	ID	题目显示标签隐藏标签	AC / 尝试	难度
	5311	P440B Balancer greedy implementation *1600	0 / 0	(无)
	5310	P440C One-Based Arithmetic brute force dfs and similar divide and conquer *1800	0 / 0	(无)
	5309	P440D Berland Federalization dp trees *2200	0 / 0	(无)
	5308	P441A Valera and Antique Items implementation *1000	0 / 0	(无)
	5307	P441B Valera and Fruits greedy implementation *1400	0 / 0	(无)
	5306	P441C Valera and Tubes constructive algorithms dfs and similar implementation *1500	0 / 0	(无)
	5305	P441D Valera and Swaps constructive algorithms dsu graphs implementation math string suffix structures *2100	0 / 0	(无)
	5304	P441E Valera and Number bitmasks dp math probabilities *2400	0 / 0	(无)
	5303	P442A Borya and Hanabi bitmasks brute force implementation *1700	0 / 0	(无)
	5302	P442B Andrey and Problem greedy math probabilities *1800	0 / 0	(无)
	5301	P442C Artem and Array data structures greedy *2500	0 / 0	(无)
	5300	P442D Adam and Tree data structures trees *2600	0 / 0	(无)
	5299	P442E Gena and Second Distance geometry *3100	0 / 0	(无)
	5298	P443A Anton and Letters constructive algorithms implementation *800	0 / 0	(无)
	5297	P443B Kolya and Tandem Repeat brute force implementation strings *1500	0 / 0	(无)
	5296	P444A DZY Loves Physics greedy math *1600	0 / 0	(无)
	5295	P444B DZY Loves FFT probabilities *2300	0 / 0	(无)
	5294	P444C DZY Loves Colors data structures *2400	0 / 0	(无)
	5293	P444D DZY Loves Strings binary search hashing strings two pointers *2500	0 / 0	(无)
	5292	P444E DZY Loves Planting binary search dsu trees *2700	0 / 0	(无)
	5291	P445A DZY Loves Chessboard dfs and similar implementation *1200	0 / 0	(无)
	5290	P445B DZY Loves Chemistry dfs and similar dsu greedy *1400	0 / 0	(无)
	5289	P446A DZY Loves Sequences dp implementation two pointers *1600	0 / 0	(无)
	5288	P446B DZY Loves Modification brute force data structures greedy *2000	0 / 0	(无)
	5287	P446C DZY Loves Fibonacci Numbers data structures math number theory *2400	0 / 0	(无)
	5286	P446D DZY Loves Games math matrices probabilities *2800	0 / 0	(无)
	5285	P446E DZY Loves Bridges math matrices *3100	0 / 0	(无)
	5284	P447A DZY Loves Hash implementation *800	0 / 0	(无)
	5283	P447B DZY Loves Strings greedy implementation *1000	0 / 0	(无)
	5282	P448A Rewards implementation *800	0 / 0	(无)
	5281	P448B Suffix Structures implementation strings *1400	0 / 0	(无)
	5280	P448C Painting Fence divide and conquer dp greedy *1900	0 / 0	(无)
	5279	P448D Multiplication Table binary search brute force *1800	0 / 0	(无)
	5278	P448E Divisors brute force dfs and similar implementation number theory *2200	0 / 0	(无)
	5277	P449A Jzzhu and Chocolate greedy math *1700	0 / 0	(无)
	5276	P449B Jzzhu and Cities graphs greedy shortest paths *2000	0 / 0	(无)
	5275	P449C Jzzhu and Apples constructive algorithms number theory *2500	0 / 0	(无)
	5274	P449D Jzzhu and Numbers bitmasks combinatorics dp *2400	0 / 0	(无)
	5273	P449E Jzzhu and Squares dp math number theory *2900	0 / 0	(无)
	5272	P450A Jzzhu and Children implementation *1000	0 / 0	(无)
	5271	P450B Jzzhu and Sequences implementation math *1300	0 / 0	(无)
	5270	P451A Game With Sticks implementation *900	0 / 0	(无)
	5269	P451B Sort the Array implementation sortings *1300	0 / 0	(无)
	5268	P451C Predict Outcome of the Game brute force implementation math *1700	0 / 0	(无)
	5267	P451D Count Good Substrings math *2000	0 / 0	(无)
	5266	P451E Devu and Flowers bitmasks combinatorics number theory *2300	0 / 0	(无)
	5265	P452A Eevee brute force implementation strings *1000	0 / 0	(无)
	5264	P452B 4-point polyline brute force constructive algorithms geometry trees *1800	0 / 0	(无)
	5263	P452C Magic Trick combinatorics math probabilities *2100	0 / 0	(无)
	5262	P452D Washer, Dryer, Folder greedy implementation *1900	0 / 0	(无)
	5261	P452E Three strings data structures dsu string suffix structures strings *2400	0 / 0	(无)
	5260	P452F Permutation data structures divide and conquer hashing *2700	0 / 0	(无)
	5259	P453A Little Pony and Expected Maximum probabilities *1600	0 / 0	(无)
	5258	P453B Little Pony and Harmony Chest bitmasks brute force dp *2000	0 / 0	(无)
	5257	P453C Little Pony and Summer Sun Celebration constructive algorithms dfs and similar graphs *2200	0 / 0	(无)
	5256	P453D Little Pony and Elements of Harmony dp matrices *3000	0 / 0	(无)
	5255	P453E Little Pony and Lord Tirek data structures *3100	0 / 0	(无)
	5254	P454A Little Pony and Crystal Mine implementation *800	0 / 0	(无)
	5253	P454B Little Pony and Sort by Shift implementation *1200	0 / 0	(无)
	5252	P455A Boredom dp *1500	0 / 0	(无)
	5251	P455B A Lot of Games dfs and similar dp games implementation strings trees *1900	0 / 0	(无)
	5250	P455C Civilization dfs and similar dp dsu ternary search trees *2100	0 / 0	(无)
	5249	P455D Serega and Fun data structures *2700	0 / 0	(无)
	5248	P455E Function data structures *2900	0 / 0	(无)
	5247	P456A Laptops sortings *1100	0 / 0	(无)
	5246	P456B Fedya and Maths math number theory *1200	0 / 0	(无)
	5245	P457A Golden System math meet-in-the-middle *1700	0 / 0	(无)
	5244	P457B Distributed Join greedy *1900	0 / 0	(无)
	5243	P457C Elections brute force *2100	0 / 0	(无)
	5242	P457D Bingo! combinatorics math probabilities *2700	0 / 0	(无)
	5241	P457E Flow Optimality constructive algorithms flows math *3000	0 / 0	(无)
	5240	P457F An easy problem about trees dp games greedy trees *3200	0 / 0	(无)
	5239	P459A Pashmak and Garden implementation *1200	0 / 0	(无)
	5238	P459B Pashmak and Flowers combinatorics implementation sortings *1300	0 / 0	(无)
	5237	P459C Pashmak and Buses combinatorics constructive algorithms math *1900	0 / 0	(无)
	5236	P459D Pashmak and Parmida's problem data structures divide and conquer sortings *1800	0 / 0	(无)
	5235	P459E Pashmak and Graph dp sortings *1900	0 / 0	(无)
	5234	P460A Vasya and Socks brute force implementation math *900	0 / 0	(无)
	5233	P460B Little Dima and Equation brute force implementation math number theory *1500	0 / 0	(无)
	5232	P460C Present binary search data structures greedy *1700	0 / 0	(无)
	5231	P460D Little Victor and Set brute force constructive algorithms math *2300	0 / 0	(无)
	5230	P460E Roland and Rose brute force geometry math sortings *2700	0 / 0	(无)
	5229	P461A Appleman and Toastman greedy sortings *1200	0 / 0	(无)
	5228	P461B Appleman and Tree dfs and similar dp trees *2000	0 / 0	(无)
	5227	P461C Appleman and a Sheet of Paper data structures implementation *2200	0 / 0	(无)
	5226	P461D Appleman and Complicated Task dsu math *2800	0 / 0	(无)
	5225	P461E Appleman and a Game binary search shortest paths strings *3000	0 / 0	(无)
	5224	P462A Appleman and Easy Task brute force implementation *1000	0 / 0	(无)
	5223	P462B Appleman and Card Game greedy *1300	0 / 0	(无)
	5222	P463A Caisa and Sugar brute force implementation *1200	0 / 0	(无)
	5221	P463B Caisa and Pylons brute force implementation math *1100	0 / 0	(无)
	5220	P463C Gargari and Bishops greedy hashing implementation *1900	0 / 0	(无)
	5219	P463D Gargari and Permutations dfs and similar dp graphs implementation *1900	0 / 0	(无)
	5218	P463E Caisa and Tree brute force dfs and similar math number theory trees *2100	0 / 0	(无)
	5217	P464A No to Palindromes! greedy strings *1700	0 / 0	(无)
	5216	P464B Restore Cube brute force geometry *2000	0 / 0	(无)
	5215	P464C Substitutes in Number dp *2100	0 / 0	(无)
	5214	P464D World of Darkraft - 2 dp probabilities *2700	0 / 0	(无)
	5213	P464E The Classic Problem data structures graphs shortest paths *3000	0 / 0	(无)
	5212	P465A inc ARG implementation *900	0 / 0	(无)

HGNU

根据当前过滤条件随机选择一道题

状态

支持

开发与维护

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

Worker 0, 137ms
Powered by Hydro v4.13.4
Modified by HGNU ACM TEAM (Repo Link)