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Problemset

2,107 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
2123F	Minimize Fixed Points constructive algorithms number theory	1700	10.1k
2122A	Greedy Grid constructive algorithms greedy	800	20.7k
2122C	Manhattan Pairs constructive algorithms geometry greedy math sortings	1700	9.7k
2122F	Colorful Polygon constructive algorithms divide and conquer geometry	3400	151
2121B	Above the Clouds constructive algorithms greedy strings	800	32.8k
2120C	Divine Tree constructive algorithms greedy math sortings trees	1400	13k
2119C	A Good Problem bitmasks constructive algorithms math	1300	16.8k
2118A	Equal Subsequences constructive algorithms greedy	800	29.4k
2118B	Make It Permutation constructive algorithms	1200	20.5k
2118E	Grid Coloring constructive algorithms geometry greedy math	2400	1.4k
2117B	Shrink constructive algorithms	800	32.6k
2115A	Gellyfish and Flaming Peony constructive algorithms dp math number theory	1500	16.5k
2115B	Gellyfish and Camellia Japonica brute force constructive algorithms dfs and similar dp graphs greedy trees	2100	5k
2114G	Build an Array brute force constructive algorithms dp greedy math number theory	2200	2.1k
2113B	Good Start constructive algorithms math	1200	15k
2113C	Smilo and Minecraft brute force constructive algorithms greedy	1700	8.2k
2113D	Cheater binary search constructive algorithms greedy implementation	2200	3k
2113F	Two Arrays constructive algorithms dfs and similar graphs math	2500	992
2112D	Reachability and Tree constructive algorithms dfs and similar graphs trees	1700	9.8k
2111D	Creating a Schedule constructive algorithms data structures greedy implementation sortings	1400	12.3k
2111F	Puzzle brute force constructive algorithms greedy math	2400	1.5k
2110C	Racing constructive algorithms greedy	1400	16.2k
2109C1	Hacking Numbers (Easy Version) bitmasks constructive algorithms interactive math number theory	1500	11.8k
2109C2	Hacking Numbers (Medium Version) constructive algorithms interactive math number theory	1700	8.9k
2109C3	Hacking Numbers (Hard Version) constructive algorithms interactive math number theory	2600	3.3k
2108B	SUMdamental Decomposition bitmasks constructive algorithms greedy implementation math	1300	14.9k
2108E	Spruce Dispute constructive algorithms dfs and similar graphs greedy implementation shortest paths trees	2600	922
2107C	Maximum Subarray Sum binary search constructive algorithms dp implementation math	1500	12.5k
2107E	Ain and Apple Tree binary search constructive algorithms greedy math trees	2600	957
2106B	St. Chroma constructive algorithms greedy math	900	28.9k
2106G1	Baudelaire (easy version) binary search constructive algorithms divide and conquer greedy interactive trees	2200	1.7k
2104C	Card Game brute force constructive algorithms games greedy math	1100	17.8k
2103D	Local Construction constructive algorithms dfs and similar implementation two pointers	2000	4.1k
2103E	Keep the Sum constructive algorithms implementation two pointers	2600	622
2102A	Dinner Time constructive algorithms math	900	21.9k
2101A	Mex in the Grid constructive algorithms implementation	1300	14.7k
2096A	Wonderful Sticks constructive algorithms greedy	800	20.8k
2096D	Wonderful Lightbulbs combinatorics constructive algorithms math	2000	5.7k
2096G	Wonderful Guessing Game bitmasks constructive algorithms interactive	3200	451
2094B	Bobritto Bandito brute force constructive algorithms	800	33.8k
2094F	Trulimero Trulicina constructive algorithms	1600	11.8k
2092B	Lady Bug brute force constructive algorithms implementation math	1000	25.3k
2092C	Asuna and the Mosquitoes constructive algorithms greedy math	1200	23.1k
2092D	Mishkin Energizer brute force constructive algorithms greedy implementation strings	1800	7k
2092E	She knows... combinatorics constructive algorithms graphs math	2100	3.9k
2092F	Andryusha and CCB brute force constructive algorithms greedy math number theory strings	2900	438
2091C	Combination Lock constructive algorithms greedy	1000	29.4k
2091G	Gleb and Boating brute force constructive algorithms data structures dp graphs greedy math number theory shortest paths	2300	1.6k
2089A	Simple Permutation constructive algorithms number theory	1700	7.4k
2089D	Conditional Operators constructive algorithms	3200	196
2086E	Zebra-like Numbers bitmasks brute force constructive algorithms dfs and similar dp greedy math	2400	1.7k
2086F	Online Palindrome brute force constructive algorithms interactive	3000	142
2085A	Serval and String Theory constructive algorithms implementation	900	23.9k
2085B	Serval and Final MEX constructive algorithms implementation	1200	17.5k
2085C	Serval and The Formula bitmasks constructive algorithms dp greedy	1600	14k
2085E	Serval and Modulo constructive algorithms math number theory	2200	3.2k
2084A	Max and Mod constructive algorithms math	800	17.6k
2084C	You Soared Afar With Grace constructive algorithms data structures greedy implementation	1400	12k
2084D	Arcology On Permafrost binary search brute force constructive algorithms greedy math	1600	9.1k
2084F	Skyscape constructive algorithms data structures greedy	2900	519
2082A	Binary Matrix constructive algorithms greedy	800	11.3k
2081C	Quaternary Matrix bitmasks constructive algorithms greedy implementation matrices	2700	372
2081D	MST in Modulo Graph constructive algorithms dsu graphs greedy math number theory sortings trees	2600	1.2k
2081F	Hot Matrix constructive algorithms math	3300	144
2080A	Strong Connectivity Strikes Back *special constructive algorithms graphs	3200	46
2078B	Vicious Labyrinth constructive algorithms graphs greedy implementation math	1100	18.6k
2077A	Breach of Faith constructive algorithms greedy math sortings	1500	14.9k
2077B	Finding OR Sum bitmasks constructive algorithms implementation interactive math	1900	3.7k
2077E	Another Folding Strip combinatorics constructive algorithms data structures divide and conquer dp greedy math	2700	627
2077F	AND x OR bitmasks constructive algorithms dp	3300	271
2075B	Array Recoloring constructive algorithms greedy	1300	19.3k
2072B	Having Been a Treasurer in the Past, I Help Goblins Deceive combinatorics constructive algorithms strings	900	31.5k
2072C	Creating Keys for StORages Has Become My Main Skill bitmasks constructive algorithms greedy	1200	20k
2072E	Do You Love Your Hero and His Two-Hit Multi-Target Attacks? binary search brute force constructive algorithms dp geometry greedy math	1500	12.6k
2072F	Goodbye, Banker Life 2-sat bitmasks combinatorics constructive algorithms fft math number theory	1700	8.7k
2071B	Perfecto brute force constructive algorithms greedy math	1100	21.3k
2071C	Trapmigiano Reggiano constructive algorithms data structures dfs and similar dp greedy sortings trees	1700	9.9k
2071D2	Infinite Sequence (Hard Version) bitmasks brute force constructive algorithms data structures dp implementation math	2500	1.1k
2070E	Game with Binary String constructive algorithms data structures divide and conquer games greedy math	2200	1.9k
2069E	A, B, AB and BA constructive algorithms greedy sortings strings	2300	2k
2068A	Condorcet Elections constructive algorithms graphs greedy probabilities	2300	1k
2068B	Urban Planning constructive algorithms	3100	151
2068H	Statues constructive algorithms greedy math	2700	419
2067A	Adjacent Digit Sums brute force constructive algorithms math	800	25.9k
2066B	White Magic constructive algorithms data structures dp greedy implementation	1900	5.6k
2066F	Curse constructive algorithms dp math	3300	75
2065A	Skibidus and Amog'u brute force constructive algorithms greedy implementation strings	800	56.9k
2065E	Skibidus and Rizz constructive algorithms greedy strings	1600	12.3k
2064B	Variety is Discouraged binary search constructive algorithms greedy two pointers	1100	20.4k
2064C	Remove the Ends brute force constructive algorithms dp greedy	1300	18.1k
2063B	Subsequence Update constructive algorithms data structures greedy sortings	1100	23.6k
2062A	String constructive algorithms greedy math strings	800	28.5k
2062F	Traveling Salescat constructive algorithms dp geometry graphs greedy math sortings	2900	633
2061G	Kevin and Teams constructive algorithms graphs interactive	2900	526
2059A	Milya and Two Arrays constructive algorithms greedy sortings	800	29.4k
2059B	Cost of the Array brute force constructive algorithms greedy math	1300	19.1k
2059C	Customer Service brute force constructive algorithms graph matchings greedy math sortings	1600	12.8k
2059E1	Stop Gaming (Easy Version) brute force constructive algorithms greedy hashing strings	2500	907
2059E2	Stop Gaming (Hard Version) brute force constructive algorithms data structures hashing strings	2900	355
2057A	MEX Table constructive algorithms math	800	27.7k

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