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Problemset

2,107 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
1148E	Earth Wind and Fire constructive algorithms greedy math sortings two pointers	2300	1.9k
1148F	Foo Fighters bitmasks constructive algorithms	2700	1.2k
1148G	Gold Experience constructive algorithms graphs math number theory probabilities	3300	615
1144C	Two Shuffled Sequences constructive algorithms sortings	1000	16.5k
1144D	Equalize Them All constructive algorithms greedy	1400	10.9k
1141G	Privatization of Roads in Treeland binary search constructive algorithms dfs and similar graphs greedy trees	1900	2.6k
1137D	Cooperative Game constructive algorithms interactive number theory	2400	2.2k
1136B	Nastya Is Playing Computer Games constructive algorithms math	1000	12.3k
1136C	Nastya Is Transposing Matrices constructive algorithms sortings	1500	8k
1133F2	Spanning Tree with One Fixed Degree constructive algorithms dfs and similar dsu graphs greedy	1900	3.9k
1131F	Asya And Kittens constructive algorithms dsu	1700	7.9k
1129B	Wrong Answer constructive algorithms	2000	2.3k
1120B	Once in a casino constructive algorithms greedy implementation math	2700	481
1119C	Ramesses and Corner Inversion constructive algorithms greedy implementation math	1500	7.2k
1119G	Get Ready for the Battle constructive algorithms implementation	3100	630
1118C	Palindromic Matrix constructive algorithms implementation	1700	6.1k
1118E	Yet Another Ball Problem constructive algorithms implementation	1700	4.5k
1117E	Decypher the String bitmasks chinese remainder theorem constructive algorithms interactive math	2200	1.7k
1114B	Yet Another Array Partitioning Task constructive algorithms greedy sortings	1500	9.4k
1110C	Meaningless Operations constructive algorithms math number theory	1500	10.1k
1110E	Magic Stones constructive algorithms math sortings	2200	4.8k
1110G	Tree-Tac-Toe constructive algorithms games trees	3100	771
1109B	Sasha and One More Name constructive algorithms hashing strings	1800	4.6k
1108D	Diverse Garland constructive algorithms dp greedy	1400	16.6k
1107G	Vasya and Maximum Profit binary search constructive algorithms data structures dp dsu	2400	1.3k
1104A	Splitting into digits constructive algorithms implementation math	800	15.9k
1103A	Grid game constructive algorithms implementation	1400	10.7k
1103B	Game with modulo binary search constructive algorithms interactive	2000	3.6k
1103C	Johnny Solving constructive algorithms dfs and similar graphs math	2700	1k
1100D	Dasha and Chess constructive algorithms games interactive	2500	969
1099B	Squares and Segments binary search constructive algorithms math	1100	11.5k
1099C	Postcard constructive algorithms implementation	1200	10.5k
1098A	Sum in the tree constructive algorithms dfs and similar greedy trees	1600	9.7k
1098B	Nice table brute force constructive algorithms greedy math	2100	1.8k
1098C	Construct a tree binary search constructive algorithms dfs and similar graphs greedy trees	2400	1.2k
1097E	Egor and an RPG game constructive algorithms greedy	3400	687
1093B	Letters Rearranging constructive algorithms greedy sortings strings	900	17.8k
1092E	Minimal Diameter Forest constructive algorithms dfs and similar greedy trees	2000	2.2k
1091B	New Year and the Treasure Geolocation brute force constructive algorithms greedy implementation	1200	11k
1091F	New Year and the Mallard Expedition constructive algorithms greedy	2600	929
1090C	New Year Presents constructive algorithms data structures	2400	578
1090D	Similar Arrays constructive algorithms	1800	2.4k
1090F	How to Learn You Score constructive algorithms interactive	2600	381
1089E	Easy Chess constructive algorithms	1700	2.2k
1089M	Minegraphed constructive algorithms graphs	2400	657
1088A	Ehab and another construction problem brute force constructive algorithms	800	17.7k
1088C	Ehab and a 2-operation task constructive algorithms greedy math	1400	8.5k
1088D	Ehab and another another xor problem bitmasks constructive algorithms implementation interactive	2000	3.2k
1085D	Minimum Diameter Tree constructive algorithms implementation trees	1700	6k
1082D	Maximum Diameter Graph constructive algorithms graphs implementation	1800	4.2k
1081A	Definite Game constructive algorithms math	800	13.3k
1081B	Farewell Party constructive algorithms implementation	1500	4.7k
1081E	Missing Numbers binary search constructive algorithms greedy math number theory	1900	2.8k
1081F	Tricky Interactor constructive algorithms implementation interactive	2600	569
1080D	Olya and magical square constructive algorithms implementation math	2000	1.7k
1078E	Negative Time Summation constructive algorithms	3400	106
1070L	Odd Federalization constructive algorithms	2600	426
1070M	Algoland and Berland constructive algorithms divide and conquer geometry	3000	90
1068C	Colored Rooks constructive algorithms graphs	1700	3.4k
1067C	Knights constructive algorithms	2600	720
1065B	Vasya and Isolated Vertices constructive algorithms graphs	1300	11.7k
1063A	Oh Those Palindromes constructive algorithms strings	1300	11.2k
1063C	Dwarves, Hats and Extrasensory Abilities binary search constructive algorithms geometry interactive	1900	3.3k
1063E	Lasers and Mirrors constructive algorithms math	3000	408
1060H	Sophisticated Device constructive algorithms	3300	349
1059C	Sequence Transformation constructive algorithms math	1600	7.6k
1056D	Decorate Apple Tree constructive algorithms dfs and similar dp graphs greedy sortings trees	1600	6.8k
1054C	Candies Distribution constructive algorithms implementation	1500	4.5k
1054E	Chips Puzzle constructive algorithms implementation math	2400	519
1054G	New Road Network constructive algorithms greedy math	3300	930
1053E	Euler tour constructive algorithms trees	3500	251
1045E	Ancient civilizations constructive algorithms geometry	3200	255
1043C	Smallest Word constructive algorithms greedy implementation	1500	7.3k
1043E	Train Hard, Win Easy constructive algorithms greedy math sortings	1900	3.5k
1042C	Array Product constructive algorithms greedy math	1700	5k
1041E	Tree Reconstruction constructive algorithms data structures graphs greedy	1900	3.9k
1039A	Timetable constructive algorithms data structures greedy math	2300	892
1038B	Non-Coprime Partition constructive algorithms math	1100	14.9k
1037A	Packets constructive algorithms greedy math	1300	11.9k
1034B	Little C Loves 3 II brute force constructive algorithms flows graph matchings	2200	2.3k
1033E	Hidden Bipartite Graph binary search constructive algorithms dfs and similar graphs interactive	2800	823
1032C	Playing Piano constructive algorithms dp	1700	4.4k
1031E	Triple Flips constructive algorithms	2600	602
1028B	Unnatural Conditions constructive algorithms math	1200	10.4k
1028E	Restore Array constructive algorithms	2400	1.2k
1025C	Plasticine zebra constructive algorithms implementation	1600	6.5k
1025E	Colored Cubes constructive algorithms implementation matrices	2700	626
1025G	Company Acquisitions constructive algorithms math	3200	969
1023D	Array Restoration constructive algorithms data structures	1700	4.3k
1023E	Down or Right constructive algorithms interactive matrices	2100	2.3k
1019C	Sergey's problem constructive algorithms graphs	3000	1.6k
1017C	The Phone Number constructive algorithms greedy	1600	6.5k
1016D	Vasya And The Matrix constructive algorithms flows math	1800	5k
1015D	Walking Between Houses constructive algorithms greedy	1600	9k
1012B	Chemical table constructive algorithms dfs and similar dsu graphs matrices	1900	4.4k
1012D	AB-Strings constructive algorithms strings	2800	450
1009D	Relatively Prime Graph brute force constructive algorithms graphs greedy math	1700	6.7k
1004B	Sonya and Exhibition constructive algorithms greedy implementation math	1300	10k
1004C	Sonya and Robots constructive algorithms implementation	1400	7.9k
1004D	Sonya and Matrix brute force constructive algorithms implementation	2300	1.5k

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