ID Problem Show tags Hide tags AC / Tried Difficulty
177 P1800B   Count the Number of Pairs 0 / 0 3
175 P1800C1   Powering the Hero (easy version) 0 / 0 3
174 P1800C2   Powering the Hero (hard version) 0 / 0 3
172 P1800D   Remove Two Letters 0 / 0 4
171 P1800E1   Unforgivable Curse (easy version) 0 / 0 4
169 P1800E2   Unforgivable Curse (hard version) 0 / 0 5
163 P1801B   Buying gifts 0 / 0 6
162 P1801C   Music Festival 0 / 0 6
160 P1801D   The way home 0 / 0 7
154 P1802A   Likes 1 / 1 3
152 P1802B   Settlement of Guinea Pigs 1 / 1 3
151 P1804A   Lame King 0 / 0 3
149 P1804B   Vaccination 0 / 0 3
148 P1804C   Pull Your Luck 0 / 0 5
147 P1804D   Accommodation 0 / 0 7
140 P1805B   The String Has a Target 0 / 0 3
138 P1805D   A Wide, Wide Graph 0 / 0 6
135 P1805F2   Survival of the Weakest (hard version) 0 / 0 10
134 P1806A   Walking Master 2 / 2 3
133 P1806B   Mex Master 2 / 2 3
127 P1806F1   GCD Master (easy version) 0 / 0 10
125 P1806F2   GCD Master (hard version) 0 / 0 10
123 P1807B   Grab the Candies 0 / 0 3
121 P1807C   Find and Replace 0 / 0 3
114 P1807G1   Subsequence Addition (Easy Version) 0 / 0 3
112 P1807G2   Subsequence Addition (Hard Version) 0 / 0 3
108 P1808C   Unlucky Numbers 0 / 0 6
96 P1809B   Points on Plane 0 / 0 3
94 P1809C   Sum on Subarrays 0 / 0 5
92 P1809D   Binary String Sorting 0 / 0 6
86 P1809F   Traveling in Berland 0 / 0 9
82 P1810A   Beautiful Sequence 0 / 0 3
81 P1810C   Make It Permutation 0 / 0 4
77 P1810E   Monsters 0 / 0 7
68 P1811A   Insert Digit 0 / 0 3
65 P1811C   Restore the Array 0 / 0 3
54 P1814C   Search in Parallel 0 / 0 5
49 P1815A   Ian and Array Sorting 0 / 0 4
45 P1815C   Between 0 / 0 8
38 P1816B   Grid Reconstruction 0 / 0 3
9802 P1817A   Almost Increasing Subsequence 0 / 0 5
9798 P1817E   Half-sum 0 / 0 10
9796 P1818A   Politics 0 / 0 3
36 P1819A   Constructive Problem 0 / 0 4
35 P1819B   The Butcher 0 / 0 6
22 P1821B   Sort the Subarray 12 / 41 6
17 P1821D   Black Cells 3 / 23 9
16 P1821E   Rearrange Brackets 1 / 1 10
10 P1822B   Karina and Array 0 / 0 (None)
5 P1822E   Making Anti-Palindromes 0 / 0 (None)
3636 P1823C   Strongly Composite 0 / 0 (None)
9794 P1824A   LuoTianyi and the Show 0 / 0 (None)
9791 P1824C   LuoTianyi and XOR-Tree 0 / 0 (None)
9788 P1825A   LuoTianyi and the Palindrome String 1 / 1 10
9787 P1825B   LuoTianyi and the Table 0 / 1 10
9786 P1826A   Trust Nobody 0 / 0 (None)
9784 P1826C   Dreaming of Freedom 0 / 0 (None)
9783 P1826D   Running Miles 0 / 0 (None)
9822 P1827B1   Range Sorting (Easy Version) 0 / 0 7
9821 P1827B2   Range Sorting (Hard Version) 0 / 0 9
9819 P1827D   Two Centroids 0 / 0 10
9818 P1827E   Bus Routes 0 / 0 10
9817 P1827F   Copium Permutation 0 / 0 10
9775 P1829C   Mr 0 / 0 (None)
9840 P1831B   Array merging 0 / 0 (None)
9811 P1832C   Contrast Value 0 / 0 4
9809 P1832D1   Red-Blue Operations (Easy Version) 0 / 0 7
9808 P1832D2   Red-Blue Operations (Hard Version) 0 / 0 9
9838 P1833B   Restore the Weather 0 / 0 3
9837 P1833C   Vlad Building Beautiful Array 0 / 0 3
9836 P1833D   Flipper 0 / 0 4
9833 P1833G   Ksyusha and Chinchilla 0 / 0 6
9938 P1835B   Lottery 0 / 0 9
9932 P1836B   Astrophysicists 0 / 0 3
9831 P1837B   Comparison String 0 / 0 (None)
9830 P1837C   Best Binary String 0 / 0 (None)
9829 P1837D   Bracket Coloring 0 / 0 (None)
9826 P1837F   Editorial for Two 0 / 0 (None)
9869 P1838D   Bracket Walk 0 / 0 7
9866 P1839A   The Good Array 0 / 0 3
9865 P1839B   Lamps 0 / 0 3
9862 P1839E   Decreasing Game 0 / 0 9
9858 P1840D   Wooden Toy Festival 0 / 0 4
9851 P1841C   Ranom Numbers 0 / 8 10
9850 P1841D   Pairs of Segments 0 / 1 10
9849 P1841E   Fill the Matrix 0 / 0 (None)
9930 P1842B   Tenzing and Books 0 / 0 3
9928 P1842D   Tenzing and His Animal Friends 0 / 0 6
9927 P1842E   Tenzing and Triangle 0 / 0 8
9926 P1842F   Tenzing and Tree 0 / 0 9
9923 P1842I   Tenzing and Necklace 0 / 0 10
9922 P1843A   Sasha and Array Coloring 0 / 0 3
9921 P1843B   Long Long 0 / 0 3
9917 P1843F1   Omsk Metro (simple version) 0 / 0 6
9913 P1844C   Particles 0 / 0 4
9912 P1844D   Row Major 0 / 0 4
9910 P1844F1   Min Cost Permutation (Easy Version) 0 / 0 10
9909 P1844F2   Min Cost Permutation (Hard Version) 0 / 0 10
9904 P1845C   Strong Password 0 / 0 4
9903 P1845D   Rating System 0 / 0 6

Categories

Lucky

Pick a problem randomly based on the current filter.