	ID	题目显示标签隐藏标签	AC / 尝试	难度
	517	P1473A Replacing Elements greedy implementation math sortings *800	0 / 0	(无)
	510	P1474A Puzzle From the Future greedy *800	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)
	507	P1474D Cleaning data structures dp greedy math *2200	0 / 0	(无)
	506	P1474E What Is It? constructive algorithms greedy *2500	0 / 0	(无)
	497	P1476A K-divisible Sum binary search constructive algorithms greedy math *1000	0 / 0	(无)
	496	P1476B Inflation binary search brute force greedy math *1300	0 / 0	(无)
	495	P1476C Longest Simple Cycle dp graphs greedy *1600	0 / 0	(无)
	489	P1477B Nezzar and Binary String data structures greedy *1900	0 / 0	(无)
	488	P1477C Nezzar and Nice Beatmap constructive algorithms geometry greedy math sortings *2200	0 / 0	(无)
	486	P1477E Nezzar and Tournaments data structures greedy *3300	0 / 0	(无)
	484	P1478A Nezzar and Colorful Balls brute force greedy *800	0 / 0	(无)
	483	P1478B Nezzar and Lucky Number brute force dp greedy math *1100	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)
	475	P1480A Yet Another String Game games greedy strings *800	0 / 0	(无)
	474	P1480B The Great Hero greedy implementation sortings *900	0 / 0	(无)
	473	P1481A Space Navigation greedy strings *800	0 / 0	(无)
	472	P1481B New Colony brute force greedy implementation *1100	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)
	469	P1481E Sorting Books data structures dp greedy *2500	0 / 0	(无)
	468	P1481F AB Tree dp greedy trees *3100	0 / 0	(无)
	465	P1482C Basic Diplomacy brute force constructive algorithms greedy implementation *1600	0 / 0	(无)
	459	P1485A Add and Divide brute force greedy math number theory *1000	0 / 0	(无)
	455	P1485E Move and Swap dfs and similar dp greedy trees *2500	0 / 0	(无)
	453	P1486A Shifting Stacks greedy implementation *900	0 / 0	(无)
	444	P1487C Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math *1500	0 / 0	(无)
	442	P1487E Cheap Dinner brute force data structures graphs greedy implementation sortings two pointers *2000	0 / 0	(无)
	441	P1487F Ones dp greedy shortest paths *2900	0 / 0	(无)
	438	P1488B RBS Deletion special problem greedy 1800	0 / 0	(无)
	436	P1488D Problemsolving Marathon special problem binary search greedy 1900	0 / 0	(无)
	433	P1488G Painting Numbers special problem data structures greedy number theory 2500	0 / 0	(无)
	429	P1490A Dense Array greedy math *800	0 / 0	(无)
	425	P1490E Accidental Victory binary search data structures greedy *1400	0 / 0	(无)
	424	P1490F Equalize the Array binary search data structures greedy math sortings *1500	0 / 0	(无)
	422	P1491A K-th Largest Value brute force greedy implementation *800	0 / 0	(无)
	420	P1491C Pekora and Trampoline brute force data structures dp greedy implementation *1700	0 / 0	(无)
	419	P1491D Zookeeper and The Infinite Zoo bitmasks constructive algorithms dp greedy math *1800	0 / 0	(无)
	412	P1492B Card Deck data structures greedy math *1100	0 / 0	(无)
	411	P1492C Maximum width binary search data structures dp greedy two pointers *1500	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)
	401	P1494B Berland Crossword bitmasks brute force greedy implementation *1400	0 / 0	(无)
	400	P1494C 1D Sokoban binary search dp greedy implementation two pointers *1900	0 / 0	(无)
	399	P1494D Dogeforces constructive algorithms data structures dfs and similar divide and conquer dsu greedy sortings trees *2300	0 / 0	(无)
	396	P1495A Diamond Miner geometry greedy math sortings *1200	0 / 0	(无)
	395	P1495B Let's Go Hiking games greedy *1900	0 / 0	(无)
	392	P1495E Qingshan and Daniel brute force data structures greedy implementation *3200	0 / 0	(无)
	390	P1496A Split it! brute force constructive algorithms greedy strings *900	0 / 0	(无)
	388	P1497A Meximization brute force data structures greedy sortings *800	0 / 0	(无)
	387	P1497B M-arrays constructive algorithms greedy math *1200	0 / 0	(无)
	383	P1497E1 Square-free division (easy version) data structures dp greedy math number theory two pointers *1700	0 / 0	(无)
	382	P1497E2 Square-free division (hard version) data structures dp greedy math number theory two pointers *2500	0 / 0	(无)
	380	P1498B Box Fitting binary search bitmasks data structures greedy *1300	0 / 0	(无)
	377	P1498E Two Houses brute force graphs greedy interactive sortings *2200	0 / 0	(无)
	374	P1499B Binary Removals brute force dp greedy implementation *1000	0 / 0	(无)
	373	P1499C Minimum Grid Path brute force data structures greedy math *1500	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)
	358	P1503C Travelling Salesman Problem binary search data structures dp greedy shortest paths sortings two pointers *2200	0 / 0	(无)
	357	P1503D Flip the Cards 2-sat constructive algorithms data structures greedy sortings two pointers *2600	0 / 0	(无)
	353	P1504B Flip the Bits constructive algorithms greedy implementation math *1200	0 / 0	(无)
	348	P1505E Cakewalk special problem greedy implementation shortest paths 1800	0 / 0	(无)
	342	P1506B Partial Replacement greedy implementation *1100	0 / 0	(无)
	340	P1506D Epic Transformation constructive algorithms data structures greedy *1400	0 / 0	(无)
	337	P1506G Maximize the Remaining String brute force data structures dp greedy strings *2000	0 / 0	(无)
	336	P1508A Binary Literature constructive algorithms greedy implementation strings two pointers *1900	0 / 0	(无)
	334	P1508C Complete the MST bitmasks brute force data structures dfs and similar dsu graphs greedy trees *2500	0 / 0	(无)
	329	P1509B TMT Document greedy *1100	0 / 0	(无)
	328	P1509C The Sports Festival dp greedy *1800	0 / 0	(无)
	319	P1510I Is It Rated? greedy interactive math probabilities *2700	0 / 0	(无)
	316	P1511A Review Site greedy *800	0 / 0	(无)
	313	P1511D Min Cost String brute force constructive algorithms graphs greedy strings *1600	0 / 0	(无)
	312	P1511E Colorings and Dominoes combinatorics dp greedy math *2100	0 / 0	(无)
	306	P1512D Corrupted Array constructive algorithms data structures greedy *1200	0 / 0	(无)
	305	P1512E Permutation by Sum brute force greedy math *1600	0 / 0	(无)
	304	P1512F Education brute force dp greedy implementation *1900	0 / 0	(无)
	299	P1513D GCD and MST constructive algorithms dsu graphs greedy number theory sortings *2000	0 / 0	(无)
	294	P1514C Product 1 Modulo N greedy number theory *1600	0 / 0	(无)
	293	P1514D Cut and Stick binary search data structures greedy implementation sortings *2000	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)
	288	P1515D Phoenix and Socks greedy sortings two pointers *1500	0 / 0	(无)
	286	P1515F Phoenix and Earthquake constructive algorithms dfs and similar dsu graphs greedy trees *2600	0 / 0	(无)
	282	P1516A Tit for Tat greedy *800	0 / 0	(无)
	281	P1516B AGAGA XOOORRR bitmasks brute force dp greedy *1500	0 / 0	(无)
	277	P1517A Sum of 2050 greedy math *800	0 / 0	(无)
	276	P1517B Morning Jogging constructive algorithms greedy sortings *1200	0 / 0	(无)
	275	P1517C Fillomino 2 constructive algorithms dfs and similar greedy implementation *1400	0 / 0	(无)
	267	P1519C Berland Regional brute force data structures greedy number theory sortings *1400	0 / 0	(无)
	259	P1520E Arranging The Sheep greedy math *1400	0 / 0	(无)
	256	P1520G To Go Or Not To Go? brute force dfs and similar graphs greedy implementation shortest paths *2200	0 / 0	(无)
	252	P1521D Nastia Plays with a Tree constructive algorithms data structures dfs and similar dp dsu greedy implementation trees *2500	0 / 0	(无)
	251	P1521E Nastia and a Beautiful Matrix binary search constructive algorithms dp greedy *2700	0 / 0	(无)
	248	P1523C Compression and Expansion brute force data structures greedy implementation trees *1600	0 / 0	(无)

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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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