Problemset - Codeforces

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Codeforces Round (Div. 2)
6 days

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Difficulty: —

constructive algorithms

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Problems

#	Name
1365D	Solve The Maze constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, shortest paths	1700	x16555
1364C	Ehab and Prefix MEXs brute force, constructive algorithms, greedy	1600	x12823
1361A	Johnny and Contribution constructive algorithms, graphs, greedy, sortings	1700	x8227
1360F	Spy-string bitmasks, brute force, constructive algorithms, dp, hashing, strings	1700	x12004
1353D	Constructing the Array constructive algorithms, data structures, sortings	1600	x17592
1352G	Special Permutation constructive algorithms	1600	x20349
1352F	Binary String Reconstruction constructive algorithms, dfs and similar, math	1500	x16573
1348C	Phoenix and Distribution constructive algorithms, greedy, sortings, strings	1600	x14442
1334C	Circle of Monsters brute force, constructive algorithms, greedy, math	1600	x16375
1332D	Walk on Matrix bitmasks, constructive algorithms, math	1700	x8035
1327C	Game with Chips constructive algorithms, implementation	1600	x13292
1325D	Ehab the Xorcist bitmasks, constructive algorithms, greedy, number theory	1700	x11839
1325C	Ehab and Path-etic MEXs constructive algorithms, dfs and similar, greedy, trees	1500	x13254
1321C	Remove Adjacent brute force, constructive algorithms, greedy, strings	1600	x9723
1313B	Different Rules constructive algorithms, greedy, implementation, math	1700	x6620
1292B	Aroma's Search brute force, constructive algorithms, geometry, greedy, implementation	1700	x6263
1283C	Friends and Gifts constructive algorithms, data structures, math	1500	x13023
1268A	Long Beautiful Integer constructive algorithms, greedy, implementation, strings	1700	x8481
1255C	League of Leesins constructive algorithms, implementation	1600	x6653
1254A	Feeding Chicken constructive algorithms, greedy, implementation	1700	x5138
1253D	Harmonious Graph constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings	1700	x9036
1242A	Tile Painting constructive algorithms, math, number theory	1500	x12479
1237C1	Balanced Removals (Easier) constructive algorithms, geometry, greedy	1700	x6037
1227C	Messy constructive algorithms	1700	x5473
1215C	Swap Letters constructive algorithms, greedy	1500	x10986
1209C	Paint the Digits constructive algorithms, greedy, implementation	1500	x7394
1186D	Vus the Cossack and Numbers constructive algorithms, greedy, math	1500	x8881
1178D	Prime Graph constructive algorithms, greedy, math, number theory	1500	x7303
1167D	Bicolored RBS constructive algorithms, greedy	1500	x6864
1158A	The Party and Sweets binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers	1500	x6943
1151B	Dima and a Bad XOR bitmasks, brute force, constructive algorithms, dp	1600	x10864
1148C	Crazy Diamond constructive algorithms, sortings	1700	x5241
1136C	Nastya Is Transposing Matrices constructive algorithms, sortings	1500	x7658
1131F	Asya And Kittens constructive algorithms, dsu	1700	x6454
1119C	Ramesses and Corner Inversion constructive algorithms, greedy, implementation, math	1500	x6782
1118E	Yet Another Ball Problem constructive algorithms, implementation	1700	x4073
1118C	Palindromic Matrix constructive algorithms, implementation	1700	x5687
1114B	Yet Another Array Partitioning Task constructive algorithms, greedy, sortings	1500	x8885
1110C	Meaningless Operations constructive algorithms, math, number theory	1500	x9037
1098A	Sum in the tree constructive algorithms, dfs and similar, greedy, trees	1600	x8481
1089E	Easy Chess constructive algorithms	1700	x1962
1085D	Minimum Diameter Tree constructive algorithms, implementation, trees	1700	x5373
1081B	Farewell Party constructive algorithms, implementation	1500	x4412
1068C	Colored Rooks constructive algorithms, graphs	1700	x3130
1059C	Sequence Transformation constructive algorithms, math	1600	x7008
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x5746
1054C	Candies Distribution constructive algorithms, implementation	1500	x4244
1043C	Smallest Word constructive algorithms, greedy, implementation	1500	x6814
1042C	Array Product constructive algorithms, greedy, math	1700	x4646
1032C	Playing Piano constructive algorithms, dp	1700	x3919
1025C	Plasticine zebra constructive algorithms, implementation	1600	x6010
1023D	Array Restoration constructive algorithms, data structures	1700	x3961
1017C	The Phone Number constructive algorithms, greedy	1600	x5950
1015D	Walking Between Houses constructive algorithms, greedy	1600	x8039
1009D	Relatively Prime Graph brute force, constructive algorithms, graphs, greedy, math	1700	x6180
990D	Graph And Its Complement constructive algorithms, graphs, implementation	1700	x3769
980B	Marlin constructive algorithms	1600	x4648
960C	Subsequence Counting bitmasks, constructive algorithms, greedy, implementation	1700	x3893
959C	Mahmoud and Ehab and the wrong algorithm constructive algorithms, trees	1500	x5717
949B	A Leapfrog in the Array constructive algorithms, math	1700	x3652
940C	Phone Numbers constructive algorithms, implementation, strings	1500	x5667
938C	Constructing Tests binary search, brute force, constructive algorithms	1700	x3288
932C	Permutation Cycle brute force, constructive algorithms	1600	x3985
916C	Jamie and Interesting Graph constructive algorithms, graphs, shortest paths	1600	x5030
910C	Minimum Sum constructive algorithms, greedy, math	1700	x1751
901A	Hashing Trees constructive algorithms, trees	1500	x5026
898E	Squares and not squares constructive algorithms, greedy	1600	x4518
878A	Short Program bitmasks, constructive algorithms	1600	x5337
877C	Slava and tanks constructive algorithms	1600	x5603
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4570
856A	Set Theory brute force, constructive algorithms	1600	x1382
848A	From Y to Y constructive algorithms	1600	x5049
831C	Jury Marks brute force, constructive algorithms	1700	x4433
774D	Lie or Truth *special problem, constructive algorithms, implementation, sortings	1500	x1932
771B	Bear and Different Names constructive algorithms, greedy	1500	x6654
768B	Code For 1 constructive algorithms, dfs and similar, divide and conquer	1600	x5862
765D	Artsem and Saunders constructive algorithms, dsu, math	1700	x2450
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x3950
758C	Unfair Poll binary search, constructive algorithms, implementation, math	1700	x3834
756A	Pavel and barbecue constructive algorithms, dfs and similar	1700	x2965
753B	Interactive Bulls and Cows (Easy) brute force, constructive algorithms, implementation	1600	x1179
746D	Green and Black Tea constructive algorithms, greedy, math	1500	x5009
746C	Tram constructive algorithms, implementation, math	1600	x3694
743C	Vladik and fractions brute force, constructive algorithms, math, number theory	1500	x12002
739A	Alyona and mex constructive algorithms, greedy	1700	x7660
735C	Tennis Championship combinatorics, constructive algorithms, greedy, math	1600	x7378
729D	Sea Battle constructive algorithms, greedy, math	1700	x3640
725C	Hidden Word brute force, constructive algorithms, implementation, strings	1600	x2610
715A	Plus and Square Root constructive algorithms, math	1600	x5559
710C	Magic Odd Square constructive algorithms, math	1500	x5021
698B	Fix a Tree constructive algorithms, dfs and similar, dsu, graphs, trees	1700	x5648
681C	Heap Operations constructive algorithms, data structures, greedy	1600	x7385
649D	Дефрагментация памяти constructive algorithms, greedy, implementation	1600	x345
649C	Печать условий constructive algorithms, greedy, sortings	1500	x441
644B	Processing Queries *special problem, constructive algorithms, data structures, two pointers	1700	x2618
643B	Bear and Two Paths constructive algorithms, graphs	1600	x3150
639B	Bear and Forgotten Tree 3 constructive algorithms, graphs, trees	1600	x6437
617D	Polyline constructive algorithms, implementation	1700	x4171
605B	Lazy Student constructive algorithms, data structures, graphs	1700	x3402
605A	Sorting Railway Cars constructive algorithms, greedy	1600	x7057