	ID	题目显示标签隐藏标签	AC / 尝试	难度
	862	P1401D Maximum Distributed Tree dfs and similar dp greedy implementation math number theory sortings trees *1800	0 / 0	(无)
	861	P1401E Divide Square data structures geometry implementation sortings *2400	0 / 0	(无)
	859	P1402A Fancy Fence special problem data structures dsu implementation math sortings 1800	0 / 0	(无)
	858	P1402B Roads special problem geometry sortings 2900	0 / 0	(无)
	856	P1403A The Potion of Great Power special problem 2-sat binary search data structures graphs interactive sortings two pointers 2400	0 / 0	(无)
	845	P1406B Maximum Product brute force dp greedy implementation sortings *1200	0 / 0	(无)
	833	P1408D Searchlights binary search brute force data structures dp implementation sortings two pointers *2000	0 / 0	(无)
	832	P1408E Avoid Rainbow Cycles data structures dsu graphs greedy sortings trees *2400	0 / 0	(无)
	823	P1409E Two Platforms binary search dp sortings two pointers *1800	0 / 0	(无)
	812	P1413C Perform Easily binary search brute force dp implementation sortings two pointers *1900	0 / 0	(无)
	800	P1416C XOR Inverse bitmasks data structures divide and conquer dp greedy math sortings strings trees *2000	0 / 0	(无)
	795	P1417B Two Arrays greedy math sortings *1100	0 / 0	(无)
	793	P1418B Negative Prefixes greedy sortings *1300	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)
	780	P1420A Cubes Sorting math sortings *900	0 / 0	(无)
	776	P1420D Rescue Nibel! combinatorics data structures sortings *1800	0 / 0	(无)
	766	P1422D Returning Home graphs shortest paths sortings *2300	0 / 0	(无)
	749	P1424G Years data structures sortings *1300	0 / 0	(无)
	748	P1424M Ancient Language graphs sortings *2200	0 / 0	(无)
	736	P1426D Non-zero Segments constructive algorithms data structures greedy sortings *1500	0 / 0	(无)
	733	P1427A Avoiding Zero math sortings *900	0 / 0	(无)
	732	P1427B Chess Cheater greedy implementation sortings *1400	0 / 0	(无)
	721	P1428E Carrots for Rabbits binary search data structures greedy math sortings *2200	0 / 0	(无)
	715	P1430B Barrels greedy implementation sortings *800	0 / 0	(无)
	683	P1437C Chef Monocarp dp flows graph matchings greedy math sortings *1800	0 / 0	(无)
	677	P1438B Valerii Against Everyone constructive algorithms data structures greedy sortings *1000	0 / 0	(无)
	657	P1443B Saving the City dp greedy math sortings *1300	0 / 0	(无)
	656	P1443C The Delivery Dilemma binary search greedy sortings *1400	0 / 0	(无)
	653	P1444B Divide and Sum combinatorics math sortings *1900	0 / 0	(无)
	649	P1445A Array Rearrangment greedy sortings *800	0 / 0	(无)
	647	P1446A Knapsack constructive algorithms greedy sortings *1300	0 / 0	(无)
	638	P1450A Avoid Trygub constructive algorithms sortings *800	0 / 0	(无)
	620	P1452B Toy Blocks binary search greedy math sortings *1400	0 / 0	(无)
	617	P1452E Two Editorials brute force dp greedy sortings two pointers *2500	0 / 0	(无)
	599	P1455D Sequence and Swaps dp greedy sortings *1600	0 / 0	(无)
	583	P1461D Divide and Summarize binary search brute force data structures divide and conquer implementation sortings *1600	0 / 0	(无)
	576	P1462E1 Close Tuples (easy version) binary search combinatorics math sortings two pointers *1500	0 / 0	(无)
	575	P1462E2 Close Tuples (hard version) binary search combinatorics implementation math sortings two pointers *1700	0 / 0	(无)
	569	P1463E Plan of Lectures constructive algorithms dfs and similar dsu graphs implementation sortings trees *2400	0 / 0	(无)
	563	P1466D 13th Labour of Heracles data structures greedy sortings trees *1500	0 / 0	(无)
	561	P1466F Euclid's nightmare bitmasks dfs and similar dsu graphs greedy math sortings *2100	0 / 0	(无)
	549	P1468D Firecrackers binary search sortings *1700	0 / 0	(无)
	532	P1470A Strange Birthday Party binary search dp greedy sortings two pointers *1300	0 / 0	(无)
	521	P1472D Even-Odd Game dp games greedy sortings *1200	0 / 0	(无)
	520	P1472E Correct Placement binary search data structures dp sortings two pointers *1700	0 / 0	(无)
	519	P1472F New Year's Puzzle brute force dp graph matchings greedy sortings *2100	0 / 0	(无)
	517	P1473A Replacing Elements greedy implementation math sortings *800	0 / 0	(无)
	508	P1474C Array Destruction brute force constructive algorithms data structures greedy implementation sortings *1700	0 / 0	(无)
	501	P1475D Cleaning the Phone binary search dp sortings two pointers *1800	0 / 0	(无)
	500	P1475E Advertising Agency combinatorics math sortings *1600	0 / 0	(无)
	498	P1475G Strange Beauty dp math number theory sortings *1900	0 / 0	(无)
	493	P1476E Pattern Matching bitmasks data structures dfs and similar graphs hashing sortings strings *2300	0 / 0	(无)
	491	P1476G Minimum Difference data structures hashing sortings two pointers *3100	0 / 0	(无)
	488	P1477C Nezzar and Nice Beatmap constructive algorithms geometry greedy math sortings *2200	0 / 0	(无)
	482	P1478C Nezzar and Symmetric Array implementation math sortings *1700	0 / 0	(无)
	474	P1480B The Great Hero greedy implementation sortings *900	0 / 0	(无)
	454	P1485F Copy or Prefix Sum combinatorics data structures dp sortings *2400	0 / 0	(无)
	452	P1486B Eastern Exhibition binary search geometry shortest paths sortings *1500	0 / 0	(无)
	446	P1487A Arena implementation sortings *800	0 / 0	(无)
	442	P1487E Cheap Dinner brute force data structures graphs greedy implementation sortings two pointers *2000	0 / 0	(无)
	424	P1490F Equalize the Array binary search data structures greedy math sortings *1500	0 / 0	(无)
	405	P1493D GCD of an Array brute force data structures hashing implementation math number theory sortings two pointers *2100	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)
	388	P1497A Meximization brute force data structures greedy sortings *800	0 / 0	(无)
	377	P1498E Two Houses brute force graphs greedy interactive sortings *2200	0 / 0	(无)
	365	P1500D Tiles for Bathroom data structures sortings two pointers *2900	0 / 0	(无)
	361	P1501B Napoleon Cake dp implementation sortings *900	1 / 1	10
	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)
	338	P1506F Triangular Paths constructive algorithms graphs math shortest paths sortings *2000	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)
	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)
	293	P1514D Cut and Stick binary search data structures greedy implementation sortings *2000	0 / 0	(无)
	292	P1514E Baby Ehab's Hyper Apartment binary search graphs interactive sortings two pointers *2700	0 / 0	(无)
	288	P1515D Phoenix and Socks greedy sortings two pointers *1500	0 / 0	(无)
	284	P1515H Phoenix and Bits bitmasks brute force data structures sortings *3500	0 / 0	(无)
	283	P1515I Phoenix and Diamonds binary search data structures sortings *3400	0 / 0	(无)
	276	P1517B Morning Jogging constructive algorithms greedy sortings *1200	0 / 0	(无)
	267	P1519C Berland Regional brute force data structures greedy number theory sortings *1400	0 / 0	(无)
	265	P1519E Off by One constructive algorithms dfs and similar geometry graphs sortings trees *2700	0 / 0	(无)
	240	P1525C Robot Collisions data structures greedy implementation sortings *2000	0 / 0	(无)
	236	P1526A Mean Inequality constructive algorithms sortings *800	0 / 0	(无)
	216	P1529B Sifid and Strange Subsequences greedy math sortings *1100	0 / 0	(无)
	213	P1530C Pursuit binary search brute force greedy sortings *1200	0 / 0	(无)
	196	P1532D Teams Forming *special problem sortings	0 / 0	(无)
	176	P1534G A New Beginning data structures dp geometry sortings *3300	0 / 0	(无)
	175	P1534H Lost Nodes constructive algorithms dp graphs interactive sortings trees *3500	0 / 0	(无)
	173	P1535B Array Reodering brute force greedy math number theory sortings *900	0 / 0	(无)
	146	P1539C Stable Groups greedy sortings *1200	0 / 0	(无)
	145	P1539D PriceFixed binary search greedy implementation sortings two pointers *1600	0 / 0	(无)
	143	P1539F Strange Array data structures greedy sortings *2600	0 / 0	(无)
	142	P1540A Great Graphs constructive algorithms graphs greedy shortest paths sortings *1400	0 / 0	(无)
	122	P1545A AquaMoon and Strange Sort sortings *1500	0 / 0	(无)
	109	P1547E Air Conditioners data structures dp implementation shortest paths sortings two pointers *1500	0 / 0	(无)
	89	P1550D Excellent Arrays binary search combinatorics constructive algorithms implementation math sortings two pointers *2300	0 / 0	(无)

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肖飞、关玉蓉、魏银珍、周芬

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