Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
2 days
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Problems

#	Name
1900B	Laura and Operations dp, math	900	x15864
401A	Vanya and Cards implementation, math	800	x15860
1349A	Orac and LCM data structures, math, number theory	1600	x15851
1822D	Super-Permutation constructive algorithms, math	1200	x15839
1671C	Dolce Vita binary search, brute force, greedy, math	1200	x15838
1584C	Two Arrays greedy, math, sortings	900	x15833
1672A	Log Chopping games, implementation, math	800	x15828
1194A	Remove a Progression math	800	x15824
1838B	Minimize Permutation Subarrays constructive algorithms, math	1100	x15775
1610A	Anti Light's Cell Guessing math	900	x15772
1823A	A-characteristic combinatorics, constructive algorithms, math	800	x15771
1236A	Stones brute force, greedy, math	800	x15765
1312C	Adding Powers bitmasks, greedy, implementation, math, number theory, ternary search	1400	x15755
570B	Simple Game constructive algorithms, games, greedy, implementation, math	1300	x15726
1612C	Chat Ban binary search, math	1300	x15715
1909A	Distinct Buttons implementation, math	800	x15655
1826B	Lunatic Never Content math, number theory	1100	x15623
1931D	Divisible Pairs combinatorics, math, number theory	1300	x15594
1891B	Deja Vu brute force, math, sortings	1100	x15593
898A	Rounding implementation, math	800	x15583
1634B	Fortune Telling bitmasks, math	1400	x15579
1951A	Dual Trigger constructive algorithms, greedy, math	900	x15555
1592B	Hemose Shopping constructive algorithms, dsu, math, sortings	1200	x15553
1842B	Tenzing and Books bitmasks, greedy, math	1100	x15542
1203B	Equal Rectangles greedy, math	1200	x15520
1225A	Forgetting Things math	900	x15497
1443B	Saving the City dp, greedy, math, sortings	1300	x15460
1490F	Equalize the Array binary search, data structures, greedy, math, sortings	1500	x15399
1320A	Journey Planning data structures, dp, greedy, math, sortings	1400	x15393
1303B	National Project math	1400	x15366
659A	Round House implementation, math	1000	x15342
1354C1	Simple Polygon Embedding binary search, geometry, math, ternary search	1400	x15305
1823B	Sort with Step brute force, math, sortings	900	x15268
1942A	Farmer John's Challenge constructive algorithms, math	800	x15261
1846E1	Rudolf and Snowflakes (simple version) brute force, implementation, math	1300	x15257
1764B	Doremy's Perfect Math Class math, number theory	900	x15222
1763A	Absolute Maximization bitmasks, constructive algorithms, greedy, math	800	x15220
1326C	Permutation Partitions combinatorics, greedy, math	1300	x15206
1793B	Fedya and Array constructive algorithms, math	1100	x15191
552B	Vanya and Books implementation, math	1200	x15180
1714E	Add Modulo 10 brute force, math, number theory	1400	x15175
804A	Find Amir constructive algorithms, greedy, math	1000	x15174
1628A	Meximum Array binary search, constructive algorithms, greedy, implementation, math, two pointers	1400	x15170
1344A	Hilbert's Hotel math, number theory, sortings	1600	x15170
1104A	Splitting into digits constructive algorithms, implementation, math	800	x15156
1615B	And It's Non-Zero bitmasks, greedy, math	1300	x15141
1447B	Numbers Box greedy, math	1000	x15103
1260B	Obtain Two Zeroes binary search, math	1300	x15078
1886B	Fear of the Dark binary search, geometry, math	1200	x15064
1165D	Almost All Divisors math, number theory	1600	x15056
1691C	Sum of Substrings brute force, constructive algorithms, greedy, math, strings	1400	x15053
650A	Watchmen data structures, geometry, math	1400	x15025
1445B	Elimination greedy, math	900	x15021
17A	Noldbach problem brute force, math, number theory	1000	x14989
1266A	Competitive Programmer chinese remainder theorem, math	1000	x14954
1152A	Neko Finds Grapes greedy, implementation, math	800	x14953
1415A	Prison Break brute force, math	800	x14915
950A	Left-handers, Right-handers and Ambidexters implementation, math	800	x14874
1419C	Killjoy greedy, implementation, math	1500	x14873
1772D	Absolute Sorting constructive algorithms, math	1400	x14836
1781A	Parallel Projection geometry, math	800	x14832
1107B	Digital root math, number theory	1000	x14797
1844C	Particles dp, greedy, implementation, math	1300	x14749
675A	Infinite Sequence math	1100	x14743
1738B	Prefix Sum Addicts constructive algorithms, greedy, math, sortings	1200	x14711
1271A	Suits brute force, greedy, math	800	x14676
1016A	Death Note greedy, implementation, math	900	x14651
1149A	Prefix Sum Primes constructive algorithms, greedy, math, number theory	1200	x14641
221A	Little Elephant and Function implementation, math	1000	x14636
1217A	Creating a Character binary search, math	1300	x14624
1584A	Mathematical Addition math	800	x14605
1726B	Mainak and Interesting Sequence bitmasks, constructive algorithms, math	1100	x14600
1637B	MEX and Array brute force, dp, greedy, math	1100	x14600
1413A	Finding Sasuke constructive algorithms, math	800	x14576
1110A	Parity math	900	x14541
1808B	Playing in a Casino math, sortings	1200	x14535
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x14534
84A	Toy Army math, number theory	900	x14533
1065A	Vasya and Chocolate implementation, math	800	x14528
1391C	Cyclic Permutations combinatorics, dp, graphs, math	1500	x14527
1863B	Split Sort greedy, math, sortings	1100	x14524
1185A	Ropewalkers math	800	x14517
1282A	Temporarily unavailable implementation, math	900	x14502
1834B	Maximum Strength greedy, math	1000	x14467
1690E	Price Maximization binary search, greedy, math, two pointers	1500	x14445
1187A	Stickers and Toys math	900	x14433
1617C	Paprika and Permutation binary search, greedy, math, sortings	1300	x14428
1104B	Game with string data structures, implementation, math	1200	x14416
1452B	Toy Blocks binary search, greedy, math, sortings	1400	x14407
1732A	Bestie brute force, combinatorics, constructive algorithms, implementation, math, number theory	1000	x14380
1397B	Power Sequence brute force, math, number theory, sortings	1500	x14339
1638C	Inversion Graph data structures, dsu, graphs, math	1300	x14337
1667A	Make it Increasing brute force, greedy, math	1300	x14323
761A	Dasha and Stairs brute force, constructive algorithms, implementation, math	1000	x14322
1417B	Two Arrays greedy, math, sortings	1100	x14318
1266B	Dice Tower constructive algorithms, math	1000	x14311
1851D	Prefix Permutation Sums implementation, math	1300	x14288
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x14270
1106C	Lunar New Year and Number Division greedy, implementation, math, sortings	900	x14264
1954C	Long Multiplication greedy, math, number theory	1200	x14260