Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
09:10:16
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constructive algorithms

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Problems

#	Name
1174A	Ehab Fails to Be Thanos constructive algorithms, greedy, sortings	1000	x17571
1173B	Nauuo and Chess constructive algorithms, greedy	1100	x9061
1172D	Nauuo and Portals constructive algorithms	2900	x496
1170H	Longest Saw *special problem, constructive algorithms		x48
1168E	Xor Permutations constructive algorithms, math	3100	x373
1167D	Bicolored RBS constructive algorithms, greedy	1500	x6933
1166E	The LCMs Must be Large bitmasks, brute force, constructive algorithms, math, number theory	2100	x2819
1166B	All the Vowels Please constructive algorithms, math, number theory	1100	x11449
1163E	Magical Permutation bitmasks, brute force, constructive algorithms, data structures, graphs, math	2400	x664
1158D	Winding polygonal line constructive algorithms, geometry, greedy, math	2600	x836
1158C	Permutation recovery constructive algorithms, data structures, dfs and similar, graphs, greedy, math, sortings	2100	x1935
1158B	The minimal unique substring constructive algorithms, math, strings	2200	x2222
1158A	The Party and Sweets binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers	1500	x7094
1157G	Inverse of Rows and Columns brute force, constructive algorithms	2200	x912
1157F	Maximum Balanced Circle constructive algorithms, dp, greedy, two pointers	2000	x2627
1157D	N Problems During K Days constructive algorithms, greedy, math	1900	x3738
1153B	Serval and Toy Bricks constructive algorithms, greedy	1200	x9058
1152E	Neko and Flashback constructive algorithms, dfs and similar, graphs	2400	x969
1152B	Neko Performs Cat Furrier Transform bitmasks, constructive algorithms, dfs and similar, math	1300	x8894
1151C	Problem for Nazar constructive algorithms, math	1800	x5331
1151B	Dima and a Bad XOR bitmasks, brute force, constructive algorithms, dp	1600	x11127
1149A	Prefix Sum Primes constructive algorithms, greedy, math, number theory	1200	x15153
1148G	Gold Experience constructive algorithms, graphs, math, number theory, probabilities	3300	x320
1148F	Foo Fighters bitmasks, constructive algorithms	2700	x1008
1148E	Earth Wind and Fire constructive algorithms, greedy, math, sortings, two pointers	2300	x1670
1148C	Crazy Diamond constructive algorithms, sortings	1700	x5291
1144D	Equalize Them All constructive algorithms, greedy	1400	x10244
1144C	Two Shuffled Sequences constructive algorithms, sortings	1000	x15300
1141G	Privatization of Roads in Treeland binary search, constructive algorithms, dfs and similar, graphs, greedy, trees	1900	x2263
1137D	Cooperative Game constructive algorithms, interactive, number theory	2400	x1579
1136C	Nastya Is Transposing Matrices constructive algorithms, sortings	1500	x7698
1136B	Nastya Is Playing Computer Games constructive algorithms, math	1000	x11676
1133F2	Spanning Tree with One Fixed Degree constructive algorithms, dfs and similar, dsu, graphs, greedy	1900	x3334
1131F	Asya And Kittens constructive algorithms, dsu	1700	x6649
1129B	Wrong Answer constructive algorithms	2000	x2196
1120B	Once in a casino constructive algorithms, greedy, implementation, math	2700	x419
1119G	Get Ready for the Battle constructive algorithms, implementation	3100	x499
1119C	Ramesses and Corner Inversion constructive algorithms, greedy, implementation, math	1500	x6822
1118E	Yet Another Ball Problem constructive algorithms, implementation	1700	x4133
1118C	Palindromic Matrix constructive algorithms, implementation	1700	x5761
1117E	Decypher the String bitmasks, chinese remainder theorem, constructive algorithms, interactive, math	2200	x1506
1114B	Yet Another Array Partitioning Task constructive algorithms, greedy, sortings	1500	x8955
1110G	Tree-Tac-Toe constructive algorithms, games, trees	3100	x619
1110E	Magic Stones constructive algorithms, math, sortings	2200	x4154
1110C	Meaningless Operations constructive algorithms, math, number theory	1500	x9350
1109B	Sasha and One More Name constructive algorithms, hashing, strings	1800	x4347
1108D	Diverse Garland constructive algorithms, dp, greedy	1400	x15042
1107G	Vasya and Maximum Profit binary search, constructive algorithms, data structures, dp, dsu	2400	x1042
1104A	Splitting into digits constructive algorithms, implementation, math	800	x15391
1103C	Johnny Solving constructive algorithms, dfs and similar, graphs, math	2700	x841
1103B	Game with modulo binary search, constructive algorithms, interactive	2000	x3268
1103A	Grid game constructive algorithms, implementation	1400	x9753
1100D	Dasha and Chess constructive algorithms, games, interactive	2500	x845
1099C	Postcard constructive algorithms, implementation	1200	x9605
1099B	Squares and Segments binary search, constructive algorithms, math	1100	x11100
1098C	Construct a tree binary search, constructive algorithms, dfs and similar, graphs, greedy, trees	2400	x1073
1098B	Nice table brute force, constructive algorithms, greedy, math	2100	x1673
1098A	Sum in the tree constructive algorithms, dfs and similar, greedy, trees	1600	x8738
1097E	Egor and an RPG game constructive algorithms, greedy	3400	x481
1093B	Letters Rearranging constructive algorithms, greedy, sortings, strings	900	x16450
1092E	Minimal Diameter Forest constructive algorithms, dfs and similar, greedy, trees	2000	x1725
1091F	New Year and the Mallard Expedition constructive algorithms, greedy	2600	x818
1091B	New Year and the Treasure Geolocation brute force, constructive algorithms, greedy, implementation	1200	x10650
1090F	How to Learn You Score constructive algorithms, interactive	2600	x317
1090D	Similar Arrays constructive algorithms	1800	x2052
1090C	New Year Presents constructive algorithms, data structures	2400	x493
1089M	Minegraphed constructive algorithms, graphs	2400	x588
1089E	Easy Chess constructive algorithms	1700	x1971
1088D	Ehab and another another xor problem bitmasks, constructive algorithms, implementation, interactive	2000	x2828
1088C	Ehab and a 2-operation task constructive algorithms, greedy, math	1400	x8045
1088A	Ehab and another construction problem brute force, constructive algorithms	800	x16769
1085D	Minimum Diameter Tree constructive algorithms, implementation, trees	1700	x5420
1082D	Maximum Diameter Graph constructive algorithms, graphs, implementation	1800	x3791
1081F	Tricky Interactor constructive algorithms, implementation, interactive	2600	x462
1081E	Missing Numbers binary search, constructive algorithms, greedy, math, number theory	1900	x2582
1081B	Farewell Party constructive algorithms, implementation	1500	x4441
1081A	Definite Game constructive algorithms, math	800	x12015
1080D	Olya and magical square constructive algorithms, implementation, math	2000	x1541
1078E	Negative Time Summation constructive algorithms	3400	x87
1070M	Algoland and Berland constructive algorithms, divide and conquer, geometry	3000	x67
1070L	Odd Federalization constructive algorithms	2600	x296
1068C	Colored Rooks constructive algorithms, graphs	1700	x3148
1067C	Knights constructive algorithms	2600	x639
1065B	Vasya and Isolated Vertices constructive algorithms, graphs	1300	x10892
1063E	Lasers and Mirrors constructive algorithms, math	3000	x347
1063C	Dwarves, Hats and Extrasensory Abilities binary search, constructive algorithms, geometry, interactive	1900	x3036
1063A	Oh Those Palindromes constructive algorithms, strings	1300	x10337
1060H	Sophisticated Device constructive algorithms	3300	x212
1059C	Sequence Transformation constructive algorithms, math	1600	x7101
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x5855
1054G	New Road Network constructive algorithms, greedy, math	3300	x290
1054E	Chips Puzzle constructive algorithms, implementation, math	2400	x483
1054C	Candies Distribution constructive algorithms, implementation	1500	x4274
1053E	Euler tour constructive algorithms, trees	3500	x202
1045E	Ancient civilizations constructive algorithms, geometry	3200	x233
1043E	Train Hard, Win Easy constructive algorithms, greedy, math, sortings	1900	x2722
1043C	Smallest Word constructive algorithms, greedy, implementation	1500	x6859
1042C	Array Product constructive algorithms, greedy, math	1700	x4695
1041E	Tree Reconstruction constructive algorithms, data structures, graphs, greedy	1900	x3578
1039A	Timetable constructive algorithms, data structures, greedy, math	2300	x778