	ID	题目显示标签隐藏标签	AC / 尝试	难度
	794	P1418A Buying Torches math *1000	0 / 0	(无)
	793	P1418B Negative Prefixes greedy sortings *1300	0 / 0	(无)
	792	P1418C Mortal Kombat Tower dp graphs greedy shortest paths *1500	0 / 0	(无)
	791	P1418D Trash Problem data structures implementation *2100	0 / 0	(无)
	790	P1418E Expected Damage binary search combinatorics probabilities *2400	0 / 0	(无)
	789	P1418F Equal Product data structures math number theory two pointers *3000	0 / 0	(无)
	788	P1418G Three Occurrences data structures divide and conquer hashing two pointers *2500	0 / 0	(无)
	787	P1419A Digit Game games greedy implementation *900	0 / 0	(无)
	786	P1419B Stairs brute force constructive algorithms greedy implementation math *1200	0 / 0	(无)
	785	P1419C Killjoy greedy implementation math *1500	0 / 0	(无)
	784	P1419D1 Sage's Birthday (easy version) binary search constructive algorithms greedy sortings *1000	0 / 0	(无)
	783	P1419D2 Sage's Birthday (hard version) binary search brute force constructive algorithms greedy sortings two pointers *1500	0 / 0	(无)
	782	P1419E Decryption constructive algorithms implementation math number theory *2100	0 / 0	(无)
	781	P1419F Rain of Fire binary search data structures dfs and similar dsu graphs implementation *2800	0 / 0	(无)
	780	P1420A Cubes Sorting math sortings *900	0 / 0	(无)
	779	P1420B Rock and Lever bitmasks math *1200	0 / 0	(无)
	778	P1420C1 Pokémon Army (easy version) constructive algorithms dp greedy *1300	0 / 0	(无)
	777	P1420C2 Pokémon Army (hard version) data structures divide and conquer dp greedy implementation *2100	0 / 0	(无)
	776	P1420D Rescue Nibel! combinatorics data structures sortings *1800	0 / 0	(无)
	775	P1420E Battle Lemmings dp greedy *2500	0 / 0	(无)
	774	P1421A XORwice bitmasks greedy math *800	0 / 0	(无)
	773	P1421B Putting Bricks in the Wall constructive algorithms implementation *1100	0 / 0	(无)
	772	P1421C Palindromifier constructive algorithms strings *1400	0 / 0	(无)
	771	P1421D Hexagons brute force constructive algorithms greedy implementation math shortest paths *1900	0 / 0	(无)
	770	P1421E Swedish Heroes brute force dp implementation *2700	0 / 0	(无)
	769	P1422A Fence geometry math *800	0 / 0	(无)
	768	P1422B Nice Matrix greedy implementation math *1300	0 / 0	(无)
	767	P1422C Bargain combinatorics dp math *1700	0 / 0	(无)
	766	P1422D Returning Home graphs shortest paths sortings *2300	0 / 0	(无)
	765	P1422E Minlexes dp greedy implementation strings *2700	0 / 0	(无)
	764	P1422F Boring Queries data structures math number theory *2700	0 / 0	(无)
	763	P1423A Wakanda Forever *3500	0 / 0	(无)
	762	P1423B Valuable Paper binary search flows graph matchings graphs *1900	0 / 0	(无)
	761	P1423C Dušan's Railway divide and conquer graphs trees *3500	0 / 0	(无)
	760	P1423D Does anyone else hate the wind? *3100	0 / 0	(无)
	759	P1423E 5G Antenna Towers geometry *2700	0 / 0	(无)
	758	P1423F Coins math *2700	0 / 0	(无)
	757	P1423G Growing flowers data structures *3500	0 / 0	(无)
	756	P1423H Virus data structures divide and conquer dsu graphs *2500	0 / 0	(无)
	755	P1423I Lookup Tables bitmasks *3000	0 / 0	(无)
	754	P1423J Bubble Cup hypothesis bitmasks constructive algorithms dp math *2400	0 / 0	(无)
	753	P1423K Lonely Numbers binary search math number theory two pointers *1600	0 / 0	(无)
	752	P1423L Light switches meet-in-the-middle *2600	0 / 0	(无)
	751	P1423M Milutin's Plums interactive *2800	0 / 0	(无)
	750	P1423N BubbleSquare Tokens *3500	0 / 0	(无)
	749	P1424G Years data structures sortings *1300	0 / 0	(无)
	748	P1424M Ancient Language graphs sortings *2200	0 / 0	(无)
	747	P1425A Arena of Greed games greedy *1400	0 / 0	(无)
	746	P1425B Blue and Red of Our Faculty! divide and conquer dp *2600	0 / 0	(无)
	745	P1425C Captain of Knights math *3100	0 / 0	(无)
	744	P1425D Danger of Mad Snakes combinatorics dp math *2300	0 / 0	(无)
	743	P1425E Excitation of Atoms greedy implementation *2200	0 / 0	(无)
	742	P1425F Flamingoes of Mystery interactive *1400	0 / 0	(无)
	741	P1425H Huge Boxes of Animal Toys constructive algorithms *1300	0 / 0	(无)
	740	P1425I Impressive Harvesting of The Orchard data structures *2800	0 / 0	(无)
	739	P1426A Floor Number implementation math *800	0 / 0	(无)
	738	P1426B Symmetric Matrix implementation *900	0 / 0	(无)
	737	P1426C Increase and Copy binary search constructive algorithms math *1100	0 / 0	(无)
	736	P1426D Non-zero Segments constructive algorithms data structures greedy sortings *1500	0 / 0	(无)
	735	P1426E Rock, Paper, Scissors brute force constructive algorithms flows greedy math *1800	0 / 0	(无)
	734	P1426F Number of Subsequences combinatorics dp strings *2000	0 / 0	(无)
	733	P1427A Avoiding Zero math sortings *900	0 / 0	(无)
	732	P1427B Chess Cheater greedy implementation sortings *1400	0 / 0	(无)
	731	P1427C The Hard Work of Paparazzi dp *2000	0 / 0	(无)
	730	P1427D Unshuffling a Deck constructive algorithms implementation *2000	0 / 0	(无)
	729	P1427E Xum bitmasks constructive algorithms math matrices number theory *2500	0 / 0	(无)
	728	P1427F Boring Card Game data structures greedy trees *3200	0 / 0	(无)
	727	P1427G One Billion Shades of Grey flows graphs *3300	0 / 0	(无)
	726	P1427H Prison Break binary search games geometry ternary search *3500	0 / 0	(无)
	725	P1428A Box is Pull math *800	0 / 0	(无)
	724	P1428B Belted Rooms graphs implementation *1200	0 / 0	(无)
	723	P1428C ABBB brute force data structures greedy strings *1100	0 / 0	(无)
	722	P1428D Bouncing Boomerangs constructive algorithms greedy implementation *1900	0 / 0	(无)
	721	P1428E Carrots for Rabbits binary search data structures greedy math sortings *2200	0 / 0	(无)
	720	P1428F Fruit Sequences binary search data structures divide and conquer dp two pointers *2400	0 / 0	(无)
	719	P1428G1 Lucky Numbers (Easy Version) dp greedy *2900	0 / 0	(无)
	718	P1428G2 Lucky Numbers (Hard Version) dp greedy *3000	0 / 0	(无)
	717	P1428H Rotary Laser Lock binary search interactive *3500	0 / 0	(无)
	716	P1430A Number of Apartments brute force constructive algorithms math *900	0 / 0	(无)
	715	P1430B Barrels greedy implementation sortings *800	0 / 0	(无)
	714	P1430C Numbers on Whiteboard constructive algorithms data structures greedy implementation math *1000	0 / 0	(无)
	713	P1430D String Deletion binary search data structures greedy two pointers *1700	0 / 0	(无)
	712	P1430E String Reversal data structures greedy strings *1900	0 / 0	(无)
	711	P1430F Realistic Gameplay dp greedy *2600	0 / 0	(无)
	710	P1430G Yet Another DAG Problem bitmasks dfs and similar dp flows graphs math *2600	0 / 0	(无)
	709	P1431A Selling Hamburgers special problem 800	0 / 0	(无)
	708	P1431B Polycarp and the Language of Gods special problem implementation two pointers 1400	0 / 0	(无)
	707	P1431C Black Friday special problem implementation 1600	0 / 0	(无)
	706	P1431D Used Markers special problem greedy 1500	0 / 0	(无)
	705	P1431E Chess Match special problem 2000	0 / 0	(无)
	704	P1431F Neural Network Problem special problem binary search greedy 2100	0 / 0	(无)
	703	P1431G Number Deletion Game special problem dp games greedy 2100	0 / 0	(无)
	702	P1431H Rogue-like Game special problem brute force greedy two pointers 2600	0 / 0	(无)
	701	P1431I Cyclic Shifts special problem strings 2900	0 / 0	(无)
	700	P1431J Zero-XOR Array special problem dp 3400	0 / 0	(无)
	699	P1433A Boring Apartments implementation math *800	0 / 0	(无)
	698	P1433B Yet Another Bookshelf greedy implementation *800	0 / 0	(无)
	697	P1433C Dominant Piranha constructive algorithms greedy *900	0 / 0	(无)
	696	P1433D Districts Connection constructive algorithms dfs and similar *1200	0 / 0	(无)
	695	P1433E Two Round Dances combinatorics math *1300	0 / 0	(无)

HGNU

根据当前过滤条件随机选择一道题

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杨旭龙、王树淳、王国斌、宋文宇、朱天伦

特别鸣谢

肖飞、关玉蓉、魏银珍、周芬

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