	0 / 0	6
	6304	P64F Domain special problem expression parsing 2000	0 / 0	7
	6302	P64G Path Canonization special problem 2200	0 / 0	8
	6299	P64H Table Bowling special problem sortings 2300	0 / 0	8
	6296	P64I Sort the Table special problem sortings 2400	0 / 0	9
	6775	P65A Harry Potter and Three Spells implementation math *1800	0 / 0	6
	6774	P65B Harry Potter and the History of Magic brute force greedy implementation *1700	0 / 0	5
	6773	P65C Harry Potter and the Golden Snitch binary search geometry *2100	0 / 0	7
	6772	P65D Harry Potter and the Sorting Hat brute force dfs and similar hashing *2200	0 / 0	8
	6771	P65E Harry Potter and Moving Staircases dfs and similar implementation *2900	0 / 0	10
	6770	P66A Petya and Java implementation strings *1300	0 / 0	4
	6769	P66B Petya and Countryside brute force implementation *1100	0 / 0	3
	6768	P66C Petya and File System data structures implementation *1800	0 / 0	6
	6767	P66D Petya and His Friends constructive algorithms math number theory *1700	0 / 0	5
	6766	P66E Petya and Post data structures dp *2000	0 / 0	7
	6765	P67A Partial Teacher dp graphs greedy implementation *1800	0 / 0	6
	6764	P67B Restoration of the Permutation greedy *1800	0 / 0	6

根据当前过滤条件随机选择一道题