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Problemset

2,107 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
1516C	Baby Ehab Partitions Again bitmasks constructive algorithms dp math	1700	14.5k
1515A	Phoenix and Gold constructive algorithms greedy math	800	21.4k
1515C	Phoenix and Towers constructive algorithms data structures greedy	1400	19k
1515F	Phoenix and Earthquake constructive algorithms dfs and similar dsu graphs greedy trees	2600	2.2k
1513A	Array and Peaks constructive algorithms implementation	800	20.1k
1513B	AND Sequences bitmasks combinatorics constructive algorithms math	1400	21k
1513D	GCD and MST constructive algorithms dsu graphs greedy number theory sortings	2000	6.7k
1513E	Cost Equilibrium combinatorics constructive algorithms math sortings	2300	1.8k
1513F	Swapping Problem brute force constructive algorithms data structures sortings	2500	1.5k
1512C	A-B Palindrome constructive algorithms implementation strings	1200	22k
1512D	Corrupted Array constructive algorithms data structures greedy	1200	24.9k
1511B	GCD Length constructive algorithms math number theory	1100	24.9k
1511D	Min Cost String brute force constructive algorithms graphs greedy strings	1600	12.6k
1510J	Japanese Game constructive algorithms math	2700	565
1509A	Average Height constructive algorithms	800	27.4k
1508A	Binary Literature constructive algorithms greedy implementation strings two pointers	1900	6.7k
1508B	Almost Sorted binary search combinatorics constructive algorithms implementation	1800	4.5k
1508D	Swap Pass constructive algorithms geometry sortings	3000	746
1508E	Tree Calendar brute force constructive algorithms data structures dfs and similar sortings trees	3100	454
1506D	Epic Transformation constructive algorithms data structures greedy	1400	25.9k
1506E	Restoring the Permutation constructive algorithms implementation	1500	14.3k
1506F	Triangular Paths constructive algorithms graphs math shortest paths sortings	2000	3.8k
1504A	Déjà Vu constructive algorithms strings	800	22.9k
1504B	Flip the Bits constructive algorithms greedy implementation math	1200	27.1k
1503A	Balance the Bits constructive algorithms greedy	1600	14.9k
1503B	3-Coloring constructive algorithms games interactive	1700	7.7k
1503D	Flip the Cards 2-sat constructive algorithms data structures greedy sortings two pointers	2600	1.3k
1503F	Balance the Cards constructive algorithms data structures divide and conquer geometry graphs implementation	3500	239
1500C	Matrix Sorting bitmasks brute force constructive algorithms greedy two pointers	2600	983
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
1496A	Split it! brute force constructive algorithms greedy strings	900	22.4k
1495C	Garden of the Sun constructive algorithms graphs	2300	2.9k
1495F	Squares constructive algorithms data structures dp graphs trees	3300	533
1494D	Dogeforces constructive algorithms data structures dfs and similar divide and conquer dsu greedy sortings trees	2300	2.9k
1494E	A-Z Graph constructive algorithms data structures graphs hashing	2400	2.1k
1494F	Delete The Edges brute force constructive algorithms dfs and similar graphs implementation	2900	531
1493A	Anti-knapsack constructive algorithms greedy	800	19.8k
1493C	K-beautiful Strings binary search brute force constructive algorithms greedy strings	2000	5k
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
1492E	Almost Fault-Tolerant Database brute force constructive algorithms dfs and similar greedy implementation	2500	1.3k
1491D	Zookeeper and The Infinite Zoo bitmasks constructive algorithms dp greedy math	1800	8.5k
1491F	Magnets binary search constructive algorithms interactive	2700	1.2k
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
1486E	Paired Payment binary search brute force constructive algorithms dp flows graphs shortest paths	2200	3.5k
1485D	Multiples and Power Differences constructive algorithms graphs math number theory	2200	5.7k
1482C	Basic Diplomacy brute force constructive algorithms greedy implementation	1600	10.1k
1481C	Fence Painting brute force constructive algorithms greedy	1600	12.5k
1481D	AB Graph brute force constructive algorithms graphs greedy implementation	2000	4.9k
1479B1	Painting the Array I constructive algorithms data structures dp greedy implementation	1900	7.5k
1479B2	Painting the Array II constructive algorithms data structures dp greedy implementation	2100	4.5k
1479C	Continuous City bitmasks constructive algorithms	2500	1.5k
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
1477D	Nezzar and Hidden Permutations constructive algorithms dfs and similar graphs	2800	808
1476A	K-divisible Sum binary search constructive algorithms greedy math	1000	45.7k
1475F	Unusual Matrix 2-sat brute force constructive algorithms	1900	6k
1474B	Different Divisors binary search constructive algorithms greedy math number theory	1000	42.4k
1474C	Array Destruction brute force constructive algorithms data structures greedy implementation sortings	1700	14.3k
1474E	What Is It? constructive algorithms greedy	2500	1.5k
1473C	No More Inversions constructive algorithms math	1500	13.5k
1470C	Strange Shuffle binary search brute force constructive algorithms interactive	2500	1.5k
1470D	Strange Housing constructive algorithms dfs and similar graph matchings graphs greedy	2200	4.3k
1469A	Regular Bracket Sequence constructive algorithms greedy	1000	30.3k
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
1467C	Three Bags constructive algorithms greedy	1900	6.8k
1463B	Find The Array bitmasks constructive algorithms greedy	1400	21.3k
1463D	Pairs binary search constructive algorithms greedy two pointers	1900	4.9k
1463E	Plan of Lectures constructive algorithms dfs and similar dsu graphs implementation sortings trees	2400	1.8k
1461A	String Generation constructive algorithms greedy	800	19k
1461F	Mathematical Expression constructive algorithms dp greedy	2700	678
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
1454A	Special Permutation constructive algorithms probabilities	800	44.5k
1454D	Number into Sequence constructive algorithms math number theory	1300	22.5k
1453B	Suffix Operations constructive algorithms implementation	1400	14.2k
1453D	Checkpoints brute force constructive algorithms greedy math probabilities	1900	4.5k
1452F	Divide Powers constructive algorithms greedy	2900	383
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
1451F	Nullify The Matrix constructive algorithms games	2700	1.3k
1450A	Avoid Trygub constructive algorithms sortings	800	18.5k
1450C1	Errich-Tac-Toe (Easy Version) constructive algorithms math	2100	6k
1450C2	Errich-Tac-Toe (Hard Version) constructive algorithms math	2300	4.3k
1450E	Capitalism constructive algorithms dfs and similar graphs shortest paths	2700	1.5k
1450F	The Struggling Contestant constructive algorithms greedy	2400	1.5k
1447A	Add Candies constructive algorithms math	800	14.5k
1446A	Knapsack constructive algorithms greedy sortings	1300	18.1k
1446E	Long Recovery constructive algorithms dfs and similar	3500	128
1444D	Rectangular Polyline constructive algorithms dp geometry	2900	671
1443A	Kids Seating constructive algorithms math	800	16.7k
1442A	Extreme Subtraction constructive algorithms dp greedy	1800	9.8k

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