Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 987 (Div. 2)
13:48:26
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1766B	Notepad# implementation	1000	x21255
1766A	Extremely Round brute force, implementation	800	x27257
1765M	Minimum LCM math, number theory	1000	x16214
1765E	Exchange brute force, math	1000	x10191
1765B	Broken Keyboard greedy	800	x9084
1764B	Doremy's Perfect Math Class math, number theory	900	x15984
1764A	Doremy's Paint greedy	800	x16662
1763B	Incinerate binary search, brute force, data structures, implementation, math, sortings	1200	x14732
1763A	Absolute Maximization bitmasks, constructive algorithms, greedy, math	800	x15759
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x17037
1762A	Divide and Conquer greedy, math, number theory	800	x19284
1761B	Elimination of a Ring constructive algorithms, greedy, implementation	1000	x13507
1761A	Two Permutations brute force, constructive algorithms	800	x20192
1760E	Binary Inversions data structures, greedy, math	1100	x20504
1760D	Challenging Valleys implementation, two pointers	1000	x23897
1760C	Advantage data structures, implementation, sortings	800	x37648
1760B	Atilla's Favorite Problem greedy, implementation, strings	800	x45119
1760A	Medium Number implementation, sortings	800	x60919
1759C	Thermostat greedy, math, shortest paths	1100	x17805
1759B	Lost Permutation math	800	x22337
1759A	Yes-Yes? implementation, strings	800	x30240
1758B	XOR = Average constructive algorithms	900	x21405
1758A	SSeeeeiinngg DDoouubbllee constructive algorithms, strings	800	x25309
1754B	Kevin and Permutation constructive algorithms, greedy, math	800	x18976
1754A	Technical Support greedy	800	x23321
1750B	Maximum Substring brute force, greedy, implementation	800	x16261
1750A	Indirect Sort constructive algorithms, implementation, math	800	x17097
1749B	Death's Blessing greedy	900	x21077
1749A	Cowardly Rooks greedy, implementation	800	x22390
1748A	The Ultimate Square math	800	x24159
1747C	Swap Game games	1200	x21372
1747B	BAN BAN constructive algorithms	900	x23120
1747A	Two Groups constructive algorithms, greedy	800	x25023
1746B	Rebellion constructive algorithms, greedy, two pointers	800	x17254
1746A	Maxmina constructive algorithms, greedy	800	x19883
1744D	Divisibility by 2^n greedy, math, sortings	1200	x21653
1744C	Traffic Light binary search, implementation, two pointers	1000	x27988
1744B	Even-Odd Increments implementation, math	800	x23598
1744A	Number Replacement greedy, implementation	800	x27256
1743C	Save the Magazines constructive algorithms, dp, greedy	1100	x19285
1743B	Permutation Value constructive algorithms, greedy	800	x22287
1743A	Password brute force, combinatorics, implementation, math	800	x26895
1742E	Scuza binary search, greedy, math	1200	x25288
1742D	Coprime brute force, greedy, number theory	1100	x24099
1742C	Stripes implementation	900	x33368
1742B	Increasing greedy, implementation, sortings	800	x48482
1742A	Sum implementation	800	x74668
1741C	Minimize the Thickness brute force, greedy, math, two pointers	1100	x17855
1741B	Funny Permutation constructive algorithms, math	800	x25529
1741A	Compare T-Shirt Sizes implementation, implementation, strings	800	x31031
1740B	Jumbo Extra Cheese 2 geometry, greedy, sortings	800	x13780
1740A	Factorise N+M constructive algorithms, number theory	800	x20396
1739B	Array Recovery constructive algorithms, greedy, math	1100	x22553
1739A	Immobile Knight implementation	800	x22857
1738B	Prefix Sum Addicts constructive algorithms, greedy, math, sortings	1200	x15811
1738A	Glory Addicts greedy, implementation, sortings	800	x13559
1737A	Ela Sorting Books greedy, implementation, strings	900	x10173
1736B	Playing with GCD math, number theory	1200	x18174
1736A	Make A Equal to B brute force, greedy, sortings	800	x22912
1735B	Tea with Tangerines greedy, math	900	x18293
1735A	Working Week constructive algorithms, greedy, math	800	x20338
1734C	Removing Smallest Multiples greedy, math	1200	x19004
1734B	Bright, Nice, Brilliant constructive algorithms	800	x15859
1734A	Select Three Sticks brute force, greedy, sortings	800	x21280
1733B	Rule of League constructive algorithms, math	900	x19836
1733A	Consecutive Sum greedy, sortings	800	x21032
1732B	Ugu brute force, dp, greedy, implementation	900	x15159
1732A	Bestie brute force, combinatorics, constructive algorithms, implementation, math, number theory	1000	x15137
1731B	Kill Demodogs greedy, math	1100	x18573
1731A	Joey Takes Money greedy, math	800	x22680
1730C	Minimum Notation data structures, greedy, math, sortings	1200	x16601
1730A	Planets data structures, greedy, sortings	800	x23160
1729D	Friends and the Restaurant greedy, sortings, two pointers	1200	x21064
1729C	Jumping on Tiles constructive algorithms, strings	1100	x20035
1729B	Decode String greedy, strings	800	x30261
1729A	Two Elevators math	800	x40732
1728B	Best Permutation constructive algorithms, greedy	800	x20189
1728A	Colored Balls: Revisited brute force, greedy, implementation, sortings	800	x24711
1726B	Mainak and Interesting Sequence bitmasks, constructive algorithms, math	1100	x15216
1726A	Mainak and Array greedy, math	900	x22345
1725B	Basketball Together binary search, greedy, sortings	1000	x14426
1725A	Accumulation of Dominoes math	800	x9304
1722D	Line greedy, sortings	1100	x23487
1722C	Word Game data structures, implementation	800	x31439
1722B	Colourblindness implementation	800	x46906
1722A	Spell Check implementation	800	x51709
1721B	Deadly Laser implementation	1000	x22309
1721A	Image greedy, implementation	800	x27100
1720C	Corners greedy, implementation	1200	x16896
1720B	Interesting Sum brute force, data structures, greedy, math, sortings	800	x21277
1720A	Burenka Plays with Fractions math, number theory	900	x22497
1719B	Mathematical Circus constructive algorithms, math	800	x18581
1719A	Chip Game games, math	800	x25662
1717B	Madoka and Underground Competitions constructive algorithms, implementation	1100	x14870
1717A	Madoka and Strange Thoughts math, number theory	800	x19569
1716B	Permutation Chain constructive algorithms, math	800	x21458
1716A	2-3 Moves greedy, math	800	x33154
1715B	Beautiful Array constructive algorithms, greedy, math	1000	x22269
1715A	Crossmarket constructive algorithms, greedy, math	800	x23595
1714C	Minimum Varied Number greedy	800	x31172