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Problemset

483 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
1697C	awoo's Favorite Problem binary search constructive algorithms data structures greedy implementation strings two pointers	1400	15.9k
1691D	Max GEQ Sum binary search constructive algorithms data structures divide and conquer implementation two pointers	1800	7.7k
1690C	Restoring the Duration of Tasks data structures greedy implementation	800	28.3k
1687D	Cute number binary search brute force data structures dsu implementation math	2900	775
1679B	Stone Age Problem data structures implementation	1200	29k
1679C	Rooks Defenders data structures implementation	1400	11.8k
1677B	Tokitsukaze and Meeting data structures implementation math	1700	4.6k
1676F	Longest Strike data structures greedy implementation sortings two pointers	1300	20.6k
1674F	Desktop Rearrangement data structures greedy implementation	1800	5.7k
1670C	Where is the Pizza? data structures dfs and similar dsu graphs implementation math	1400	11.1k
1665E	MinimizOR bitmasks brute force data structures divide and conquer greedy implementation two pointers	2500	1.9k
1662F	Antennas data structures dfs and similar graphs implementation shortest paths	unrated	1.3k
1660F2	Promising String (hard version) data structures implementation math strings	2100	3.2k
1659D	Reverse Sort Sum constructive algorithms data structures greedy implementation math two pointers	1900	4.5k
1658E	Gojou and Matrix Game data structures dp games hashing implementation math number theory sortings	2500	1.3k
1654C	Alice and the Cake data structures greedy implementation sortings	1400	14.6k
1651C	Fault-tolerant Network brute force data structures implementation	1500	11.6k
1650E	Rescheduling the Exam binary search data structures greedy implementation math sortings	1900	4.5k
1648C	Tyler and Strings combinatorics data structures implementation	1900	3.4k
1648D	Serious Business data structures divide and conquer dp implementation shortest paths	2800	1.1k
1648E	Air Reform data structures dfs and similar divide and conquer dsu graphs implementation trees	3200	601
1644D	Cross Coloring data structures implementation math	1700	7.9k
1644E	Expand the Path brute force combinatorics data structures implementation math	1900	3.5k
1638D	Big Brush constructive algorithms data structures greedy implementation	2000	4.8k
1638E	Colorful Operations brute force data structures implementation	2400	2.5k
1634F	Fibonacci Additions brute force data structures hashing implementation math	2700	2k
1627E	Not Escaping data structures dp implementation shortest paths two pointers	2200	2.9k
1626C	Monsters And Spells binary search data structures dp greedy implementation math two pointers	1700	12k
1625D	Binary Spiders bitmasks data structures implementation math sortings trees	2300	2.4k
1621B	Integers Shop data structures greedy implementation	1500	14.6k
1621E	New School binary search data structures dp greedy implementation sortings	2300	2k
1621F	Strange Instructions data structures greedy implementation	2700	662
1620E	Replace the Numbers constructive algorithms data structures dsu implementation	1900	9.8k
1619E	MEX and Increments constructive algorithms data structures dp greedy implementation math sortings	1700	10.3k
1598C	Delete Two Elements data structures dp implementation math two pointers	1200	23.9k
1598D	Training Session combinatorics data structures geometry implementation math	1700	10.7k
1598E	Staircases brute force combinatorics data structures dfs and similar dp implementation math	2100	2.5k
1593E	Gardener and Tree brute force data structures dfs and similar greedy implementation trees	1600	15.1k
1580A	Portal brute force data structures dp greedy implementation	1700	3.9k
1580C	Train Maintenance brute force data structures implementation	2200	2.3k
1574D	The Strongest Build binary search brute force data structures dfs and similar graphs greedy hashing implementation	2000	4.9k
1572A	Book binary search brute force data structures dp graphs implementation sortings	1800	10.6k
1569D	Inconvenient Pairs binary search data structures implementation sortings two pointers	1900	4.6k
1566D2	Seating Arrangements (hard version) data structures greedy implementation sortings two pointers	1600	8.4k
1566F	Points Movement data structures dp greedy implementation sortings	2600	1.2k
1566G	Four Vertices constructive algorithms data structures graphs greedy implementation shortest paths	3100	433
1547E	Air Conditioners data structures dp implementation shortest paths sortings two pointers	1500	16.6k
1539E	Game with Cards binary search constructive algorithms data structures dp greedy implementation	2500	1.1k
1538E	Funny Substrings data structures hashing implementation matrices strings	2100	3.3k
1536D	Omkar and Medians data structures greedy implementation	2000	5.2k
1535D	Playoff Tournament data structures dfs and similar dp implementation trees	1800	8.6k
1535F	String Distance binary search brute force data structures hashing implementation strings	3000	701
1533C	Sweets *special data structures implementation	unrated	484
1525C	Robot Collisions data structures greedy implementation sortings	2000	5k
1523C	Compression and Expansion brute force data structures greedy implementation trees	1600	9.2k
1521D	Nastia Plays with a Tree constructive algorithms data structures dfs and similar dp dsu greedy implementation trees	2500	2.4k
1517E	Group Photo binary search data structures implementation two pointers	2500	1.1k
1514D	Cut and Stick binary search data structures greedy implementation sortings	2000	5.1k
1511C	Yet Another Card Deck brute force data structures implementation trees	1100	34.4k
1503F	Balance the Cards constructive algorithms data structures divide and conquer geometry graphs implementation	3500	239
1495E	Qingshan and Daniel brute force data structures greedy implementation	3200	548
1493D	GCD of an Array brute force data structures hashing implementation math number theory sortings two pointers	2100	5.9k
1491C	Pekora and Trampoline brute force data structures dp greedy implementation	1700	8.4k
1487E	Cheap Dinner brute force data structures graphs greedy implementation sortings two pointers	2000	5.2k
1482D	Playlist data structures dsu implementation shortest paths	1900	4.1k
1479B1	Painting the Array I constructive algorithms data structures dp greedy implementation	1900	7.5k
1479B2	Painting the Array II constructive algorithms data structures dp greedy implementation	2100	4.5k
1474C	Array Destruction brute force constructive algorithms data structures greedy implementation sortings	1700	14.3k
1473D	Program data structures dp implementation strings	1700	11.1k
1470E	Strange Permutation binary search combinatorics data structures dp graphs implementation two pointers	3200	981
1468C	Berpizza data structures implementation	1400	11.5k
1468M	Similar Sets data structures graphs implementation	2300	1.2k
1461D	Divide and Summarize binary search brute force data structures divide and conquer implementation sortings	1600	10.4k
1450D	Rating Compression binary search data structures greedy implementation two pointers	1800	5.9k
1442B	Identify the Operations combinatorics data structures dsu greedy implementation	1800	5.4k
1439C	Greedy Shopping binary search data structures divide and conquer greedy implementation	2600	2.3k
1437E	Make It Increasing binary search constructive algorithms data structures dp implementation	2200	4k
1430C	Numbers on Whiteboard constructive algorithms data structures greedy implementation math	1000	28.7k
1420C2	Pokémon Army (hard version) data structures divide and conquer dp greedy implementation	2100	5.3k
1419F	Rain of Fire binary search data structures dfs and similar dsu graphs implementation	2800	632
1418D	Trash Problem data structures implementation	2100	4.8k
1416A	k-Amazing Numbers binary search data structures implementation two pointers	1500	17.4k
1416D	Graph and Queries data structures dsu graphs implementation trees	2600	2.9k
1413D	Shurikens data structures greedy implementation	1700	7k
1408D	Searchlights binary search brute force data structures dp implementation sortings two pointers	2000	4.7k
1402A	Fancy Fence *special data structures dsu implementation math sortings	1800	1.4k
1401E	Divide Square data structures geometry implementation sortings	2400	2.7k
1399D	Binary String To Subsequences constructive algorithms data structures greedy implementation	1500	20.1k
1398E	Two Types of Spells binary search data structures greedy implementation math sortings	2200	2.6k
1393B	Applejack and Storages constructive algorithms data structures greedy implementation	1400	17.4k
1388D	Captain Flint and Treasure data structures dfs and similar graphs greedy implementation trees	2000	7k
1385F	Removing Leaves data structures greedy implementation trees	2300	2.9k
1381A2	Prefix Flip (Hard Version) constructive algorithms data structures implementation strings two pointers	1700	14.5k
1380E	Merging Towers data structures dsu implementation trees	2300	2.5k
1374E2	Reading Books (hard version) data structures greedy implementation sortings ternary search two pointers	2500	1.1k
1371F	Raging Thunder data structures divide and conquer implementation	2800	746
1369E	DeadLee data structures dfs and similar greedy implementation sortings	2400	2.5k
1365C	Rotation Matching constructive algorithms data structures greedy implementation	1400	25.2k
1361F	Johnny and New Toy data structures implementation math	3300	255
1359D	Yet Another Yet Another Task data structures dp implementation two pointers	2000	10.9k

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