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PID远端题目
CF1792F1CF1792F1 Graph Coloring (easy version)
CF1793ECF1793E Velepin and Marketing
CF1795DCF1795D Triangle Coloring
CF1795ECF1795E Explosions?
CF1799FCF1799F Halve or Subtract
CF1799HCF1799H Tree Cutting
CF17DCF17D Notepad
CF1801BCF1801B Buying gifts
CF1801ECF1801E Gasoline prices
CF1806ECF1806E Tree Master
CF1810GCF1810G The Maximum Prefix
CF1811DCF1811D Umka and a Long Flight
CF1811FCF1811F Is It Flower?
CF1811G1CF1811G1 Vlad and the Nice Paths (easy version)
CF1811G2CF1811G2 Vlad and the Nice Paths (hard version)
CF1814FCF1814F Communication Towers
CF1817BCF1817B Fish Graph
CF1821FCF1821F Timber
CF1824B2CF1824B2 LuoTianyi and the Floating Islands (Hard Version)
CF1824DCF1824D LuoTianyi and the Function
CF1826ECF1826E Walk the Runway
CF1827B1CF1827B1 Range Sorting (Easy Version)
CF1827B2CF1827B2 Range Sorting (Hard Version)
CF1827CCF1827C Palindrome Partition
CF1827DCF1827D Two Centroids
CF1829GCF1829G Hits Different
CF1830BCF1830B The BOSS Can Count Pairs
CF1830CCF1830C Hyperregular Bracket Strings
CF1830DCF1830D Mex Tree
CF1832D1CF1832D1 Red-Blue Operations (Easy Version)
CF1832D2CF1832D2 Red-Blue Operations (Hard Version)
CF1832ECF1832E Combinatorics Problem
CF1835ACF1835A k-th equality
CF1835BCF1835B Lottery
CF1835CCF1835C Twin Clusters
CF1835DCF1835D Doctor's Brown Hypothesis
CF183CCF183C Cyclic Coloring
CF1842DCF1842D Tenzing and His Animal Friends
CF1842ECF1842E Tenzing and Triangle
CF1842FCF1842F Tenzing and Tree
CF1842GCF1842G Tenzing and Random Operations
CF1842HCF1842H Tenzing and Random Real Numbers
CF1843ECF1843E Tracking Segments
CF1844ECF1844E Great Grids
CF1844F1CF1844F1 Min Cost Permutation (Easy Version)
CF1846GCF1846G Rudolf and CodeVid-23
CF1848FCF1848F Vika and Wiki
CF1851FCF1851F Lisa and the Martians
CF1851GCF1851G Vlad and the Mountains
CF1852ACF1852A Ntarsis' Set
CF1856E2CF1856E2 PermuTree (hard version)
CF1857GCF1857G Counting Graphs
CF1860DCF1860D Balanced String
CF1861CCF1861C Queries for the Array
CF1861DCF1861D Sorting By Multiplication
CF1861ECF1861E Non-Intersecting Subpermutations
CF1862GCF1862G The Great Equalizer
CF1864ECF1864E Guess Game
CF1864FCF1864F Exotic Queries
CF1864GCF1864G Magic Square
CF1866HCF1866H Happy Sets
CF1872GCF1872G Replace With Product
CF1874BCF1874B Jellyfish and Math
CF1874CCF1874C Jellyfish and EVA
CF1874ECF1874E Jellyfish and Hack
CF1875DCF1875D Jellyfish and Mex
CF1876CCF1876C Autosynthesis
CF1876DCF1876D Lexichromatography
CF1886ECF1886E I Wanna be the Team Leader
CF1886FCF1886F Diamond Theft
CF1887BCF1887B Time Travel
CF1889BCF1889B Doremy's Connecting Plan
CF1889C1CF1889C1 Doremy's Drying Plan (Easy Version)
CF1889C2CF1889C2 Doremy's Drying Plan (Hard Version)
CF1889DCF1889D Game of Stacks
CF1891FCF1891F A Growing Tree
CF1895DCF1895D XOR Construction
CF1899GCF1899G Unusual Entertainment
CF1901ECF1901E Compressed Tree
CF190ECF190E Counter Attack
CF1912KCF1912K Kim's Quest
CF1913DCF1913D Array Collapse
CF1916DCF1916D Mathematical Problem
CF1916H1CF1916H1 Matrix Rank (Easy Version)
CF1916H2CF1916H2 Matrix Rank (Hard Version)
CF1921GCF1921G Mischievous Shooter
CF1922DCF1922D Berserk Monsters
CF1923ECF1923E Count Paths
CF1924DCF1924D Balanced Subsequences
CF193ECF193E Fibonacci Number
CF1948DCF1948D Tandem Repeats?
CF1957DCF1957D A BIT of an Inequality
CF1968FCF1968F Equal XOR Segments
CF1969CCF1969C Minimizing the Sum
CF1969DCF1969D Shop Game
CF1971HCF1971H ±1
CF1974GCF1974G Money Buys Less Happiness Now
CF1975DCF1975D Paint the Tree
CF1975ECF1975E Chain Queries
CF1975FCF1975F Set