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Problemset

2,107 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
1366E	Two Arrays binary search brute force combinatorics constructive algorithms dp two pointers	2100	4.7k
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
1365E	Maximum Subsequence Value brute force constructive algorithms	1900	8.5k
1365F	Swaps Again constructive algorithms implementation sortings	2100	4.8k
1365G	Secure Password bitmasks combinatorics constructive algorithms interactive math	2800	1.5k
1364C	Ehab and Prefix MEXs brute force constructive algorithms greedy	1600	14.5k
1364D	Ehab's Last Corollary constructive algorithms dfs and similar graphs greedy implementation trees	2100	5.1k
1364E	X-OR bitmasks constructive algorithms divide and conquer interactive probabilities	2700	1.7k
1361A	Johnny and Contribution constructive algorithms graphs greedy sortings	1700	8.9k
1361C	Johnny and Megan's Necklace binary search bitmasks constructive algorithms dfs and similar dsu graphs	2500	2.1k
1360C	Similar Pairs constructive algorithms graph matchings greedy sortings	1100	37.3k
1360F	Spy-string bitmasks brute force constructive algorithms dp hashing strings	1700	13.7k
1360G	A/B Matrix constructive algorithms greedy math	1900	8.4k
1360H	Binary Median binary search bitmasks brute force constructive algorithms	2100	4.9k
1358E	Are You Fired? constructive algorithms data structures greedy implementation	2400	2.5k
1358F	Tasty Cookie binary search constructive algorithms greedy implementation	2700	538
1355D	Game With Array constructive algorithms math	1400	19.2k
1355F	Guess Divisors Count constructive algorithms interactive number theory	2600	984
1354F	Summoning Minions constructive algorithms dp flows graph matchings greedy sortings	2500	1.5k
1353A	Most Unstable Array constructive algorithms greedy math	800	45k
1353D	Constructing the Array constructive algorithms data structures sortings	1600	20.6k
1352B	Same Parity Summands constructive algorithms math	1200	46.1k
1352F	Binary String Reconstruction constructive algorithms dfs and similar math	1500	19.8k
1352G	Special Permutation constructive algorithms	1600	25.3k
1349B	Orac and Medians constructive algorithms greedy math	2000	9k
1349E	Slime and Hats constructive algorithms dp greedy	3500	126
1348B	Phoenix and Beauty constructive algorithms data structures greedy sortings	1400	27.9k
1348C	Phoenix and Distribution constructive algorithms greedy sortings strings	1600	15.6k
1348D	Phoenix and Science binary search constructive algorithms greedy implementation math	1900	9.4k
1344B	Monopole Magnets constructive algorithms dfs and similar dsu graphs	2000	6.4k
1343B	Balanced Array constructive algorithms math	800	66.4k
1343F	Restore the Permutation by Sorted Segments brute force constructive algorithms data structures greedy implementation	2400	1.4k
1342B	Binary Period constructive algorithms strings	1100	24.7k
1342D	Multiple Testcases binary search constructive algorithms data structures greedy sortings two pointers	1900	6.4k
1340D	Nastya and Time Machine constructive algorithms dfs and similar graphs trees	2600	1.1k
1339B	Sorted Adjacent Differences constructive algorithms sortings	1200	28.6k
1338B	Edge Weight Assignment bitmasks constructive algorithms dfs and similar greedy math trees	1800	9.7k
1338C	Perfect Triples bitmasks brute force constructive algorithms divide and conquer math	2200	3.5k
1338D	Nested Rubber Bands constructive algorithms dfs and similar dp math trees	2700	1.2k
1337A	Ichihime and Triangle constructive algorithms math	800	43.5k
1336D	Yui and Mahjong Set constructive algorithms interactive	3200	597
1335B	Construct the String constructive algorithms	900	43.1k
1335D	Anti-Sudoku constructive algorithms implementation	1300	29.7k
1334C	Circle of Monsters brute force constructive algorithms greedy math	1600	18.1k
1334D	Minimum Euler Cycle constructive algorithms graphs greedy implementation	1800	7.8k
1333A	Little Artem constructive algorithms	1000	26k
1333D	Challenges in school №41 brute force constructive algorithms games graphs greedy implementation sortings	2100	4.2k
1333E	Road to 1600 brute force constructive algorithms	2400	1.8k
1332B	Composite Coloring brute force constructive algorithms greedy math number theory	1400	19.3k
1332D	Walk on Matrix bitmasks constructive algorithms math	1700	8.5k
1332E	Height All the Same combinatorics constructive algorithms math matrices	2100	4.4k
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
1329D	Dreamoon Likes Strings constructive algorithms data structures	3100	553
1328D	Carousel constructive algorithms dp graphs greedy math	1800	14.7k
1327C	Game with Chips constructive algorithms implementation	1600	14.1k
1326A	Bad Ugly Numbers constructive algorithms number theory	1000	33k
1325A	EhAb AnD gCd constructive algorithms greedy number theory	800	47.1k
1325C	Ehab and Path-etic MEXs constructive algorithms dfs and similar greedy trees	1500	17.9k
1325D	Ehab the Xorcist bitmasks constructive algorithms greedy number theory	1700	13.8k
1325F	Ehab's Last Theorem constructive algorithms dfs and similar graphs greedy	2500	2.4k
1322B	Present binary search bitmasks constructive algorithms data structures math sortings	2100	4.7k
1321C	Remove Adjacent brute force constructive algorithms greedy strings	1600	10.6k
1316B	String Modification brute force constructive algorithms implementation sortings strings	1400	11.8k
1316C	Primitive Primes constructive algorithms math ternary search	1800	7.6k
1316D	Nash Matrix constructive algorithms dfs and similar graphs implementation	2000	3.7k
1313B	Different Rules constructive algorithms greedy implementation math	1700	7.1k
1312B	Bogosort constructive algorithms sortings	1000	41.1k
1311E	Construct the Binary Tree brute force constructive algorithms trees	2200	2.9k
1305A	Kuroni and the Gifts brute force constructive algorithms greedy sortings	800	14.7k
1305B	Kuroni and Simple Strings constructive algorithms greedy strings two pointers	1200	12.6k
1305D	Kuroni and the Celebration constructive algorithms dfs and similar interactive trees	1900	5.4k
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
1304D	Shortest and Longest LIS constructive algorithms graphs greedy two pointers	1800	6.8k
1302B	DAG constructive algorithms	unrated	156
1301D	Time to Run constructive algorithms graphs implementation	2000	4.3k
1296E1	String Coloring (easy version) constructive algorithms dp graphs greedy sortings	1800	8.3k
1296F	Berland Beauty constructive algorithms dfs and similar greedy sortings trees	2100	3.1k
1292B	Aroma's Search brute force constructive algorithms geometry greedy implementation	1700	6.8k
1292E	Rin and The Unknown Flower constructive algorithms greedy interactive math	3500	469
1290B	Irreducible Anagrams binary search constructive algorithms data structures strings two pointers	1800	7.4k
1290D	Coffee Varieties (hard version) constructive algorithms graphs interactive	3000	977
1288F	Red-Blue Graph constructive algorithms flows	2900	701
1286B	Numbers on Tree constructive algorithms data structures dfs and similar graphs greedy trees	1800	5.7k
1286C1	Madhouse (Easy version) brute force constructive algorithms interactive math	2400	1.6k
1286C2	Madhouse (Hard version) brute force constructive algorithms hashing interactive math	2800	767
1286F	Harry The Potter brute force constructive algorithms dp fft implementation math	3100	411
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
1283F	DIY Garland constructive algorithms greedy trees	2200	2.2k
1282D	Enchanted Artifact constructive algorithms interactive strings	2300	2.5k
1282E	The Cake Is a Lie constructive algorithms data structures dfs and similar graphs	2400	1.2k
1280F	Intergalactic Sliding Puzzle combinatorics constructive algorithms math	3400	113
1278E	Tests for problem D constructive algorithms dfs and similar divide and conquer trees	2200	2.1k
1276C	Beautiful Rectangle brute force combinatorics constructive algorithms data structures greedy math	2300	1.8k
1276E	Four Stones constructive algorithms	3500	126
1272B	Snow Walking Robot constructive algorithms greedy implementation	1200	14.7k

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