Problemset - Codeforces

→ Pay attention

Contest is running
2023 Post World Finals Online ICPC Challenge powered by Huawei
13 days
Register now »

Before contest
Kotlin Heroes: Practice 10
04:38:41
Register now »

→ Filter Problems

Difficulty: —

sortings

Add tag

Problems

#	Name
1970A1	Balanced Shuffle (Easy) implementation, sortings		x1453
1969D	Shop Game data structures, greedy, math, sortings	1900	x2807
1967A	Permutation Counting binary search, greedy, implementation, math, sortings		x7893
1965A	Everything Nim games, greedy, math, sortings	1400	x9148
1956F	Nene and the Passing Game constructive algorithms, data structures, dsu, graphs, sortings	3000	x244
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x6976
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x23405
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x4760
1952J	Help, what does it mean to be "Based" brute force, constructive algorithms, expression parsing, implementation, sortings		x687
1951C	Ticket Hoarding greedy, math, sortings	1400	x9418
1949F	Dating greedy, sortings, trees	2200	x720
1949B	Charming Meals binary search, brute force, greedy, sortings	1500	x1691
1946A	Median of an Array greedy, implementation, sortings	800	x23363
1945F	Kirill and Mushrooms data structures, sortings	1900	x3539
1942D	Learning to Paint binary search, data structures, dfs and similar, dp, greedy, implementation, sortings	2100	x2397
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x5151
1940D	Almost Certainly *special problem, constructive algorithms, data structures, sortings		x123
1940C	Burenka and Pether *special problem, data structures, dfs and similar, divide and conquer, dsu, graphs, sortings, trees		x32
1940B	Three Arrays *special problem, constructive algorithms, implementation, sortings		x173
1936C	Pokémon Arena data structures, graphs, greedy, implementation, shortest paths, sortings	2400	x1076
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7088
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x17687
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x35300
1932F	Feed Cats data structures, dp, sortings	1900	x3365
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x13256
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6386
1930A	Maximise The Score greedy, sortings	800	x17101
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x28812
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x15193
1927F	Microcycle data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees	1900	x3770
1924B	Space Harbour data structures, implementation, math, sortings	2100	x2271
1922B	Forming Triangles combinatorics, constructive algorithms, math, sortings	1200	x18974
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x19926
1920B	Summation Game games, greedy, math, sortings	1100	x19224
1919D	01 Tree constructive algorithms, data structures, dsu, greedy, sortings, trees	2100	x3593
1918F	Caterpillar on a Tree dfs and similar, graphs, greedy, implementation, sortings, trees	2500	x769
1918E	ace5 and Task Order constructive algorithms, divide and conquer, implementation, interactive, probabilities, sortings	2200	x1544
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x22048
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x5404
1915F	Greetings data structures, divide and conquer, sortings	1500	x11536
1914E2	Game with Marbles (Hard Version) games, greedy, sortings	1400	x11214
1914E1	Game with Marbles (Easy Version) brute force, games, greedy, sortings	1400	x11116
1914D	Three Activities brute force, dp, greedy, implementation, sortings	1200	x18098
1912A	Accumulator Apex data structures, implementation, sortings	1900	x1869
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x9917
1907F	Shift and Reverse greedy, sortings	1800	x4368
1906F	Maximize The Value data structures, sortings	2100	x931
1904D2	Set To Max (Hard Version) constructive algorithms, data structures, divide and conquer, greedy, implementation, sortings	1800	x3792
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x10555
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x12801
1903A	Halloumi Boxes brute force, greedy, sortings	800	x23990
1901E	Compressed Tree dfs and similar, dp, graphs, greedy, sortings, trees	2200	x1361
1899G	Unusual Entertainment data structures, dfs and similar, dsu, shortest paths, sortings, trees, two pointers	1900	x2907
1899E	Queue Sort greedy, implementation, sortings	1300	x13879
1898E	Sofia and Strings data structures, greedy, sortings, strings, two pointers	2200	x2041
1896G	Pepe Racing constructive algorithms, implementation, interactive, sortings	3200	x303
1896E	Permutation Sorting data structures, sortings	2100	x2008
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8587
1896A	Jagged Swaps sortings	800	x18600
1895E	Infinite Card Game binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers	2300	x1453
1895B	Points and Minimum Distance greedy, math, sortings	800	x19630
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x8062
1891E	Brukhovich and Exams brute force, greedy, implementation, math, sortings	2500	x771
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11257
1891B	Deja Vu brute force, math, sortings	1100	x15705
1891A	Sorting with Twos constructive algorithms, sortings	800	x18346
1889C1	Doremy's Drying Plan (Easy Version) brute force, data structures, dp, greedy, sortings	2000	x3004
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x6733
1886E	I Wanna be the Team Leader bitmasks, constructive algorithms, dp, greedy, math, sortings, two pointers	2400	x1330
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5432
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x4865
1876C	Autosynthesis constructive algorithms, dfs and similar, graphs, greedy, sortings	2100	x2135
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x7491
1876A	Helmets in Night Light greedy, sortings	1000	x14764
1873E	Building an Aquarium binary search, sortings	1100	x22916
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6416
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x14364
1867A	green_gold_dog, array and permutation constructive algorithms, sortings	800	x19188
1866F	Freak Joker Process binary search, data structures, sortings	3100	x120
1864F	Exotic Queries data structures, implementation, sortings	2300	x1307
1864E	Guess Game bitmasks, data structures, games, math, probabilities, sortings, strings, trees	2100	x2464
1864B	Swap and Reverse constructive algorithms, greedy, sortings, strings	1100	x14739
1863E	Speedrun brute force, dfs and similar, dp, graphs, greedy, math, sortings, two pointers	2100	x2607
1863B	Split Sort greedy, math, sortings	1100	x14557
1862G	The Great Equalizer binary search, data structures, math, sortings	2000	x2648
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x19626
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x263
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6530
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x24247
1857G	Counting Graphs combinatorics, divide and conquer, dsu, graphs, greedy, sortings, trees	2000	x4074
1857E	Power of Points math, sortings	1500	x11493
1857D	Strong Vertices math, sortings, trees	1300	x17676
1857C	Assembly via Minimums greedy, sortings	1200	x22898
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4132
1851G	Vlad and the Mountains binary search, data structures, dsu, graphs, implementation, sortings, trees, two pointers	2000	x2924
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9424
1851B	Parity Sort greedy, sortings, two pointers	800	x28052
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x11195
1850D	Balanced Round brute force, greedy, implementation, sortings	900	x32265
1850B	Ten Words of Wisdom implementation, sortings	800	x40320

←