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Problemset

2,107 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
1270B	Interesting Subarray constructive algorithms greedy math	1200	17.5k
1270C	Make Good bitmasks constructive algorithms math	1400	15.2k
1270D	Strange Device constructive algorithms interactive math sortings	1900	5k
1270E	Divide Points constructive algorithms geometry math	2300	2.8k
1270G	Subset with Zero Sum constructive algorithms dfs and similar graphs math	2700	3.1k
1270I	Xor on Figures constructive algorithms fft math	3500	391
1268A	Long Beautiful Integer constructive algorithms greedy implementation strings	1700	9.2k
1267C	Cactus Revenge constructive algorithms	3500	393
1267D	DevOps Best Practices constructive algorithms	2800	286
1267H	Help BerLine constructive algorithms	3200	237
1267I	Intriguing Selection brute force constructive algorithms implementation interactive sortings	2600	1.1k
1267L	Lexicography constructive algorithms strings	1800	3.4k
1266B	Dice Tower constructive algorithms math	1000	16.7k
1266C	Diverse Matrix constructive algorithms greedy math number theory	1400	10.1k
1266D	Decreasing Debts constructive algorithms data structures graphs greedy implementation math two pointers	2000	3.9k
1265A	Beautiful String constructive algorithms greedy	1000	16k
1264B	Beautiful Sequence brute force constructive algorithms greedy	1900	6.1k
1264E	Beautiful League constructive algorithms flows graph matchings	2700	963
1264F	Beautiful Fibonacci Problem constructive algorithms number theory	3500	1.1k
1256F	Equalizing Two Strings constructive algorithms sortings strings	2000	3.7k
1255C	League of Leesins constructive algorithms implementation	1600	7.3k
1254A	Feeding Chicken constructive algorithms greedy implementation	1700	5.8k
1254B1	Send Boxes to Alice (Easy Version) constructive algorithms greedy math number theory ternary search two pointers	1800	5.1k
1254B2	Send Boxes to Alice (Hard Version) constructive algorithms greedy math number theory ternary search two pointers	2100	3.5k
1254C	Point Ordering constructive algorithms geometry interactive math	2300	1.8k
1253D	Harmonious Graph constructive algorithms dfs and similar dsu graphs greedy sortings	1700	10.5k
1250B	The Feast and the Bus brute force constructive algorithms greedy math	1800	2.8k
1250M	SmartGarden constructive algorithms divide and conquer	2500	399
1245B	Restricted RPS constructive algorithms dp greedy	1200	14.6k
1244D	Paint the Tree brute force constructive algorithms dp graphs implementation trees	1800	8.4k
1244E	Minimizing Difference binary search constructive algorithms greedy sortings ternary search two pointers	2000	6.8k
1244F	Chips constructive algorithms implementation	2300	1.7k
1244G	Running in Pairs constructive algorithms greedy math	2400	1.6k
1242A	Tile Painting constructive algorithms math number theory	1500	13.3k
1242E	Planar Perimeter constructive algorithms graphs	3200	170
1237C1	Balanced Removals (Easier) constructive algorithms geometry greedy	1700	6.3k
1237C2	Balanced Removals (Harder) binary search constructive algorithms divide and conquer greedy implementation sortings	1900	4.6k
1237H	Balanced Reversals constructive algorithms	3300	652
1236C	Labs constructive algorithms greedy implementation	1300	10.6k
1231E	Middle-Out constructive algorithms greedy strings	2200	951
1228D	Complete Tripartite brute force constructive algorithms graphs hashing implementation	1900	5.5k
1228F	One Node is Gone constructive algorithms implementation trees	2500	620
1227B	Box constructive algorithms	1200	10.5k
1227C	Messy constructive algorithms	1700	5.8k
1227G	Not Same constructive algorithms	2600	1.3k
1225F	Tree Factory constructive algorithms greedy trees	2500	1k
1225G	To Make 1 bitmasks constructive algorithms dp greedy number theory	3100	665
1221B	Knights constructive algorithms greedy	1100	12.6k
1218G	Alpha planetary system constructive algorithms graphs shortest paths	3000	262
1217D	Coloring Edges constructive algorithms dfs and similar graphs	2100	6k
1215C	Swap Letters constructive algorithms greedy	1500	12k
1214E	Petya and Construction Set constructive algorithms graphs math sortings trees	2000	2.9k
1214H	Tiles Placement constructive algorithms dfs and similar trees	2800	493
1213E	Two Small Strings brute force constructive algorithms	1900	5.5k
1209C	Paint the Digits constructive algorithms greedy implementation	1500	7.9k
1208C	Magic Grid constructive algorithms	1800	6.4k
1207B	Square Filling constructive algorithms greedy implementation	1200	13.8k
1205A	Almost Equal constructive algorithms greedy math	1200	14.8k
1205D	Almost All constructive algorithms trees	2700	795
1205F	Beauty of a Permutation constructive algorithms math	3400	183
1202D	Print a 1337-string... combinatorics constructive algorithms math strings	1900	5.5k
1198C	Matching vs Independent Set constructive algorithms graphs greedy sortings	2000	4.1k
1196A	Three Piles of Candies brute force constructive algorithms math	800	29.3k
1196B	Odd Sum Segments constructive algorithms math	1200	17.6k
1196E	Connected Component on a Chessboard constructive algorithms implementation	1800	3.9k
1196F	K-th Path brute force constructive algorithms shortest paths sortings	2200	3.3k
1193C	Scissors and Tape *special constructive algorithms geometry	unrated	48
1188A2	Add on a Tree: Revolution constructive algorithms dfs and similar implementation trees	2500	1.3k
1187C	Vasya And Array constructive algorithms greedy implementation	1800	6.8k
1186D	Vus the Cossack and Numbers constructive algorithms greedy math	1500	9.4k
1182D	Complete Mirror constructive algorithms dfs and similar dp hashing implementation trees	2400	1k
1179B	Tolik and His Uncle constructive algorithms	1800	4.6k
1178D	Prime Graph constructive algorithms greedy math number theory	1500	8k
1178E	Archaeology brute force constructive algorithms greedy strings	1900	4.5k
1174A	Ehab Fails to Be Thanos constructive algorithms greedy sortings	1000	19.4k
1174C	Ehab and a Special Coloring Problem constructive algorithms number theory	1300	12.9k
1174D	Ehab and the Expected XOR Problem bitmasks constructive algorithms	1900	5.1k
1174F	Ehab and the Big Finale constructive algorithms divide and conquer graphs implementation interactive trees	2400	2.1k
1173B	Nauuo and Chess constructive algorithms greedy	1100	9.5k
1172D	Nauuo and Portals constructive algorithms	2900	733
1170H	Longest Saw *special constructive algorithms	unrated	57
1168E	Xor Permutations constructive algorithms math	3100	444
1167D	Bicolored RBS constructive algorithms greedy	1500	7.4k
1166B	All the Vowels Please constructive algorithms math number theory	1100	12k
1166E	The LCMs Must be Large bitmasks brute force constructive algorithms math number theory	2100	3k
1163E	Magical Permutation bitmasks brute force constructive algorithms data structures graphs math	2400	1.1k
1158A	The Party and Sweets binary search constructive algorithms greedy implementation math sortings two pointers	1500	8.5k
1158B	The minimal unique substring constructive algorithms math strings	2200	2.4k
1158C	Permutation recovery constructive algorithms data structures dfs and similar graphs greedy math sortings	2100	2.3k
1158D	Winding polygonal line constructive algorithms geometry greedy math	2600	1k
1157D	N Problems During K Days constructive algorithms greedy math	1900	4k
1157F	Maximum Balanced Circle constructive algorithms dp greedy two pointers	2000	2.9k
1157G	Inverse of Rows and Columns brute force constructive algorithms	2200	1.1k
1153B	Serval and Toy Bricks constructive algorithms greedy	1200	9.4k
1152B	Neko Performs Cat Furrier Transform bitmasks constructive algorithms dfs and similar math	1300	9.4k
1152E	Neko and Flashback constructive algorithms dfs and similar graphs	2400	1.2k
1151B	Dima and a Bad XOR bitmasks brute force constructive algorithms dp	1600	13.1k
1151C	Problem for Nazar constructive algorithms math	1800	5.6k
1149A	Prefix Sum Primes constructive algorithms greedy math number theory	1200	18.2k
1148C	Crazy Diamond constructive algorithms sortings	1700	5.7k

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