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Problemset

478 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
1619E	MEX and Increments constructive algorithms data structures dp greedy implementation math sortings	1700	10.3k
1618F	Reverse bitmasks constructive algorithms dfs and similar implementation math strings	2000	4.8k
1617D1	Too Many Impostors (easy version) constructive algorithms implementation interactive	1800	5.2k
1617D2	Too Many Impostors (hard version) constructive algorithms implementation interactive math	2400	2.1k
1606D	Red-Blue Matrix brute force constructive algorithms implementation sortings	2400	1.6k
1605D	Treelabeling bitmasks constructive algorithms dfs and similar games greedy implementation trees	2100	3.3k
1602B	Divine Array constructive algorithms implementation	1100	14.8k
1574E	Coloring combinatorics constructive algorithms implementation math	2500	1.1k
1571D	Sweepstake *special brute force constructive algorithms implementation math	1800	373
1567D	Expression Evaluation Error constructive algorithms greedy implementation math	2000	4.9k
1567F	One-Four Overload 2-sat constructive algorithms dfs and similar dsu graphs implementation	2700	888
1566G	Four Vertices constructive algorithms data structures graphs greedy implementation shortest paths	3100	433
1562B	Scenes From a Memory brute force constructive algorithms implementation math number theory	1000	20.7k
1555C	Coin Rows brute force constructive algorithms dp implementation	1300	24.4k
1551D2	Domino (hard version) constructive algorithms implementation math	2100	3k
1550D	Excellent Arrays binary search combinatorics constructive algorithms implementation math sortings two pointers	2300	2.1k
1541A	Pretty Permutations constructive algorithms greedy implementation	800	30.9k
1539E	Game with Cards binary search constructive algorithms data structures dp greedy implementation	2500	1.1k
1537C	Challenging Cliffs constructive algorithms greedy implementation math	1200	30.7k
1530B	Putting Plates constructive algorithms implementation	800	16.3k
1521D	Nastia Plays with a Tree constructive algorithms data structures dfs and similar dp dsu greedy implementation trees	2500	2.4k
1517C	Fillomino 2 constructive algorithms dfs and similar greedy implementation	1400	14.3k
1513A	Array and Peaks constructive algorithms implementation	800	20.1k
1512C	A-B Palindrome constructive algorithms implementation strings	1200	22k
1508A	Binary Literature constructive algorithms greedy implementation strings two pointers	1900	6.7k
1508B	Almost Sorted binary search combinatorics constructive algorithms implementation	1800	4.5k
1506E	Restoring the Permutation constructive algorithms implementation	1500	14.3k
1504B	Flip the Bits constructive algorithms greedy implementation math	1200	27.1k
1503F	Balance the Cards constructive algorithms data structures divide and conquer geometry graphs implementation	3500	239
1494F	Delete The Edges brute force constructive algorithms dfs and similar graphs implementation	2900	531
1492E	Almost Fault-Tolerant Database brute force constructive algorithms dfs and similar greedy implementation	2500	1.3k
1487C	Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math	1500	15.6k
1482C	Basic Diplomacy brute force constructive algorithms greedy implementation	1600	10.1k
1481D	AB Graph brute force constructive algorithms graphs greedy implementation	2000	4.9k
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
1463E	Plan of Lectures constructive algorithms dfs and similar dsu graphs implementation sortings trees	2400	1.8k
1455E	Four Points brute force constructive algorithms flows geometry greedy implementation math ternary search	2400	1.7k
1453B	Suffix Operations constructive algorithms implementation	1400	14.2k
1439A1	Binary Table (Easy Version) constructive algorithms implementation	1500	9.8k
1439A2	Binary Table (Hard Version) constructive algorithms graphs greedy implementation	1900	5.4k
1438A	Specific Tastes of Andre constructive algorithms implementation	800	19.8k
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
1428D	Bouncing Boomerangs constructive algorithms greedy implementation	1900	4.7k
1427D	Unshuffling a Deck constructive algorithms implementation	2000	3.7k
1421B	Putting Bricks in the Wall constructive algorithms implementation	1100	13.5k
1421D	Hexagons brute force constructive algorithms greedy implementation math shortest paths	1900	4.4k
1419B	Stairs brute force constructive algorithms greedy implementation math	1200	17.1k
1419E	Decryption constructive algorithms implementation math number theory	2100	3.5k
1405B	Array Cancellation constructive algorithms implementation	1000	23.3k
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
1391D	505 bitmasks brute force constructive algorithms dp greedy implementation	2000	5.8k
1384B2	Koa and the Beach (Hard Version) constructive algorithms dp greedy implementation	2200	2.6k
1381A2	Prefix Flip (Hard Version) constructive algorithms data structures implementation strings two pointers	1700	14.5k
1381C	Mastermind constructive algorithms graph matchings greedy implementation sortings two pointers	2500	1.7k
1380D	Berserk And Fireball constructive algorithms greedy implementation math two pointers	2000	5.1k
1374F	Cyclic Shifts Sorting brute force constructive algorithms implementation sortings	2400	1.4k
1372A	Omkar and Completion constructive algorithms implementation	800	33.6k
1371D	Grid-00100 constructive algorithms greedy implementation	1600	13.8k
1367D	Task On The Board constructive algorithms greedy implementation sortings	1800	8.9k
1365B	Trouble Sort constructive algorithms implementation	1300	29.1k
1365C	Rotation Matching constructive algorithms data structures greedy implementation	1400	25.2k
1365D	Solve The Maze constructive algorithms dfs and similar dsu graphs greedy implementation shortest paths	1700	21.3k
1365F	Swaps Again constructive algorithms implementation sortings	2100	4.8k
1364D	Ehab's Last Corollary constructive algorithms dfs and similar graphs greedy implementation trees	2100	5.1k
1358E	Are You Fired? constructive algorithms data structures greedy implementation	2400	2.5k
1358F	Tasty Cookie binary search constructive algorithms greedy implementation	2700	538
1348D	Phoenix and Science binary search constructive algorithms greedy implementation math	1900	9.4k
1343F	Restore the Permutation by Sorted Segments brute force constructive algorithms data structures greedy implementation	2400	1.4k
1335D	Anti-Sudoku constructive algorithms implementation	1300	29.7k
1334D	Minimum Euler Cycle constructive algorithms graphs greedy implementation	1800	7.8k
1333D	Challenges in school №41 brute force constructive algorithms games graphs greedy implementation sortings	2100	4.2k
1329A	Dreamoon Likes Coloring constructive algorithms greedy implementation math	1800	9.8k
1329C	Drazil Likes Heap constructive algorithms data structures greedy implementation	2400	1.8k
1327C	Game with Chips constructive algorithms implementation	1600	14.1k
1316B	String Modification brute force constructive algorithms implementation sortings strings	1400	11.8k
1316D	Nash Matrix constructive algorithms dfs and similar graphs implementation	2000	3.7k
1313B	Different Rules constructive algorithms greedy implementation math	1700	7.1k
1305E	Kuroni and the Score Distribution constructive algorithms greedy implementation math	2200	3.3k
1304B	Longest Palindrome brute force constructive algorithms greedy implementation strings	1100	18.9k
1301D	Time to Run constructive algorithms graphs implementation	2000	4.3k
1292B	Aroma's Search brute force constructive algorithms geometry greedy implementation	1700	6.8k
1286F	Harry The Potter brute force constructive algorithms dp fft implementation math	3100	411
1272B	Snow Walking Robot constructive algorithms greedy implementation	1200	14.7k
1268A	Long Beautiful Integer constructive algorithms greedy implementation strings	1700	9.2k
1267I	Intriguing Selection brute force constructive algorithms implementation interactive sortings	2600	1.1k
1266D	Decreasing Debts constructive algorithms data structures graphs greedy implementation math two pointers	2000	3.9k
1255C	League of Leesins constructive algorithms implementation	1600	7.3k
1254A	Feeding Chicken constructive algorithms greedy implementation	1700	5.8k
1244D	Paint the Tree brute force constructive algorithms dp graphs implementation trees	1800	8.4k
1244F	Chips constructive algorithms implementation	2300	1.7k
1237C2	Balanced Removals (Harder) binary search constructive algorithms divide and conquer greedy implementation sortings	1900	4.6k
1236C	Labs constructive algorithms greedy implementation	1300	10.6k
1228D	Complete Tripartite brute force constructive algorithms graphs hashing implementation	1900	5.5k
1228F	One Node is Gone constructive algorithms implementation trees	2500	620
1209C	Paint the Digits constructive algorithms greedy implementation	1500	7.9k
1207B	Square Filling constructive algorithms greedy implementation	1200	13.8k

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