	ID	题目显示标签隐藏标签	AC / 尝试	难度
	658	P1443A Kids Seating constructive algorithms math *800	0 / 0	(无)
	651	P1444D Rectangular Polyline constructive algorithms dp geometry *2900	0 / 0	(无)
	647	P1446A Knapsack constructive algorithms greedy sortings *1300	0 / 0	(无)
	642	P1446E Long Recovery constructive algorithms dfs and similar *3500	0 / 0	(无)
	640	P1447A Add Candies constructive algorithms math *800	0 / 0	(无)
	638	P1450A Avoid Trygub constructive algorithms sortings *800	0 / 0	(无)
	636	P1450C1 Errich-Tac-Toe (Easy Version) constructive algorithms math *2100	0 / 0	(无)
	635	P1450C2 Errich-Tac-Toe (Hard Version) constructive algorithms math *2300	0 / 0	(无)
	633	P1450E Capitalism constructive algorithms dfs and similar graphs shortest paths *2700	0 / 0	(无)
	632	P1450F The Struggling Contestant constructive algorithms greedy *2400	0 / 0	(无)
	624	P1451E1 Bitwise Queries (Easy Version) bitmasks constructive algorithms interactive math *2000	0 / 0	(无)
	623	P1451E2 Bitwise Queries (Hard Version) bitmasks constructive algorithms interactive math *2300	0 / 0	(无)
	622	P1451F Nullify The Matrix constructive algorithms games *2700	0 / 0	(无)
	616	P1452F Divide Powers constructive algorithms greedy *2900	0 / 0	(无)
	613	P1453B Suffix Operations constructive algorithms implementation *1400	0 / 0	(无)
	611	P1453D Checkpoints brute force constructive algorithms greedy math probabilities *1900	0 / 0	(无)
	608	P1454A Special Permutation constructive algorithms probabilities *800	0 / 0	(无)
	605	P1454D Number into Sequence constructive algorithms math number theory *1300	0 / 0	(无)
	601	P1455B Jumps constructive algorithms math *1200	0 / 0	(无)
	600	P1455C Ping-pong constructive algorithms games math *1100	0 / 0	(无)
	598	P1455E Four Points brute force constructive algorithms flows geometry greedy implementation math ternary search *2400	0 / 0	(无)
	586	P1461A String Generation constructive algorithms greedy *800	0 / 0	(无)
	581	P1461F Mathematical Expression constructive algorithms dp greedy *2700	0 / 0	(无)
	572	P1463B Find The Array bitmasks constructive algorithms greedy *1400	0 / 0	(无)
	570	P1463D Pairs binary search constructive algorithms greedy two pointers *1900	0 / 0	(无)
	569	P1463E Plan of Lectures constructive algorithms dfs and similar dsu graphs implementation sortings trees *2400	0 / 0	(无)
	557	P1467A Wizard of Orz constructive algorithms greedy math *900	0 / 0	(无)
	555	P1467C Three Bags constructive algorithms greedy *1900	0 / 0	(无)
	545	P1468H K and Medians constructive algorithms greedy math *2200	0 / 0	(无)
	538	P1469A Regular Bracket Sequence constructive algorithms greedy *1000	0 / 0	(无)
	535	P1469D Ceil Divisions brute force constructive algorithms math number theory *1700	0 / 0	(无)
	530	P1470C Strange Shuffle binary search brute force constructive algorithms interactive *2500	0 / 0	(无)
	529	P1470D Strange Housing constructive algorithms dfs and similar graph matchings graphs greedy *2200	0 / 0	(无)
	515	P1473C No More Inversions constructive algorithms math *1500	0 / 0	(无)
	509	P1474B Different Divisors binary search constructive algorithms greedy math number theory *1000	0 / 0	(无)
	508	P1474C Array Destruction brute force constructive algorithms data structures greedy implementation sortings *1700	0 / 0	(无)
	506	P1474E What Is It? constructive algorithms greedy *2500	0 / 0	(无)
	499	P1475F Unusual Matrix 2-sat brute force constructive algorithms *1900	0 / 0	(无)
	497	P1476A K-divisible Sum binary search constructive algorithms greedy math *1000	0 / 0	(无)
	490	P1477A Nezzar and Board constructive algorithms math number theory *1800	0 / 0	(无)
	488	P1477C Nezzar and Nice Beatmap constructive algorithms geometry greedy math sortings *2200	0 / 0	(无)
	487	P1477D Nezzar and Hidden Permutations constructive algorithms dfs and similar graphs *2800	0 / 0	(无)
	480	P1479B1 Painting the Array I constructive algorithms data structures dp greedy implementation *1900	0 / 0	(无)
	479	P1479B2 Painting the Array II constructive algorithms data structures dp greedy implementation *2100	0 / 0	(无)
	478	P1479C Continuous City bitmasks constructive algorithms *2500	0 / 0	(无)
	471	P1481C Fence Painting brute force constructive algorithms greedy *1600	0 / 0	(无)
	470	P1481D AB Graph brute force constructive algorithms graphs greedy implementation *2000	0 / 0	(无)
	465	P1482C Basic Diplomacy brute force constructive algorithms greedy implementation *1600	0 / 0	(无)
	456	P1485D Multiples and Power Differences constructive algorithms graphs math number theory *2200	0 / 0	(无)
	448	P1486E Paired Payment binary search brute force constructive algorithms dp flows graphs shortest paths *2200	0 / 0	(无)
	444	P1487C Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math *1500	0 / 0	(无)
	428	P1490B Balanced Remainders brute force constructive algorithms math *1000	0 / 0	(无)
	419	P1491D Zookeeper and The Infinite Zoo bitmasks constructive algorithms dp greedy math *1800	0 / 0	(无)
	417	P1491F Magnets binary search constructive algorithms interactive *2700	0 / 0	(无)
	416	P1491G Switch and Flip constructive algorithms graphs math *2800	0 / 0	(无)
	410	P1492D Genius's Gambit bitmasks constructive algorithms greedy math *1900	0 / 0	(无)
	409	P1492E Almost Fault-Tolerant Database brute force constructive algorithms dfs and similar greedy implementation *2500	0 / 0	(无)
	408	P1493A Anti-knapsack constructive algorithms greedy *800	0 / 0	(无)
	406	P1493C K-beautiful Strings binary search brute force constructive algorithms greedy strings *2000	0 / 0	(无)
	404	P1493E Enormous XOR bitmasks constructive algorithms greedy math strings two pointers *2600	0 / 0	(无)
	399	P1494D Dogeforces constructive algorithms data structures dfs and similar divide and conquer dsu greedy sortings trees *2300	0 / 0	(无)
	398	P1494E A-Z Graph constructive algorithms data structures graphs hashing *2400	0 / 0	(无)
	397	P1494F Delete The Edges brute force constructive algorithms dfs and similar graphs implementation *2900	0 / 0	(无)
	394	P1495C Garden of the Sun constructive algorithms graphs *2300	0 / 0	(无)
	391	P1495F Squares constructive algorithms data structures dp graphs trees *3300	0 / 0	(无)
	390	P1496A Split it! brute force constructive algorithms greedy strings *900	0 / 0	(无)
	387	P1497B M-arrays constructive algorithms greedy math *1200	0 / 0	(无)
	386	P1497C1 k-LCM (easy version) constructive algorithms math *1200	0 / 0	(无)
	385	P1497C2 k-LCM (hard version) constructive algorithms math *1600	0 / 0	(无)
	375	P1499A Domino on Windowsill combinatorics constructive algorithms math *800	0 / 0	(无)
	366	P1500C Matrix Sorting bitmasks brute force constructive algorithms greedy two pointers *2600	0 / 0	(无)
	360	P1503A Balance the Bits constructive algorithms greedy *1600	0 / 0	(无)
	359	P1503B 3-Coloring constructive algorithms games interactive *1700	0 / 0	(无)
	357	P1503D Flip the Cards 2-sat constructive algorithms data structures greedy sortings two pointers *2600	0 / 0	(无)
	355	P1503F Balance the Cards constructive algorithms data structures divide and conquer geometry graphs implementation *3500	0 / 0	(无)
	354	P1504A Déjà Vu constructive algorithms strings *800	0 / 0	(无)
	353	P1504B Flip the Bits constructive algorithms greedy implementation math *1200	0 / 0	(无)
	340	P1506D Epic Transformation constructive algorithms data structures greedy *1400	0 / 0	(无)
	339	P1506E Restoring the Permutation constructive algorithms implementation *1500	0 / 0	(无)
	338	P1506F Triangular Paths constructive algorithms graphs math shortest paths sortings *2000	0 / 0	(无)
	336	P1508A Binary Literature constructive algorithms greedy implementation strings two pointers *1900	0 / 0	(无)
	335	P1508B Almost Sorted binary search combinatorics constructive algorithms implementation *1800	0 / 0	(无)
	333	P1508D Swap Pass constructive algorithms geometry sortings *3000	0 / 0	(无)
	332	P1508E Tree Calendar brute force constructive algorithms data structures dfs and similar sortings trees *3100	0 / 0	(无)
	330	P1509A Average Height constructive algorithms *800	0 / 0	(无)
	318	P1510J Japanese Game constructive algorithms math *2700	0 / 0	(无)
	315	P1511B GCD Length constructive algorithms math number theory *1100	0 / 0	(无)
	313	P1511D Min Cost String brute force constructive algorithms graphs greedy strings *1600	0 / 0	(无)
	307	P1512C A-B Palindrome constructive algorithms implementation strings *1200	0 / 0	(无)
	306	P1512D Corrupted Array constructive algorithms data structures greedy *1200	0 / 0	(无)
	302	P1513A Array and Peaks constructive algorithms implementation *800	0 / 0	(无)
	301	P1513B AND Sequences bitmasks combinatorics constructive algorithms math *1400	0 / 0	(无)
	299	P1513D GCD and MST constructive algorithms dsu graphs greedy number theory sortings *2000	0 / 0	(无)
	298	P1513E Cost Equilibrium combinatorics constructive algorithms math sortings *2300	0 / 0	(无)
	297	P1513F Swapping Problem brute force constructive algorithms data structures sortings *2500	0 / 0	(无)
	291	P1515A Phoenix and Gold constructive algorithms greedy math *800	0 / 0	(无)
	289	P1515C Phoenix and Towers constructive algorithms data structures greedy *1400	0 / 0	(无)
	286	P1515F Phoenix and Earthquake constructive algorithms dfs and similar dsu graphs greedy trees *2600	0 / 0	(无)
	280	P1516C Baby Ehab Partitions Again bitmasks constructive algorithms dp math *1700	0 / 0	(无)
	276	P1517B Morning Jogging constructive algorithms greedy sortings *1200	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, 124ms
Powered by Hydro v4.13.4
Modified by HGNU ACM TEAM (Repo Link)