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Problemset

196 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
1552E	Colors and Intervals constructive algorithms data structures greedy sortings	2300	2.1k
1551B2	Wonderful Coloring - 2 binary search constructive algorithms data structures greedy	1400	16.8k
1539E	Game with Cards binary search constructive algorithms data structures dp greedy implementation	2500	1.1k
1526D	Kill Anton brute force constructive algorithms data structures math strings	2200	2.8k
1521D	Nastia Plays with a Tree constructive algorithms data structures dfs and similar dp dsu greedy implementation trees	2500	2.4k
1520F2	Guess the K-th Zero (Hard version) binary search constructive algorithms data structures interactive	2200	3.4k
1515C	Phoenix and Towers constructive algorithms data structures greedy	1400	19k
1513F	Swapping Problem brute force constructive algorithms data structures sortings	2500	1.5k
1512D	Corrupted Array constructive algorithms data structures greedy	1200	24.8k
1508E	Tree Calendar brute force constructive algorithms data structures dfs and similar sortings trees	3100	453
1506D	Epic Transformation constructive algorithms data structures greedy	1400	25.9k
1503D	Flip the Cards 2-sat constructive algorithms data structures greedy sortings two pointers	2600	1.3k
1503F	Balance the Cards constructive algorithms data structures divide and conquer geometry graphs implementation	3500	239
1495F	Squares constructive algorithms data structures dp graphs trees	3300	533
1494D	Dogeforces constructive algorithms data structures dfs and similar divide and conquer dsu greedy sortings trees	2300	2.9k
1494E	A-Z Graph constructive algorithms data structures graphs hashing	2400	2.1k
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
1439B	Graph Subset Problem constructive algorithms data structures graphs	2600	1.7k
1438B	Valerii Against Everyone constructive algorithms data structures greedy sortings	1000	30.8k
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
1426D	Non-zero Segments constructive algorithms data structures greedy sortings	1500	17.8k
1406D	Three Sequences constructive algorithms data structures greedy math	2200	3.9k
1404C	Fixed Point Removal binary search constructive algorithms data structures greedy two pointers	2300	3.1k
1399D	Binary String To Subsequences constructive algorithms data structures greedy implementation	1500	20.1k
1393B	Applejack and Storages constructive algorithms data structures greedy implementation	1400	17.4k
1392F	Omkar and Landslide binary search constructive algorithms data structures greedy math	2400	2.6k
1381A1	Prefix Flip (Easy Version) constructive algorithms data structures strings	1300	21.9k
1381A2	Prefix Flip (Hard Version) constructive algorithms data structures implementation strings two pointers	1700	14.5k
1375C	Element Extermination constructive algorithms data structures greedy	1400	23.2k
1373F	Network Coverage binary search constructive algorithms data structures greedy	2400	1.9k
1370E	Binary Subsequence Rotation binary search constructive algorithms data structures greedy	2100	5.3k
1365C	Rotation Matching constructive algorithms data structures greedy implementation	1400	25.2k
1358E	Are You Fired? constructive algorithms data structures greedy implementation	2400	2.5k
1353D	Constructing the Array constructive algorithms data structures sortings	1600	20.6k
1348B	Phoenix and Beauty constructive algorithms data structures greedy sortings	1400	27.9k
1343F	Restore the Permutation by Sorted Segments brute force constructive algorithms data structures greedy implementation	2400	1.4k
1342D	Multiple Testcases binary search constructive algorithms data structures greedy sortings two pointers	1900	6.4k
1329C	Drazil Likes Heap constructive algorithms data structures greedy implementation	2400	1.8k
1329D	Dreamoon Likes Strings constructive algorithms data structures	3100	553
1322B	Present binary search bitmasks constructive algorithms data structures math sortings	2100	4.7k
1290B	Irreducible Anagrams binary search constructive algorithms data structures strings two pointers	1800	7.4k
1286B	Numbers on Tree constructive algorithms data structures dfs and similar graphs greedy trees	1800	5.7k
1285E	Delete a Segment brute force constructive algorithms data structures dp graphs sortings trees two pointers	2300	2k
1283C	Friends and Gifts constructive algorithms data structures math	1500	14.3k
1282E	The Cake Is a Lie constructive algorithms data structures dfs and similar graphs	2400	1.2k
1276C	Beautiful Rectangle brute force combinatorics constructive algorithms data structures greedy math	2300	1.8k
1266D	Decreasing Debts constructive algorithms data structures graphs greedy implementation math two pointers	2000	3.9k
1163E	Magical Permutation bitmasks brute force constructive algorithms data structures graphs math	2400	1.1k
1158C	Permutation recovery constructive algorithms data structures dfs and similar graphs greedy math sortings	2100	2.3k
1107G	Vasya and Maximum Profit binary search constructive algorithms data structures dp dsu	2400	1.3k
1090C	New Year Presents constructive algorithms data structures	2400	578
1041E	Tree Reconstruction constructive algorithms data structures graphs greedy	1900	3.9k
1039A	Timetable constructive algorithms data structures greedy math	2300	892
1023D	Array Restoration constructive algorithms data structures	1700	4.3k
926E	Merge Equal Elements constructive algorithms data structures	1900	1.1k
911E	Stack Sorting constructive algorithms data structures greedy implementation	2000	2.9k
888G	Xor-MST bitmasks constructive algorithms data structures	2300	6.1k
865D	Buy Low Sell High constructive algorithms data structures greedy	2400	8.5k
848B	Rooter's Song constructive algorithms data structures geometry implementation sortings two pointers	1900	2k
847D	Dog Show constructive algorithms data structures greedy	2200	1.4k
840B	Leha and another game about graph constructive algorithms data structures dfs and similar dp graphs	2100	2.9k
798E	Mike and code of a permutation constructive algorithms data structures graphs sortings	3000	558
796C	Bank Hacking constructive algorithms data structures dp trees	1900	3.2k
776F	Sherlock's bet to Moriarty constructive algorithms data structures divide and conquer geometry graphs implementation trees	2800	543
766E	Mahmoud and a xor trip bitmasks constructive algorithms data structures dfs and similar dp math trees	2100	3.6k
748D	Santa Claus and a Palindrome constructive algorithms data structures greedy	2100	2.1k
733E	Sleep in Class constructive algorithms data structures math two pointers	2400	1.1k
729E	Subordinates constructive algorithms data structures graphs greedy sortings	1900	2.4k
721D	Maxim and Array constructive algorithms data structures greedy math	2000	2.5k
681C	Heap Operations constructive algorithms data structures greedy	1600	10.7k
675C	Money Transfers constructive algorithms data structures greedy sortings	2100	3.9k
644B	Processing Queries *special constructive algorithms data structures two pointers	1700	2.9k
637B	Chat Order *special binary search constructive algorithms data structures sortings	1200	24.4k
633E	Startup Funding binary search constructive algorithms data structures probabilities two pointers	2400	654
610D	Vika and Segments constructive algorithms data structures geometry two pointers	2300	1.8k
605B	Lazy Student constructive algorithms data structures graphs	1700	3.9k
570C	Replacement constructive algorithms data structures implementation	1600	9.6k
543E	Listening to Music constructive algorithms data structures	3200	341
534D	Handshakes binary search constructive algorithms data structures greedy	1900	2.6k
525D	Arthur and Walls constructive algorithms data structures graphs greedy shortest paths	2400	2.3k
518C	Anya and Smartphone constructive algorithms data structures implementation	1600	6.4k
513D2	Constrained Tree constructive algorithms data structures	2600	404
501C	Misha and Forest constructive algorithms data structures greedy sortings trees	1500	6.1k
484E	Sign on Fence binary search constructive algorithms data structures	2500	3.2k
482B	Interesting Array constructive algorithms data structures trees	1800	7.9k
424D	Biathlon Track binary search brute force constructive algorithms data structures dp	2300	639
313E	Ilya and Two Numbers constructive algorithms data structures dsu greedy	2300	631
283A	Cows and Sequence constructive algorithms data structures implementation	1600	6.9k
264A	Escape from Stones constructive algorithms data structures implementation two pointers	1200	11.9k
220B	Little Elephant and Array constructive algorithms data structures	1800	13.4k
156B	Suspects constructive algorithms data structures implementation	1600	2.5k
30E	Tricky and Clever Password binary search constructive algorithms data structures greedy hashing strings	2800	961
5C	Longest Regular Bracket Sequence constructive algorithms data structures dp greedy sortings strings	1900	18.8k

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