Problemset - Codeforces

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Problems

#	Name
25A	IQ test brute force	1300	x81087
4C	Registration System data structures, hashing, implementation	1300	x77158
230B	T-primes binary search, implementation, math, number theory	1300	x69843
189A	Cut Ribbon brute force, dp	1300	x62465
451B	Sort the Array implementation, sortings	1300	x43024
459B	Pashmak and Flowers combinatorics, implementation, sortings	1300	x38454
478B	Random Teams combinatorics, constructive algorithms, greedy, math	1300	x35244
1294C	Product of Three Numbers greedy, math, number theory	1300	x32289
1360D	Buying Shovels math, number theory	1300	x30760
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x29034
1328B	K-th Beautiful String binary search, brute force, combinatorics, implementation, math	1300	x28111
600B	Queries about less or equal elements binary search, data structures, sortings, two pointers	1300	x27409
276B	Little Girl and Game games, greedy	1300	x27224
1538C	Number of Pairs binary search, data structures, math, two pointers	1300	x26979
1335D	Anti-Sudoku constructive algorithms, implementation	1300	x26582
1372B	Omkar and Last Class of Math greedy, math, number theory	1300	x26130
1365B	Trouble Sort constructive algorithms, implementation	1300	x26014
450B	Jzzhu and Sequences implementation, math	1300	x25322
1352D	Alice, Bob and Candies implementation	1300	x24807
1360E	Polygon dp, graphs, implementation, shortest paths	1300	x24404
545D	Queue greedy, implementation, sortings	1300	x24067
1401C	Mere Array constructive algorithms, math, number theory, sortings	1300	x23428
1367C	Social Distance constructive algorithms, greedy, math	1300	x22593
508B	Anton and currency you all know greedy, math, strings	1300	x22061
893C	Rumor dfs and similar, graphs, greedy	1300	x21633
1692F	3SUM brute force, math	1300	x21264
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x21231
1285B	Just Eat It! dp, greedy, implementation	1300	x20995
1555C	Coin Rows brute force, constructive algorithms, dp, implementation	1300	x20851
1521B	Nastia and a Good Array constructive algorithms, math, number theory	1300	x20746
1371C	A Cookie for You greedy, implementation, math	1300	x20166
1381A1	Prefix Flip (Easy Version) constructive algorithms, data structures, strings	1300	x19838
1454D	Number into Sequence constructive algorithms, math, number theory	1300	x19731
1366B	Shuffle math, two pointers	1300	x19586
1203C	Common Divisors implementation, math	1300	x19565
1476B	Inflation binary search, brute force, greedy, math	1300	x19472
519C	A and B and Team Training greedy, implementation, math, number theory	1300	x19332
1341B	Nastya and Door greedy, implementation	1300	x19018
1660C	Get an Even String dp, greedy, strings	1300	x18755
1364B	Most socially-distanced subsequence greedy, two pointers	1300	x18423
1915E	Romantic Glasses data structures, greedy, math	1300	x18371
1037C	Equalize dp, greedy, strings	1300	x18302
1618D	Array and Operations dp, greedy, math	1300	x18277
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18197
1703F	Yet Another Problem About Pairs Satisfying an Inequality binary search, data structures, dp, greedy, sortings	1300	x18141
1433E	Two Round Dances combinatorics, math	1300	x18019
1373C	Pluses and Minuses math	1300	x17929
1698C	3SUM Closure brute force, data structures	1300	x17886
1857D	Strong Vertices math, sortings, trees	1300	x17673
1560D	Make a Power of Two greedy, math, strings	1300	x17638
1955C	Inhabitant of the Deep Sea greedy, implementation, math	1300	x17422
617B	Chocolate combinatorics	1300	x17314
1466C	Canine poetry dp, greedy, strings	1300	x17298
1850F	We Were Both Children brute force, implementation, math, number theory	1300	x17113
1420C1	Pokémon Army (easy version) constructive algorithms, dp, greedy	1300	x17011
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x16967
486B	OR in Matrix greedy, hashing, implementation	1300	x16925
1922C	Closest Cities greedy, implementation, math	1300	x16822
1407B	Big Vova brute force, greedy, math, number theory	1300	x16676
251A	Points on Line binary search, combinatorics, two pointers	1300	x16584
1574C	Slay the Dragon binary search, greedy, sortings, ternary search	1300	x16525
1788C	Matching Numbers constructive algorithms, greedy, math	1300	x16455
1234B2	Social Network (hard version) data structures, implementation	1300	x16454
1607D	Blue-Red Permutation greedy, math, sortings	1300	x16390
330B	Road Construction constructive algorithms, graphs	1300	x16356
573A	Bear and Poker implementation, math, number theory	1300	x16291
1418B	Negative Prefixes greedy, sortings	1300	x16282
1627B	Not Sitting games, greedy, sortings	1300	x16273
1669H	Maximal AND bitmasks, greedy, math	1300	x16260
1249B2	Books Exchange (hard version) dfs and similar, dsu, math	1300	x16248
1829F	Forever Winter dfs and similar, graphs, math	1300	x16137
1603A	Di-visible Confusion constructive algorithms, math, number theory	1300	x16104
1498B	Box Fitting binary search, bitmasks, data structures, greedy	1300	x16080
1547D	Co-growing Sequence bitmasks, constructive algorithms, greedy	1300	x16023
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x15994
862B	Mahmoud and Ehab and the bipartiteness dfs and similar, graphs, trees	1300	x15969
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x15815
352B	Jeff and Periods implementation, sortings	1300	x15814
1612C	Chat Ban binary search, math	1300	x15804
570B	Simple Game constructive algorithms, games, greedy, implementation, math	1300	x15769
1931D	Divisible Pairs combinatorics, math, number theory	1300	x15758
1693A	Directional Increase greedy	1300	x15638
1555B	Two Tables brute force	1300	x15620
1311C	Perform the Combo brute force	1300	x15586
1443B	Saving the City dp, greedy, math, sortings	1300	x15486
1846E1	Rudolf and Snowflakes (simple version) brute force, implementation, math	1300	x15332
1077C	Good Array	1300	x15294
1326C	Permutation Partitions combinatorics, greedy, math	1300	x15256
1615B	And It's Non-Zero bitmasks, greedy, math	1300	x15205
1943A	MEX Game 1 games, greedy	1300	x15174
1260B	Obtain Two Zeroes binary search, math	1300	x15096
1733C	Parity Shuffle Sorting constructive algorithms, sortings	1300	x15089
1249C1	Good Numbers (easy version) brute force, greedy, implementation	1300	x15069
1446A	Knapsack constructive algorithms, greedy, sortings	1300	x14903
1879C	Make it Alternating combinatorics, dp, greedy	1300	x14879
1844C	Particles dp, greedy, implementation, math	1300	x14808
1237B	Balanced Tunnel data structures, sortings, two pointers	1300	x14706
1217A	Creating a Character binary search, math	1300	x14636
1617C	Paprika and Permutation binary search, greedy, math, sortings	1300	x14532
1736C1	Good Subarrays (Easy Version) binary search, data structures, schedules, two pointers	1300	x14494

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