constructive algorithms - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	4574	P1151C Problem for Nazar constructive algorithms math *1800	0 / 0	6
	4569	P1152B Neko Performs Cat Furrier Transform bitmasks constructive algorithms dfs and similar math *1300	0 / 0	4
	4566	P1152E Neko and Flashback constructive algorithms dfs and similar graphs *2400	0 / 0	9
	4562	P1153B Serval and Toy Bricks constructive algorithms greedy *1200	0 / 0	4
	4533	P1157D N Problems During K Days constructive algorithms greedy math *1900	0 / 0	6
	4531	P1157F Maximum Balanced Circle constructive algorithms dp greedy two pointers *2000	0 / 0	7
	4530	P1157G Inverse of Rows and Columns brute force constructive algorithms *2200	0 / 0	8
	4529	P1158A The Party and Sweets binary search constructive algorithms greedy implementation math sortings two pointers *1500	0 / 0	5
	4528	P1158B The minimal unique substring constructive algorithms math strings *2200	0 / 0	8
	4527	P1158C Permutation recovery constructive algorithms data structures dfs and similar graphs greedy math sortings *2100	0 / 0	7
	4526	P1158D Winding polygonal line constructive algorithms geometry greedy math *2600	0 / 0	10
	4512	P1163E Magical Permutation bitmasks brute force constructive algorithms data structures graphs math *2400	0 / 0	9
	4502	P1166B All the Vowels Please constructive algorithms math number theory *1100	0 / 0	3
	4499	P1166E The LCMs Must be Large bitmasks brute force constructive algorithms math number theory *2100	0 / 0	7
	4494	P1167D Bicolored RBS constructive algorithms greedy *1500	0 / 0	5
	4486	P1168E Xor Permutations constructive algorithms math *3100	0 / 0	10
	4476	P1170H Longest Saw *special problem constructive algorithms	0 / 0	(None)
	4470	P1172D Nauuo and Portals constructive algorithms *2900	0 / 0	10
	4466	P1173B Nauuo and Chess constructive algorithms greedy *1100	0 / 0	3
	4465	P1174A Ehab Fails to Be Thanos constructive algorithms greedy sortings *1000	0 / 0	3
	4463	P1174C Ehab and a Special Coloring Problem constructive algorithms number theory *1300	0 / 0	4
	4462	P1174D Ehab and the Expected XOR Problem bitmasks constructive algorithms *1900	0 / 0	6
	4460	P1174F Ehab and the Big Finale constructive algorithms divide and conquer graphs implementation interactive trees *2400	0 / 0	9
	4441	P1178D Prime Graph constructive algorithms greedy math number theory *1500	0 / 0	5
	4440	P1178E Archaeology brute force constructive algorithms greedy strings *1900	0 / 0	6
	4434	P1179B Tolik and His Uncle constructive algorithms *1800	0 / 0	6
	4419	P1182D Complete Mirror constructive algorithms dfs and similar dp hashing implementation trees *2400	0 / 0	9
	4383	P1186D Vus the Cossack and Numbers constructive algorithms greedy math *1500	0 / 0	5
	4378	P1187C Vasya And Array constructive algorithms greedy implementation *1800	0 / 0	6
	4372	P1188A2 Add on a Tree: Revolution constructive algorithms dfs and similar implementation trees *2500	0 / 0	9
	4351	P1193C Scissors and Tape *special problem constructive algorithms geometry	0 / 0	(None)
	4336	P1196A Three Piles of Candies brute force constructive algorithms math *800	0 / 0	3
	4335	P1196B Odd Sum Segments constructive algorithms math *1200	0 / 0	4
	4331	P1196E Connected Component on a Chessboard constructive algorithms implementation *1800	0 / 0	6
	4330	P1196F K-th Path brute force constructive algorithms shortest paths sortings *2200	0 / 0	8
	4321	P1198C Matching vs Independent Set constructive algorithms graphs greedy sortings *2000	0 / 0	7
	4300	P1202D Print a 1337-string... combinatorics constructive algorithms math strings *1900	0 / 0	6
	4283	P1205A Almost Equal constructive algorithms greedy math *1200	0 / 0	4
	4280	P1205D Almost All constructive algorithms trees *2700	0 / 0	10
	4278	P1205F Beauty of a Permutation constructive algorithms math *3400	0 / 0	10
	4274	P1207B Square Filling constructive algorithms greedy implementation *1200	8 / 18	4
	4266	P1208C Magic Grid constructive algorithms *1800	0 / 0	6
	4258	P1209C Paint the Digits constructive algorithms greedy implementation *1500	0 / 0	5
	4228	P1213E Two Small Strings brute force constructive algorithms *1900	0 / 0	6
	4221	P1214E Petya and Construction Set constructive algorithms graphs math sortings trees *2000	0 / 0	7
	4218	P1214H Tiles Placement constructive algorithms dfs and similar trees *2800	0 / 0	10
	4215	P1215C Swap Letters constructive algorithms greedy *1500	0 / 0	5
	4201	P1217D Coloring Edges constructive algorithms dfs and similar graphs *2100	0 / 0	7
	4192	P1218G Alpha planetary system constructive algorithms graphs shortest paths *3000	0 / 0	10
	4179	P1221B Knights constructive algorithms greedy *1100	0 / 0	3
	4160	P1225F Tree Factory constructive algorithms greedy trees *2500	0 / 0	9
	4159	P1225G To Make 1 bitmasks constructive algorithms dp greedy number theory *3100	0 / 0	10
	4157	P1227B Box constructive algorithms *1200	0 / 0	4
	4156	P1227C Messy constructive algorithms *1700	0 / 0	5
	4150	P1227G Not Same constructive algorithms *2600	0 / 0	10
	4146	P1228D Complete Tripartite brute force constructive algorithms graphs hashing implementation *1900	0 / 0	6
	4144	P1228F One Node is Gone constructive algorithms implementation trees *2500	0 / 0	9
	4140	P1231E Middle-Out constructive algorithms greedy strings *2200	0 / 0	8
	4130	P1236C Labs constructive algorithms greedy implementation *1300	0 / 0	4
	4124	P1237C1 Balanced Removals (Easier) constructive algorithms geometry greedy *1700	0 / 0	5
	4123	P1237C2 Balanced Removals (Harder) binary search constructive algorithms divide and conquer greedy implementation sortings *1900	0 / 0	6
	4118	P1237H Balanced Reversals constructive algorithms *3300	0 / 0	10
	4103	P1242A Tile Painting constructive algorithms math number theory *1500	0 / 0	5
	4099	P1242E Planar Perimeter constructive algorithms graphs *3200	0 / 0	10
	4092	P1244D Paint the Tree brute force constructive algorithms dp graphs implementation trees *1800	0 / 0	6
	4091	P1244E Minimizing Difference binary search constructive algorithms greedy sortings ternary search two pointers *2000	0 / 0	7
	4090	P1244F Chips constructive algorithms implementation *2300	0 / 0	8
	4089	P1244G Running in Pairs constructive algorithms greedy math *2400	0 / 0	9
	4087	P1245B Restricted RPS constructive algorithms dp greedy *1200	0 / 0	4
	4068	P1250B The Feast and the Bus brute force constructive algorithms greedy math *1800	0 / 0	6
	4057	P1250M SmartGarden constructive algorithms divide and conquer *2500	0 / 0	9
	4013	P1253D Harmonious Graph constructive algorithms dfs and similar dsu graphs greedy sortings *1700	0 / 0	5
	4007	P1254A Feeding Chicken constructive algorithms greedy implementation *1700	0 / 0	5
	4005	P1254B1 Send Boxes to Alice (Easy Version) constructive algorithms greedy math number theory ternary search two pointers *1800	0 / 0	6
	4003	P1254B2 Send Boxes to Alice (Hard Version) constructive algorithms greedy math number theory ternary search two pointers *2100	0 / 0	7
	4002	P1254C Point Ordering constructive algorithms geometry interactive math *2300	0 / 0	8
	3992	P1255C League of Leesins constructive algorithms implementation *1600	0 / 0	5
	3980	P1256F Equalizing Two Strings constructive algorithms sortings strings *2000	0 / 0	7
	3936	P1264B Beautiful Sequence brute force constructive algorithms greedy *1900	0 / 0	6
	3928	P1264E Beautiful League constructive algorithms flows graph matchings *2700	0 / 0	10
	3925	P1264F Beautiful Fibonacci Problem constructive algorithms number theory *3500	1 / 2	10
	3924	P1265A Beautiful String constructive algorithms greedy *1000	0 / 0	3
	3915	P1266B Dice Tower constructive algorithms math *1000	0 / 0	3
	3914	P1266C Diverse Matrix constructive algorithms greedy math number theory *1400	0 / 0	4
	3911	P1266D Decreasing Debts constructive algorithms data structures graphs greedy implementation math two pointers *2000	0 / 0	7
	3896	P1267D DevOps Best Practices constructive algorithms *2800	0 / 0	10
	3888	P1267H Help BerLine constructive algorithms *3200	0 / 0	10
	3886	P1267I Intriguing Selection brute force constructive algorithms implementation interactive sortings *2600	0 / 0	10
	3879	P1267L Lexicography constructive algorithms strings *1800	0 / 0	6
	3877	P1268A Long Beautiful Integer constructive algorithms greedy implementation strings *1700	0 / 0	5
	3861	P1270B Interesting Subarray constructive algorithms greedy math *1200	0 / 0	4
	3859	P1270C Make Good bitmasks constructive algorithms math *1400	0 / 0	4
	3857	P1270D Strange Device constructive algorithms interactive math sortings *1900	0 / 0	6
	3856	P1270E Divide Points constructive algorithms geometry math *2300	0 / 0	8
	3854	P1270G Subset with Zero Sum constructive algorithms dfs and similar graphs math *2700	0 / 0	10
	3850	P1270I Xor on Figures constructive algorithms fft math *3500	0 / 0	10
	3834	P1272B Snow Walking Robot constructive algorithms greedy implementation *1200	0 / 0	4
	3819	P1276C Beautiful Rectangle brute force combinatorics constructive algorithms data structures greedy math *2300	0 / 0	8
	3815	P1276E Four Stones constructive algorithms *3500	0 / 0	10
	3798	P1278E Tests for problem D constructive algorithms dfs and similar divide and conquer trees *2200	0 / 0	8

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