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Problemset

722 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
1571D	Sweepstake *special brute force constructive algorithms implementation math	1800	373
1567D	Expression Evaluation Error constructive algorithms greedy implementation math	2000	4.9k
1566H	Xor-quiz constructive algorithms dp interactive math number theory	3200	177
1562B	Scenes From a Memory brute force constructive algorithms implementation math number theory	1000	20.7k
1562C	Rings constructive algorithms math	1500	14.4k
1559A	Mocha and Math bitmasks constructive algorithms math	900	48.3k
1556D	Take a Guess bitmasks constructive algorithms interactive math	1800	9k
1553E	Permutation Shift brute force combinatorics constructive algorithms dfs and similar dsu graphs math	2100	3.8k
1553G	Common Divisor Graph brute force constructive algorithms dsu graphs hashing math number theory	2700	1.3k
1552D	Array Differentiation bitmasks brute force constructive algorithms dfs and similar dp graphs math	1800	8k
1551D1	Domino (easy version) constructive algorithms math	1700	7.6k
1551D2	Domino (hard version) constructive algorithms implementation math	2100	3k
1550D	Excellent Arrays binary search combinatorics constructive algorithms implementation math sortings two pointers	2300	2.1k
1545D	AquaMoon and Wrong Coordinate constructive algorithms interactive math	3000	779
1543D1	RPD and Rap Sheet (Easy Version) bitmasks constructive algorithms interactive math	1700	8.1k
1543D2	RPD and Rap Sheet (Hard Version) brute force constructive algorithms interactive math	2200	2.2k
1543E	The Final Pursuit bitmasks constructive algorithms divide and conquer graphs greedy math	2700	499
1542B	Plus and Multiply constructive algorithms math number theory	1500	26.9k
1538D	Another Problem About Dividing Numbers constructive algorithms math number theory	1700	15.5k
1537B	Bad Boy constructive algorithms greedy math	900	44.6k
1537C	Challenging Cliffs constructive algorithms greedy implementation math	1200	30.7k
1537F	Figure Fixing constructive algorithms dfs and similar dsu graphs greedy math	2200	2.9k
1536F	Omkar and Akmar chinese remainder theorem combinatorics constructive algorithms fft games geometry math meet-in-the-middle string suffix structures	2600	1.2k
1530D	Secret Santa constructive algorithms flows graphs greedy math	1600	10.2k
1529A	Eshag Loves Big Arrays constructive algorithms greedy math	800	31.1k
1526D	Kill Anton brute force constructive algorithms data structures math strings	2200	2.8k
1526E	Oolimry and Suffix Array combinatorics constructive algorithms math	2400	1.6k
1521A	Nastia and Nearly Good Numbers constructive algorithms math number theory	1000	42.6k
1521B	Nastia and a Good Array constructive algorithms math number theory	1300	23.1k
1516C	Baby Ehab Partitions Again bitmasks constructive algorithms dp math	1700	14.5k
1515A	Phoenix and Gold constructive algorithms greedy math	800	21.4k
1513B	AND Sequences bitmasks combinatorics constructive algorithms math	1400	21k
1513E	Cost Equilibrium combinatorics constructive algorithms math sortings	2300	1.8k
1511B	GCD Length constructive algorithms math number theory	1100	24.9k
1510J	Japanese Game constructive algorithms math	2700	565
1506F	Triangular Paths constructive algorithms graphs math shortest paths sortings	2000	3.8k
1504B	Flip the Bits constructive algorithms greedy implementation math	1200	27.1k
1499A	Domino on Windowsill combinatorics constructive algorithms math	800	22k
1497B	M-arrays constructive algorithms greedy math	1200	28.8k
1497C1	k-LCM (easy version) constructive algorithms math	1200	29.6k
1497C2	k-LCM (hard version) constructive algorithms math	1600	19.7k
1493E	Enormous XOR bitmasks constructive algorithms greedy math strings two pointers	2600	1.1k
1492D	Genius's Gambit bitmasks constructive algorithms greedy math	1900	6.5k
1491D	Zookeeper and The Infinite Zoo bitmasks constructive algorithms dp greedy math	1800	8.5k
1491G	Switch and Flip constructive algorithms graphs math	2800	1k
1490B	Balanced Remainders brute force constructive algorithms math	1000	28.1k
1487C	Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math	1500	15.6k
1485D	Multiples and Power Differences constructive algorithms graphs math number theory	2200	5.7k
1477A	Nezzar and Board constructive algorithms math number theory	1800	6.6k
1477C	Nezzar and Nice Beatmap constructive algorithms geometry greedy math sortings	2200	2.6k
1476A	K-divisible Sum binary search constructive algorithms greedy math	1000	45.7k
1474B	Different Divisors binary search constructive algorithms greedy math number theory	1000	42.4k
1473C	No More Inversions constructive algorithms math	1500	13.5k
1469D	Ceil Divisions brute force constructive algorithms math number theory	1700	10.3k
1468H	K and Medians constructive algorithms greedy math	2200	2k
1467A	Wizard of Orz constructive algorithms greedy math	900	25.4k
1455B	Jumps constructive algorithms math	1200	23.4k
1455C	Ping-pong constructive algorithms games math	1100	20.6k
1455E	Four Points brute force constructive algorithms flows geometry greedy implementation math ternary search	2400	1.7k
1454D	Number into Sequence constructive algorithms math number theory	1300	22.5k
1453D	Checkpoints brute force constructive algorithms greedy math probabilities	1900	4.5k
1451E1	Bitwise Queries (Easy Version) bitmasks constructive algorithms interactive math	2000	5.6k
1451E2	Bitwise Queries (Hard Version) bitmasks constructive algorithms interactive math	2300	4k
1450C1	Errich-Tac-Toe (Easy Version) constructive algorithms math	2100	6k
1450C2	Errich-Tac-Toe (Hard Version) constructive algorithms math	2300	4.3k
1447A	Add Candies constructive algorithms math	800	14.5k
1443A	Kids Seating constructive algorithms math	800	16.7k
1438D	Powerful Ksenia bitmasks constructive algorithms math	2200	4.6k
1437A	Marketing Scheme brute force constructive algorithms greedy math	800	18.5k
1436B	Prime Square constructive algorithms math	900	21.8k
1430A	Number of Apartments brute force constructive algorithms math	900	21.9k
1430C	Numbers on Whiteboard constructive algorithms data structures greedy implementation math	1000	28.7k
1427E	Xum bitmasks constructive algorithms math matrices number theory	2500	1.7k
1426C	Increase and Copy binary search constructive algorithms math	1100	20.8k
1426E	Rock, Paper, Scissors brute force constructive algorithms flows greedy math	1800	8.2k
1423J	Bubble Cup hypothesis bitmasks constructive algorithms dp math	2400	915
1421D	Hexagons brute force constructive algorithms greedy implementation math shortest paths	1900	4.4k
1419B	Stairs brute force constructive algorithms greedy implementation math	1200	17.1k
1419E	Decryption constructive algorithms implementation math number theory	2100	3.5k
1416B	Make Them Equal constructive algorithms greedy math	2000	6.8k
1415E	New Game Plus! constructive algorithms greedy math	2200	3k
1413A	Finding Sasuke constructive algorithms math	800	15.3k
1408B	Arrays Sum constructive algorithms greedy math	1400	10.5k
1407A	Ahahahahahahahaha constructive algorithms math	1100	21.5k
1407C	Chocolate Bunny constructive algorithms interactive math two pointers	1600	15.3k
1406D	Three Sequences constructive algorithms data structures greedy math	2200	3.9k
1404D	Game of Pairs constructive algorithms dfs and similar interactive math number theory	2800	1.3k
1401A	Distance and Axis constructive algorithms math	900	28.8k
1401B	Ternary Sequence constructive algorithms greedy math	1100	21.9k
1401C	Mere Array constructive algorithms math number theory sortings	1300	27.3k
1393C	Pinkie Pie Eats Patty-cakes constructive algorithms greedy math sortings	1700	11.1k
1392E	Omkar and Duck bitmasks constructive algorithms interactive math	2100	3.8k
1392F	Omkar and Landslide binary search constructive algorithms data structures greedy math	2400	2.6k
1391A	Suborrays constructive algorithms math	800	25.1k
1389A	LCM Problem constructive algorithms greedy math number theory	800	51.4k
1383B	GameGame bitmasks constructive algorithms dp games greedy math	1900	5.6k
1380D	Berserk And Fireball constructive algorithms greedy implementation math two pointers	2000	5.1k
1379E	Inverse Genealogy constructive algorithms divide and conquer dp math trees	2800	538
1375A	Sign Flipping constructive algorithms math	1100	18.9k
1375F	Integer Game constructive algorithms games interactive math	2600	2.6k

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