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Problemset

11,320 problems

#	Name	Rating↕	Solved↕
1520G	To Go Or Not To Go? brute force dfs and similar graphs greedy implementation shortest paths	2200	4.4k
1519A	Red and Blue Beans math	800	30.7k
1519B	The Cake Is a Lie dp math	800	33.6k
1519C	Berland Regional brute force data structures greedy number theory sortings	1400	23.5k
1519D	Maximum Sum of Products brute force dp implementation math two pointers	1600	17.9k
1519E	Off by One constructive algorithms dfs and similar geometry graphs sortings trees	2700	944
1519F	Chests and Keys bitmasks brute force dfs and similar dp flows	3200	800
1517A	Sum of 2050 greedy math	800	27k
1517B	Morning Jogging constructive algorithms greedy sortings	1200	13.9k
1517C	Fillomino 2 constructive algorithms dfs and similar greedy implementation	1400	14.3k
1517D	Explorer Space dp graphs shortest paths	1800	9.5k
1517E	Group Photo binary search data structures implementation two pointers	2500	1.1k
1517F	Reunion combinatorics dp trees	3200	702
1517G	Starry Night Camping constructive algorithms flows graphs	3300	753
1517H	Fly Around the World dp geometry	3500	92
1516A	Tit for Tat greedy	800	24.8k
1516B	AGAGA XOOORRR bitmasks brute force dp greedy	1500	26.6k
1516C	Baby Ehab Partitions Again bitmasks constructive algorithms dp math	1700	14.5k
1516D	Cut binary search data structures dp graphs number theory two pointers	2100	5.3k
1516E	Baby Ehab Plays with Permutations combinatorics dp math	2500	1.1k
1515A	Phoenix and Gold constructive algorithms greedy math	800	21.4k
1515B	Phoenix and Puzzle brute force geometry math number theory	1000	27.3k
1515C	Phoenix and Towers constructive algorithms data structures greedy	1400	19k
1515D	Phoenix and Socks greedy sortings two pointers	1500	12.9k
1515E	Phoenix and Computers combinatorics dp math	2200	4.6k
1515F	Phoenix and Earthquake constructive algorithms dfs and similar dsu graphs greedy trees	2600	2.2k
1515G	Phoenix and Odometers dfs and similar graphs math number theory	2700	1.4k
1515H	Phoenix and Bits bitmasks brute force data structures sortings	3500	358
1515I	Phoenix and Diamonds binary search data structures sortings	3400	440
1514A	Perfectly Imperfect Array math number theory	800	25.5k
1514B	AND 0, Sum Big bitmasks combinatorics math	1200	36.7k
1514C	Product 1 Modulo N greedy number theory	1600	18.8k
1514D	Cut and Stick binary search data structures greedy implementation sortings	2000	5.1k
1514E	Baby Ehab's Hyper Apartment binary search graphs interactive sortings two pointers	2700	714
1513A	Array and Peaks constructive algorithms implementation	800	20.1k
1513B	AND Sequences bitmasks combinatorics constructive algorithms math	1400	21k
1513C	Add One dp matrices	1600	16.9k
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
1512A	Spy Detected! brute force implementation	800	82.4k
1512B	Almost Rectangle implementation	800	26.7k
1512C	A-B Palindrome constructive algorithms implementation strings	1200	22k
1512D	Corrupted Array constructive algorithms data structures greedy	1200	24.9k
1512E	Permutation by Sum brute force greedy math	1600	11.5k
1512F	Education brute force dp greedy implementation	1900	6.9k
1512G	Short Task brute force dp math number theory	1700	9.6k
1511A	Review Site greedy	800	29k
1511B	GCD Length constructive algorithms math number theory	1100	24.9k
1511C	Yet Another Card Deck brute force data structures implementation trees	1100	34.5k
1511D	Min Cost String brute force constructive algorithms graphs greedy strings	1600	12.6k
1511E	Colorings and Dominoes combinatorics dp greedy math	2100	2.9k
1511F	Chainword brute force data structures dp matrices string suffix structures strings	2700	603
1511G	Chips on a Board bitmasks brute force data structures dp games two pointers	2700	988
1510A	ASCII Automata Art	3100	168
1510B	Button Lock flows graph matchings graphs	2600	982
1510C	Cactus Not Enough dfs and similar graph matchings graphs	2900	247
1510D	Digits dp math number theory	2100	2.1k
1510E	Equilibrium Point /\textbackslash/\textbackslash	2700	271
1510F	Fiber Shape	2800	64
1510G	Guide	2100	1.4k
1510H	Hard Optimization dp	3200	140
1510I	Is It Rated? greedy interactive math probabilities	2700	598
1510J	Japanese Game constructive algorithms math	2700	565
1510K	King's Task brute force graphs implementation	1200	6.1k
1509A	Average Height constructive algorithms	800	27.4k
1509B	TMT Document greedy	1100	23.3k
1509C	The Sports Festival dp greedy	1800	15.9k
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
1508C	Complete the MST bitmasks brute force data structures dfs and similar dsu graphs greedy trees	2500	1.8k
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
1508F	Optimal Encoding brute force data structures	3500	166
1506A	Strange Table math	800	32.8k
1506B	Partial Replacement greedy implementation	1100	21.3k
1506C	Double-ended Strings brute force implementation strings	1000	37.6k
1506D	Epic Transformation constructive algorithms data structures greedy	1400	26k
1506E	Restoring the Permutation constructive algorithms implementation	1500	14.4k
1506F	Triangular Paths constructive algorithms graphs math shortest paths sortings	2000	3.8k
1506G	Maximize the Remaining String brute force data structures dp greedy strings	2000	4.9k
1505A	Is it rated - 2 *special implementation interactive	900	16.2k
1505B	DMCA *special implementation number theory	1600	6.6k
1505C	Fibonacci Words *special implementation	1400	6.7k
1505D	Xenolith? Hippodrome? *special number theory	1800	893
1505E	Cakewalk *special greedy implementation shortest paths	1800	1.9k
1505F	Math *special math	2200	1.6k
1505G	Encoded message *special implementation	2600	369
1505H	L BREAK into program *special	2500	568
1505I	Mysterious language again, seriously? *special	2200	613
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
1503C	Travelling Salesman Problem binary search data structures dp greedy shortest paths sortings two pointers	2200	3.9k
1503D	Flip the Cards 2-sat constructive algorithms data structures greedy sortings two pointers	2600	1.3k
1503E	2-Coloring combinatorics dp math	3100	910
1503F	Balance the Cards constructive algorithms data structures divide and conquer geometry graphs implementation	3500	239
1501A	Alexey and Train implementation	800	12.4k
1501B	Napoleon Cake dp implementation sortings	900	21.3k

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