Problemset - Codeforces

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Codeforces Round 968 (Div. 2)
06:58:22
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constructive algorithms

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Problems

#	Name
1292B	Aroma's Search brute force, constructive algorithms, geometry, greedy, implementation	1700	x6309
1290D	Coffee Varieties (hard version) constructive algorithms, graphs, interactive	3000	x820
1290B	Irreducible Anagrams binary search, constructive algorithms, data structures, strings, two pointers	1800	x5316
1288F	Red-Blue Graph constructive algorithms, flows	2900	x507
1286F	Harry The Potter brute force, constructive algorithms, dp, fft, implementation, math	3100	x243
1286C2	Madhouse (Hard version) brute force, constructive algorithms, hashing, interactive, math	2800	x632
1286C1	Madhouse (Easy version) brute force, constructive algorithms, interactive, math	2400	x1420
1286B	Numbers on Tree constructive algorithms, data structures, dfs and similar, graphs, greedy, trees	1800	x4664
1285E	Delete a Segment brute force, constructive algorithms, data structures, dp, graphs, sortings, trees, two pointers	2300	x1822
1283F	DIY Garland constructive algorithms, greedy, trees	2200	x1837
1283C	Friends and Gifts constructive algorithms, data structures, math	1500	x13084
1282E	The Cake Is a Lie constructive algorithms, data structures, dfs and similar, graphs	2400	x1139
1282D	Enchanted Artifact constructive algorithms, interactive, strings	2300	x2225
1280F	Intergalactic Sliding Puzzle combinatorics, constructive algorithms, math	3400	x60
1278E	Tests for problem D constructive algorithms, dfs and similar, divide and conquer, trees	2200	x1911
1276E	Four Stones constructive algorithms	3500	x86
1276C	Beautiful Rectangle brute force, combinatorics, constructive algorithms, data structures, greedy, math	2300	x1652
1272B	Snow Walking Robot constructive algorithms, greedy, implementation	1200	x13851
1270I	Xor on Figures constructive algorithms, fft, math	3500	x236
1270G	Subset with Zero Sum constructive algorithms, dfs and similar, graphs, math	2700	x2208
1270E	Divide Points constructive algorithms, geometry, math	2300	x2368
1270D	Strange Device constructive algorithms, interactive, math, sortings	1900	x4665
1270C	Make Good bitmasks, constructive algorithms, math	1400	x14007
1270B	Interesting Subarray constructive algorithms, greedy, math	1200	x16304
1268A	Long Beautiful Integer constructive algorithms, greedy, implementation, strings	1700	x8534
1267L	Lexicography constructive algorithms, strings	1800	x3018
1267I	Intriguing Selection brute force, constructive algorithms, implementation, interactive, sortings	2600	x875
1267H	Help BerLine constructive algorithms	3200	x146
1267D	DevOps Best Practices constructive algorithms	2800	x209
1267C	Cactus Revenge constructive algorithms	3500	x380
1266D	Decreasing Debts constructive algorithms, data structures, graphs, greedy, implementation, math, two pointers	2000	x3608
1266C	Diverse Matrix constructive algorithms, greedy, math, number theory	1400	x9669
1266B	Dice Tower constructive algorithms, math	1000	x14896
1265A	Beautiful String constructive algorithms, greedy	1000	x15044
1264F	Beautiful Fibonacci Problem constructive algorithms, number theory	3500	x921
1264E	Beautiful League constructive algorithms, flows, graph matchings	2700	x796
1264B	Beautiful Sequence brute force, constructive algorithms, greedy	1900	x5780
1256F	Equalizing Two Strings constructive algorithms, sortings, strings	2000	x3283
1255C	League of Leesins constructive algorithms, implementation	1600	x6688
1254C	Point Ordering constructive algorithms, geometry, interactive, math	2300	x1412
1254B2	Send Boxes to Alice (Hard Version) constructive algorithms, greedy, math, number theory, ternary search, two pointers	2100	x3139
1254B1	Send Boxes to Alice (Easy Version) constructive algorithms, greedy, math, number theory, ternary search, two pointers	1800	x4618
1254A	Feeding Chicken constructive algorithms, greedy, implementation	1700	x5166
1253D	Harmonious Graph constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings	1700	x9161
1250M	SmartGarden constructive algorithms, divide and conquer	2500	x358
1250B	The Feast and the Bus brute force, constructive algorithms, greedy, math	1800	x2598
1245B	Restricted RPS constructive algorithms, dp, greedy	1200	x13737
1244G	Running in Pairs constructive algorithms, greedy, math	2400	x1340
1244F	Chips constructive algorithms, implementation	2300	x1522
1244E	Minimizing Difference binary search, constructive algorithms, greedy, sortings, ternary search, two pointers	2000	x5037
1244D	Paint the Tree brute force, constructive algorithms, dp, graphs, implementation, trees	1800	x7507
1242E	Planar Perimeter constructive algorithms, graphs	3200	x130
1242A	Tile Painting constructive algorithms, math, number theory	1500	x12544
1237H	Balanced Reversals constructive algorithms	3300	x370
1237C2	Balanced Removals (Harder) binary search, constructive algorithms, divide and conquer, greedy, implementation, sortings	1900	x4296
1237C1	Balanced Removals (Easier) constructive algorithms, geometry, greedy	1700	x6057
1236C	Labs constructive algorithms, greedy, implementation	1300	x10097
1231E	Middle-Out constructive algorithms, greedy, strings	2200	x831
1228F	One Node is Gone constructive algorithms, implementation, trees	2500	x435
1228D	Complete Tripartite brute force, constructive algorithms, graphs, hashing, implementation	1900	x5184
1227G	Not Same constructive algorithms	2600	x1014
1227C	Messy constructive algorithms	1700	x5506
1227B	Box constructive algorithms	1200	x9593
1225G	To Make 1 bitmasks, constructive algorithms, dp, greedy, number theory	3100	x537
1225F	Tree Factory constructive algorithms, greedy, trees	2500	x881
1221B	Knights constructive algorithms, greedy	1100	x11852
1218G	Alpha planetary system constructive algorithms, graphs, shortest paths	3000	x96
1217D	Coloring Edges constructive algorithms, dfs and similar, graphs	2100	x5219
1215C	Swap Letters constructive algorithms, greedy	1500	x11061
1214H	Tiles Placement constructive algorithms, dfs and similar, trees	2800	x381
1214E	Petya and Construction Set constructive algorithms, graphs, math, sortings, trees	2000	x2680
1213E	Two Small Strings brute force, constructive algorithms	1900	x5135
1209C	Paint the Digits constructive algorithms, greedy, implementation	1500	x7470
1208C	Magic Grid constructive algorithms	1800	x5987
1207B	Square Filling constructive algorithms, greedy, implementation	1200	x13213
1205F	Beauty of a Permutation constructive algorithms, math	3400	x122
1205D	Almost All constructive algorithms, trees	2700	x639
1205A	Almost Equal constructive algorithms, greedy, math	1200	x14070
1202D	Print a 1337-string... combinatorics, constructive algorithms, math, strings	1900	x5073
1198C	Matching vs Independent Set constructive algorithms, graphs, greedy, sortings	2000	x3528
1196F	K-th Path brute force, constructive algorithms, shortest paths, sortings	2200	x2608
1196E	Connected Component on a Chessboard constructive algorithms, implementation	1800	x3716
1196B	Odd Sum Segments constructive algorithms, math	1200	x16501
1196A	Three Piles of Candies brute force, constructive algorithms, math	800	x27575
1193C	Scissors and Tape *special problem, constructive algorithms, geometry		x38
1188A2	Add on a Tree: Revolution constructive algorithms, dfs and similar, implementation, trees	2500	x1224
1187C	Vasya And Array constructive algorithms, greedy, implementation	1800	x6320
1186D	Vus the Cossack and Numbers constructive algorithms, greedy, math	1500	x8908
1182D	Complete Mirror constructive algorithms, dfs and similar, dp, hashing, implementation, trees	2400	x822
1179B	Tolik and His Uncle constructive algorithms	1800	x4345
1178E	Archaeology brute force, constructive algorithms, greedy, strings	1900	x4295
1178D	Prime Graph constructive algorithms, greedy, math, number theory	1500	x7364
1174F	Ehab and the Big Finale constructive algorithms, divide and conquer, graphs, implementation, interactive, trees	2400	x1694
1174D	Ehab and the Expected XOR Problem bitmasks, constructive algorithms	1900	x4672
1174C	Ehab and a Special Coloring Problem constructive algorithms, number theory	1300	x11940
1174A	Ehab Fails to Be Thanos constructive algorithms, greedy, sortings	1000	x17518
1173B	Nauuo and Chess constructive algorithms, greedy	1100	x9052
1172D	Nauuo and Portals constructive algorithms	2900	x492
1170H	Longest Saw *special problem, constructive algorithms		x47
1168E	Xor Permutations constructive algorithms, math	3100	x372