Codeforces problemset search & solutions
Exclude tags.

Review the problem statement from Codeforces (link will open a new tab). When you've matched your problem, go to the solutions.

Search on plain tags, ratings, names, and problem text. Example: brute force or binary search

< 1 2 3

Solved
Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
Rating Level
17763 Lex String brute force greedy implementation sortings two pointers Statement A Codeforces Round 798 (Div. 2) {1689} PROGRAMMING 500.0 Editorial for Codeforces Round #798 (Div. 2)
19149 Mystic Permutation data structures greedy implementation Statement B Codeforces Round 798 (Div. 2) {1689} PROGRAMMING 750.0 Editorial for Codeforces Round #798 (Div. 2)
28190 Restoring the Duration of Tasks data structures greedy implementation Statement C Codeforces Round 797 (Div. 3) {1690} PROGRAMMING Codeforces Round #797 (Div. 3) Editorial 800
27010 Array Decrements greedy implementation Statement B Codeforces Round 797 (Div. 3) {1690} PROGRAMMING Codeforces Round #797 (Div. 3) Editorial 800
36704 Shoe Shuffling constructive algorithms greedy implementation two pointers Statement B CodeCraft-22 and Codeforces Round 795 (Div. 2) {1691} PROGRAMMING 750.0 Editorial for CodeCraft-22 and Codeforces Round #795 (Div. 2)
23587 Creep greedy implementation Statement A Codeforces Round 800 (Div. 2) {1694} PROGRAMMING 500.0 Codeforces Round #800 Editorial 800
12611 Fishingprince Plays With Array constructive algorithms greedy implementation Statement C Codeforces Global Round 21 {1696} PROGRAMMING 1500.0 Editorial of Codeforces Global Round 21
15866 awoo's Favorite Problem constructive algorithms data structures dp greedy implementation strings two pointers Statement C Educational Codeforces Round 130 (Rated for Div. 2) {1697} PROGRAMMING 103835
26789 Parkway Walk greedy implementation Statement A Educational Codeforces Round 130 (Rated for Div. 2) {1697} PROGRAMMING 103835
21496 Rising Sand constructive algorithms greedy implementation Statement B Codeforces Round 803 (Div. 2) {1698} PROGRAMMING 500.0 Codeforces Round #803 (Div. 2) Editorial
25595 Mark the Dust Sweeper greedy implementation Statement B Codeforces Round 807 (Div. 2) {1705} PROGRAMMING 1000.0 Codeforces Round #807 (Div 2.) Editorial
16205 Qpwoeirut And The City dp greedy implementation Statement C Codeforces Round 809 (Div. 2) {1706} PROGRAMMING 1250.0 Codeforces Round #809 Editorial
15585 Doremy's IQ binary search greedy implementation Statement A Codeforces Round 808 (Div. 1) {1707} PROGRAMMING 500.0 104930
10420 Recover an RBS greedy implementation strings Statement C Educational Codeforces Round 132 (Rated for Div. 2) {1709} PROGRAMMING 105164
25144 Wonderful Permutation greedy implementation Statement A Codeforces Round 813 (Div. 2) {1712} PROGRAMMING 500.0 Codeforces Round #813 (Div. 2) Editorial
22871 Traveling Salesman Problem geometry greedy implementation Statement A Codeforces Round 812 (Div. 2) {1713} PROGRAMMING 500.0 Codeforces Round #812 (Div. 2) Editorial 800
3713 Build a Tree and That Is It brute force constructive algorithms greedy implementation trees Statement F Codeforces Round 811 (Div. 3) {1714} PROGRAMMING Codeforces Round #811 (Div. 3) Editorial
10537 Monoblock brute force combinatorics data structures divide and conquer greedy implementation Statement C Codeforces Round 816 (Div. 2) {1715} PROGRAMMING 1750.0 Codeforces Round #816 (Div. 2) editorial
3500 Fibonacci Strings brute force data structures greedy implementation math number theory Statement B Codeforces Round 814 (Div. 1) {1718} PROGRAMMING 1250.0 Codeforces Round #814 (Div. 1, Div. 2) Editorial
18289 Corners greedy implementation Statement C Codeforces Round 815 (Div. 2) {1720} PROGRAMMING 1250.0 Codeforces Round #815 (Div. 2) Editorial
25489 Colored Balls: Revisited greedy implementation sortings Statement A Educational Codeforces Round 135 (Rated for Div. 2) {1728} PROGRAMMING 106805
17755 Meeting on the Line binary search greedy implementation math ternary search Statement B Codeforces Round 823 (Div. 2) {1730} PROGRAMMING 1000.0 Codeforces Round #823 — editorial 1600
3114 Sheikh (Hard Version) binary search bitmasks brute force greedy implementation two pointers Statement C2 Codeforces Round 830 (Div. 2) {1732} PROGRAMMING 1000.0 108327 2100
10880 Ela Sorting Books greedy implementation strings Statement A Dytechlab Cup 2022 {1737} PROGRAMMING 500.0 Editorial of Dytechlab Cup 2022
14213 Glory Addicts greedy implementation Statement A Codeforces Global Round 22 {1738} PROGRAMMING 500.0 Editorial of Codeforces Global Round <strong>22</strong>
61923 Increasing greedy implementation sortings Statement B Codeforces Round 827 (Div. 4) {1742} PROGRAMMING 107962
28842 Number Replacement greedy implementation Statement A Codeforces Round 828 (Div. 3) {1744} PROGRAMMING Codeforces Round #828 (Div. 3) Editorial
14150 Permutation Operations constructive algorithms greedy implementation math Statement C Codeforces Global Round 23 {1746} PROGRAMMING 1000.0 Codeforces Global Round 23 Editorial
13184 Zero-Sum Prefixes brute force data structures dp greedy implementation Statement C Codeforces Round 833 (Div. 2) {1748} PROGRAMMING 1500.0 Codeforces Round #833 (Div. 2) Editorial 1600
15830 Number Game games greedy implementation Statement C Educational Codeforces Round 138 (Rated for Div. 2) {1749} PROGRAMMING 108269
53884 Atilla's Favorite Problem greedy implementation strings Statement B Codeforces Round 835 (Div. 4) {1760} PROGRAMMING 109348
14808 Elimination of a Ring constructive algorithms greedy implementation Statement B Pinely Round 1 (Div. 1 + Div. 2) {1761} PROGRAMMING 1000.0 Pinely Round 1 (Div. 1 + Div. 2) Editorial
23990 Notepad# brute force greedy implementation Statement B Educational Codeforces Round 139 (Rated for Div. 2) {1766} PROGRAMMING 110066
15805 Elemental Decompress constructive algorithms greedy implementation sortings Statement C Codeforces Round 842 (Div. 2) {1768} PROGRAMMING 1500.0 Codeforces Round #842 (Div. 2) Editorial
25823 Flip Flop Sum greedy implementation Statement A Codeforces Round 848 (Div. 2) {1778} PROGRAMMING 500.0 Codeforces Round #848 (Div. 2) Editorial
1440 Rectangle Shrinking binary search data structures greedy implementation two pointers Statement E VK Cup 2022 - Отборочный раунд (Engine) {1781} PROGRAMMING 2750.0 Tutorial
10794 Equal Frequencies greedy implementation Statement C VK Cup 2022 - Отборочный раунд (Engine) {1781} PROGRAMMING 1500.0 Tutorial
22530 Sum of Two Numbers constructive algorithms greedy implementation math Statement B Codeforces Round 851 (Div. 2) {1788} PROGRAMMING 1000.0 Codeforces Round #851 (Div. 2) Editorial
1005 Serval and Brain Power brute force dp dp greedy implementation Statement F Codeforces Round 853 (Div. 2) {1789} PROGRAMMING 2750.0 Codeforces Round #853 (Div. 2) Editorial
7203 Moscow Gorillas dp greedy implementation two pointers Statement D Codeforces Round 852 (Div. 2) {1793} PROGRAMMING 1750.0 Codeforces Round #852 Editorial
18943 Three Sevens brute force data structures greedy implementation Statement B Codeforces Round 860 (Div. 2) {1798} PROGRAMMING 750.0 Editorial of Codeforces Round 860 (Div. 2) 1000
21104 Showstopper greedy implementation sortings Statement A Codeforces Round 860 (Div. 2) {1798} PROGRAMMING 500.0 Editorial of Codeforces Round 860 (Div. 2) 800
1414 City Union constructive algorithms dp geometry greedy implementation math Statement E Codeforces Round 854 by cybercats (Div. 1 + Div. 2) {1799} PROGRAMMING 2250.0 Codeforces Round #854 Editorial
6994 Double Lexicographically Minimum constructive algorithms greedy implementation strings Statement C Codeforces Round 854 by cybercats (Div. 1 + Div. 2) {1799} PROGRAMMING 1500.0 Codeforces Round #854 Editorial
12376 Recent Actions data structures greedy implementation math Statement A Codeforces Round 854 by cybercats (Div. 1 + Div. 2) {1799} PROGRAMMING 500.0 Codeforces Round #854 Editorial
16747 Likes greedy implementation Statement A Codeforces Round 857 (Div. 2) {1802} PROGRAMMING 500.0 Codeforces Round #857 Editorial
15713 Vaccination greedy implementation two pointers Statement B Nebius Welcome Round (Div. 1 + Div. 2) {1804} PROGRAMMING 1000.0 Nebius Welcome Round Editorial
22536 Subsequence Addition (Easy Version) brute force dp greedy implementation sortings Statement G1 Codeforces Round 859 (Div. 4) {1807} PROGRAMMING 114143
28856 Subsequence Addition (Hard Version) dp greedy implementation math sortings Statement G2 Codeforces Round 859 (Div. 4) {1807} PROGRAMMING 114143
34588 Find and Replace greedy implementation strings Statement C Codeforces Round 859 (Div. 4) {1807} PROGRAMMING 114143
4382 Unlucky Numbers brute force greedy implementation Statement C Codeforces Round 861 (Div. 2) {1808} PROGRAMMING 1500.0 Codeforces Round #861 (Div. 2) editorial 1900
938 Traveling in Berland binary search data structures graphs greedy implementation Statement F Educational Codeforces Round 145 (Rated for Div. 2) {1809} PROGRAMMING 114300
16098 Ian and Array Sorting greedy implementation math Statement A Codeforces Round 865 (Div. 1) {1815} PROGRAMMING 500.0 Editorial of Codeforces Round #865 1300
14486 Politics greedy implementation Statement A Codeforces Round 869 (Div. 2) {1818} PROGRAMMING 500.0 Codeforces Round #869 (Div.1, Div.2) Editorial
14677 Constructive Problem brute force greedy implementation Statement A Codeforces Round 866 (Div. 1) {1819} PROGRAMMING 750.0 Codeforces Round #866 (Div.1, Div.2, based on Lipetsk Team Olympiad) Editorial
4270 The Butcher greedy implementation sortings two pointers Statement B Codeforces Round 866 (Div. 1) {1819} PROGRAMMING 1250.0 Codeforces Round #866 (Div.1, Div.2, based on Lipetsk Team Olympiad) Editorial
12593 LuoTianyi and the Show greedy implementation Statement A Codeforces Round 872 (Div. 1) {1824} PROGRAMMING 500.0 CodeForces Round 872(Div. 1&2) Editorial 1400
17393 Trust Nobody brute force greedy implementation sortings Statement A Codeforces Round 870 (Div. 2) {1826} PROGRAMMING 500.0 Codeforces Round #870 (Div. 2) Editorial 1200
32758 Mr. Perfectly Fine bitmasks greedy implementation Statement C Codeforces Round 871 (Div. 4) {1829} PROGRAMMING Codeforces Round 871 (Div. 4) Editorial 800
35800 Contrast Value greedy implementation Statement C Educational Codeforces Round 148 (Rated for Div. 2) {1832} PROGRAMMING 116454 1200
3415 Red-Blue Operations (Easy Version) binary search greedy implementation math Statement D1 Educational Codeforces Round 148 (Rated for Div. 2) {1832} PROGRAMMING 116454 2100
2374 Red-Blue Operations (Hard Version) binary search constructive algorithms greedy implementation math Statement D2 Educational Codeforces Round 148 (Rated for Div. 2) {1832} PROGRAMMING 116454 2400
6467 Ksyusha and Chinchilla dfs and similar dp dsu greedy implementation trees Statement G Codeforces Round 874 (Div. 3) {1833} PROGRAMMING 116636
5604 Survey in Class constructive algorithms data structures greedy implementation sortings Statement D Codeforces Round 879 (Div. 2) {1834} PROGRAMMING 1750.0 Codeforces Round #879 Editorial
2680 Editorial for Two binary search data structures greedy implementation Statement F Educational Codeforces Round 149 (Rated for Div. 2) {1837} PROGRAMMING 116752
17980 Particles constructive algorithms greedy implementation math Statement C Codeforces Round 884 (Div. 1 + Div. 2) {1844} PROGRAMMING 1250.0 Codeforces Round #884 (Div. 1 + Div. 2) Editorial
9112 Rating System brute force data structures dp greedy implementation math Statement D Educational Codeforces Round 151 (Rated for Div. 2) {1845} PROGRAMMING 117791
3761 Rudolph and Mimic constructive algorithms greedy implementation interactive Statement F Codeforces Round 883 (Div. 3) {1846} PROGRAMMING
21697 Rudolf and the Another Competition constructive algorithms greedy implementation sortings Statement C Codeforces Round 883 (Div. 3) {1846} PROGRAMMING
22443 Hamon Odyssey bitmasks greedy implementation Statement B Codeforces Round 882 (Div. 2) {1847} PROGRAMMING 1000.0 Tutorial
4285 Professor Higashikata brute force data structures dsu greedy implementation sortings Statement D Codeforces Round 882 (Div. 2) {1847} PROGRAMMING 2000.0 Tutorial
25500 Vika and the Bridge binary search data structures greedy implementation math sortings Statement B Codeforces Round 885 (Div. 2) {1848} PROGRAMMING 1000.0 Codeforces Round #885 (Div.2) Editorial
63159 Balanced Round brute force greedy implementation sortings Statement D Codeforces Round 886 (Div. 4) {1850} PROGRAMMING Codeforces Round #886 (Div. 4) Editorial
10104 The Third Letter dfs and similar graphs greedy implementation Statement H Codeforces Round 886 (Div. 4) {1850} PROGRAMMING Codeforces Round #886 (Div. 4) Editorial
26051 Tiles Comeback greedy implementation Statement C Codeforces Round 888 (Div. 3) {1851} PROGRAMMING 118667
24850 Maximum Rounding greedy implementation math Statement B Codeforces Round 891 (Div. 3) {1857} PROGRAMMING 119134
13120 The Walkway brute force greedy implementation math number theory Statement B Codeforces Round 893 (Div. 2) {1858} PROGRAMMING 1250.0 Codeforces Round #893 (Div. 2) Editorial 1500
36486 Gift Carpet greedy implementation strings Statement A Codeforces Round 894 (Div. 3) {1862} PROGRAMMING Tutorial
18916 Channel greedy implementation Statement A Pinely Round 2 (Div. 1 + Div. 2) {1863} PROGRAMMING 500.0
6917 Cyclic Operations constructive algorithms dfs and similar graphs greedy implementation Statement D Codeforces Round 897 (Div. 2) {1867} PROGRAMMING 2000.0
2781 Candy Party (Hard Version) bitmasks constructive algorithms dp graphs greedy implementation math Statement B2 Codeforces Round 896 (Div. 1) {1868} PROGRAMMING 750.0 Codeforces Round 896 (Div. 1, Div. 2) Editorial
8384 Candy Party (Easy Version) bitmasks constructive algorithms graphs greedy implementation math Statement B1 Codeforces Round 896 (Div. 1) {1868} PROGRAMMING 500.0 Codeforces Round 896 (Div. 1, Div. 2) Editorial
99 LIS? data structures greedy implementation Statement F Codeforces Round 896 (Div. 1) {1868} PROGRAMMING 3000.0 Codeforces Round 896 (Div. 1, Div. 2) Editorial
43611 1D Eraser greedy implementation Statement D Codeforces Round 898 (Div. 4) {1873} PROGRAMMING 120634
19533 Jellyfish and Game brute force greedy implementation Statement A Codeforces Round 901 (Div. 1) {1874} PROGRAMMING 500.0 Codeforces Round 901 (Div. 1, Div. 2) Editorial
3238 Freedom of Choice brute force greedy implementation Statement C Codeforces Round 908 (Div. 1) {1893} PROGRAMMING 1250.0 Codeforces Round 908 (Div. 1, Div, 2) Editorial
18420 Queue Sort greedy implementation sortings Statement E Codeforces Round 909 (Div. 3) {1899} PROGRAMMING Разбор Codeforces Round 909 (Div. 3)
8684 Yet Another Monster Fight binary search greedy implementation math Statement D Educational Codeforces Round 158 (Rated for Div. 2) {1901} PROGRAMMING Educational Codeforces Round 158 Editorial
5798 Set To Max (Hard Version) binary search constructive algorithms data structures dsu greedy implementation sortings two pointers Statement D2 Codeforces Round 914 (Div. 2) {1904} PROGRAMMING 750.0 Codeforces Round 914 (Div. 2) Editorial
2361 Lights constructive algorithms dfs and similar graphs greedy implementation Statement G Codeforces Round 913 (Div. 3) {1907} PROGRAMMING Codeforces Round 913 (Div. 3) Editorial
10027 Bicycles dp graphs greedy implementation shortest paths sortings Statement G Codeforces Round 918 (Div. 4) {1915} PROGRAMMING 123952
35368 Unnatural Language Processing dp greedy implementation strings Statement D Codeforces Round 918 (Div. 4) {1915} PROGRAMMING 123952
12500 Watering an Array brute force greedy implementation math Statement C Codeforces Round 917 (Div. 2) {1917} PROGRAMMING 1500.0 Editorial of Codeforces Round 917 (Div. 2)
6321 Blocking Elements binary search data structures dp greedy implementation two pointers Statement D Codeforces Round 922 (Div. 2) {1918} PROGRAMMING 2000.0 Codeforces Round #922 (Div. 2) Editorial
1124 Caterpillar on a Tree binary search dfs and similar graphs greedy implementation trees Statement F Codeforces Round 922 (Div. 2) {1918} PROGRAMMING 3000.0 Codeforces Round #922 (Div. 2) Editorial
16983 XOR-distance bitmasks dp greedy implementation math Statement C Codeforces Round 922 (Div. 2) {1918} PROGRAMMING 1250.0 Codeforces Round #922 (Div. 2) Editorial
27256 Minimize Inversions constructive algorithms data structures greedy implementation sortings Statement B Codeforces Round 922 (Div. 2) {1918} PROGRAMMING 1000.0 Codeforces Round #922 (Div. 2) Editorial
32469 Brick Wall constructive algorithms greedy implementation math Statement A Codeforces Round 922 (Div. 2) {1918} PROGRAMMING 500.0 Codeforces Round #922 (Div. 2) Editorial
4604 01 Tree data structures divide and conquer greedy implementation sortings trees Statement D Hello 2024 {1919} PROGRAMMING 1500.0 2100
36712 Arranging Cats greedy implementation Statement B Codeforces Round 920 (Div. 3) {1921} PROGRAMMING Editorial for Codeforces Round 920 (Div. 3)
6840 Berserk Monsters data structures dfs and similar greedy implementation Statement D Educational Codeforces Round 161 (Rated for Div. 2) {1922} PROGRAMMING Educational Codeforces Round 161 Editorial
20015 Monsters Attack! dp greedy implementation Statement B Educational Codeforces Round 162 (Rated for Div. 2) {1923} PROGRAMMING Educational Codeforces Round 162 Editorial
26434 Moving Chips greedy implementation Statement A Educational Codeforces Round 162 (Rated for Div. 2) {1923} PROGRAMMING Educational Codeforces Round 162 Editorial
4608 Vlad and Trouble at MIT dfs and similar dp flows graphs greedy implementation trees Statement G Codeforces Round 928 (Div. 4) {1926} PROGRAMMING 126132
2135 Modular Sequence constructive algorithms dp greedy implementation math number theory Statement E Codeforces Round 924 (Div. 2) {1928} PROGRAMMING 2250.0 Codeforces Round 924 Editorial
34160 Thorns and Coins dp greedy implementation Statement A Codeforces Round 927 (Div. 3) {1932} PROGRAMMING 126196
13534 Card Game greedy implementation Statement D Codeforces Round 927 (Div. 3) {1932} PROGRAMMING 126196
1668 Distance Learning Courses in MAC binary search bitmasks data structures greedy implementation math Statement E Codeforces Round 932 (Div. 2) {1935} PROGRAMMING 2500.0 Codeforces Round #932 (Div. 2) Editorial
612 Andrey's Tree binary search constructive algorithms dsu greedy implementation trees Statement F Codeforces Round 932 (Div. 2) {1935} PROGRAMMING 3000.0 Codeforces Round #932 (Div. 2) Editorial
17448 Binary Path greedy implementation Statement B Codeforces Round 930 (Div. 2) {1937} PROGRAMMING 1000.0 Codeforces Round 930 (Div. 1, Div. 2) Editorial
13931 Tree Cutting binary search dp greedy implementation trees Statement C Codeforces Round 936 (Div. 2) {1946} PROGRAMMING 1500.0 Codeforces Round #936 (Div. 2) Editorial
5653 Birthday Gift bitmasks brute force constructive algorithms greedy implementation Statement D Codeforces Round 936 (Div. 2) {1946} PROGRAMMING 1750.0 Codeforces Round #936 (Div. 2) Editorial
28767 Median of an Array greedy implementation Statement A Codeforces Round 936 (Div. 2) {1946} PROGRAMMING 500.0 Codeforces Round #936 (Div. 2) Editorial
26439 Array Fix brute force dp greedy implementation Statement B Educational Codeforces Round 163 (Rated for Div. 2) {1948} PROGRAMMING Educational Codeforces Round 163 Editorial
4511 No Palindromes brute force constructive algorithms greedy hashing implementation strings Statement E Codeforces Global Round 25 {1951} PROGRAMMING 2250.0 Codeforces Global Round 25 Editorial
3005 Chain Reaction data structures dsu greedy implementation math number theory Statement E Educational Codeforces Round 164 (Rated for Div. 2) {1954} PROGRAMMING Educational Codeforces Round 164 Editorial
10649 Long Inversions brute force greedy implementation sortings Statement E Codeforces Round 938 (Div. 3) {1955} PROGRAMMING 128243
24697 Inhabitant of the Deep Sea greedy implementation math Statement C Codeforces Round 938 (Div. 3) {1955} PROGRAMMING 128243
4827 Nene and the Mex Operator bitmasks brute force constructive algorithms divide and conquer dp greedy implementation Statement D Codeforces Round 939 (Div. 2) {1956} PROGRAMMING 1750.0 [Editorial] Codeforces Round 939 (Div. 2)
20639 A BIT of a Construction bitmasks constructive algorithms greedy implementation Statement B Codeforces Round 940 (Div. 2) and CodeCraft-23 {1957} PROGRAMMING 1000.0 Codeforces Round #940 and CodeCraft-23 (Div. 2) Editorial 1100
15121 Permutation Counting binary search greedy implementation math sortings Statement A Codeforces Round 942 (Div. 1) {1967} PROGRAMMING 750.0 Tutorial 1400
410 Card Pairing dp greedy hashing implementation Statement F Educational Codeforces Round 165 (Rated for Div. 2) {1969} PROGRAMMING Educational Codeforces Round 165 Editorial 3000
30843 Binary Cut dp greedy implementation sortings strings Statement D Codeforces Round 944 (Div. 4) {1971} PROGRAMMING Codeforces Round 944 (Div. 4) Editorial 1100
9924 Cat, Fox and Double Maximum constructive algorithms greedy implementation math sortings Statement C Codeforces Round 945 (Div. 2) {1973} PROGRAMMING 1500.0 Editorial for Codeforces Round #945 (Div. 2) 1700
17947 Ingenuity-2 constructive algorithms greedy implementation Statement D Codeforces Round 946 (Div. 3) {1974} PROGRAMMING Codeforces Round #946 (Div. 3) Editorial 1400
20811 Bazoka and Mocha's Array brute force greedy implementation sortings Statement A Codeforces Round 947 (Div. 1 + Div. 2) {1975} PROGRAMMING 250.0 editorial_zh.pdf 800
12562 Job Interview binary search dp greedy implementation two pointers Statement C Educational Codeforces Round 166 (Rated for Div. 2) {1976} PROGRAMMING Educational Codeforces Round 166 Editorial
25232 Increase/Decrease/Copy greedy implementation Statement B Educational Codeforces Round 166 (Rated for Div. 2) {1976} PROGRAMMING Educational Codeforces Round 166 Editorial
17938 Manhattan Permutations constructive algorithms greedy implementation math Statement C Codeforces Round 953 (Div. 2) {1978} PROGRAMMING 1250.0 130527
4645 Computing Machine data structures dp greedy implementation Statement E Codeforces Round 953 (Div. 2) {1978} PROGRAMMING 2000.0 130527
13776 Elections data structures greedy implementation math Statement D Codeforces Round 953 (Div. 2) {1978} PROGRAMMING 1500.0 130527
31931 Guess the Maximum brute force greedy implementation Statement A Codeforces Round 951 (Div. 2) {1979} PROGRAMMING 500.0 Codeforces Round 951 (Div. 2) Editorial
17550 GCD-sequence greedy implementation math math number theory number theory Statement D Codeforces Round 950 (Div. 3) {1980} PROGRAMMING 130135
6407 Turtle and an Incomplete Sequence bitmasks constructive algorithms greedy implementation math Statement C Codeforces Round 949 (Div. 2) {1981} PROGRAMMING 1500.0 Simplified Chinese Tutorial
27600 Soccer greedy implementation math sortings Statement A Codeforces Round 955 (Div. 2, with prizes from NEAR!) {1982} PROGRAMMING 500.0 130839
14835 Have Your Cake and Eat It Too binary search brute force dp greedy implementation Statement C Codeforces Round 956 (Div. 2) and ByteRace 2024 {1983} PROGRAMMING 1250.0
18531 Corner Twist constructive algorithms greedy implementation math Statement B Codeforces Round 956 (Div. 2) and ByteRace 2024 {1983} PROGRAMMING 1000.0
40625 Good Prefixes greedy implementation Statement C Codeforces Round 952 (Div. 4) {1985} PROGRAMMING Codeforces Round 952 (Div. 4) Editorial
24515 Maximize the Last Element greedy implementation Statement A Pinely Round 4 (Div. 1 + Div. 2) {1991} PROGRAMMING 250.0 Video Tutorial
24273 Test of Love dp greedy implementation Statement D Codeforces Round 957 (Div. 3) {1992} PROGRAMMING Shayan's Video Tutorial
33311 Question Marks greedy implementation Statement A Codeforces Round 963 (Div. 2) {1993} PROGRAMMING 500.0 Editorial of Codeforces Round 963 (Div. 2)
10386 Squaring brute force constructive algorithms data structures greedy implementation math number theory Statement C Codeforces Round 961 (Div. 2) {1995} PROGRAMMING 1750.0 Video Tutorial
26514 Diagonals brute force greedy implementation math Statement A Codeforces Round 961 (Div. 2) {1995} PROGRAMMING 500.0 Video Tutorial
32951 Slavic's Exam greedy implementation strings Statement D Codeforces Round 964 (Div. 4) {1999} PROGRAMMING Video Tutorial
7029 Color Rows and Columns dp greedy implementation math Statement F Codeforces Round 966 (Div. 3) {2000} PROGRAMMING 132689
29308 Right Left Wrong greedy implementation two pointers Statement D Codeforces Round 966 (Div. 3) {2000} PROGRAMMING 132689
26182 Generate Permutation constructive algorithms greedy implementation Statement B Codeforces Round 967 (Div. 2) {2001} PROGRAMMING 1000.0 Video Tutorial
33020 Make All Equal greedy implementation Statement A Codeforces Round 967 (Div. 2) {2001} PROGRAMMING 500.0 Video Tutorial
2948 Cosmic Rays data structures dfs and similar greedy implementation trees Statement E EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) {2002} PROGRAMMING 2000.0 EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) Editorial
4694 Turtle and a MEX Problem (Hard Version) dfs and similar dp graphs greedy implementation Statement D2 Codeforces Round 968 (Div. 2) {2003} PROGRAMMING 1250.0 sol-zh.pdf
3350 Subtangle Game (Easy Version) dp games greedy implementation Statement E1 Codeforces Round 972 (Div. 2) {2005} PROGRAMMING 1500.0 Discussion stream (With Hints)
1077 Subtangle Game (Hard Version) dp games greedy implementation Statement E2 Codeforces Round 972 (Div. 2) {2005} PROGRAMMING 2000.0 Discussion stream (With Hints)
7582 Minimize the Difference binary search data structures greedy implementation math Statement D Codeforces Round 973 (Div. 2) {2013} PROGRAMMING 2000.0 134298
5278 Speedbreaker binary search dp greedy implementation math two pointers Statement B Codeforces Round 975 (Div. 1) {2018} PROGRAMMING 750.0 Editorial of Codeforces Round 975 (Div. 1, Div. 2)
12773 Cards Partition brute force greedy implementation math Statement A Codeforces Round 975 (Div. 1) {2018} PROGRAMMING 500.0 Editorial of Codeforces Round 975 (Div. 1, Div. 2)
338 Speedbreaker Counting (Easy Version) combinatorics dp games greedy implementation math Statement F1 Codeforces Round 975 (Div. 1) {2018} PROGRAMMING 1500.0 Editorial of Codeforces Round 975 (Div. 1, Div. 2)
2212 Max Plus Min Plus Size data structures dp dsu greedy implementation matrices Statement D Codeforces Round 975 (Div. 1) {2018} PROGRAMMING 1500.0 Editorial of Codeforces Round 975 (Div. 1, Div. 2)
1945 Digital Village (Easy Version) brute force data structures dp dsu graphs greedy implementation math shortest paths trees Statement E1 Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round) {2021} PROGRAMMING 1750.0 Codeforces Round #977 (Div. 2, based on COMPFEST 16 — Final Round) Editorial
4567 Adjust The Presentation (Hard Version) constructive algorithms data structures greedy implementation Statement C2 Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round) {2021} PROGRAMMING 1000.0 Codeforces Round #977 (Div. 2, based on COMPFEST 16 — Final Round) Editorial
17366 Bus to Pénjamo greedy implementation math Statement A Codeforces Round 978 (Div. 2) {2022} PROGRAMMING 750.0 Codeforces Round 978 (Div 2) Editorial
19279 New Game binary search brute force greedy implementation two pointers Statement C Educational Codeforces Round 170 (Rated for Div. 2) {2025} PROGRAMMING Educational Codeforces Round 170 Editorial
1924 The Endspeaker (Hard Version) binary search combinatorics data structures dp greedy implementation two pointers Statement D2 Codeforces Round 982 (Div. 2) {2027} PROGRAMMING 1000.0 Codeforces Round #982 (Div. 2) Editorial
7077 The Endspeaker (Easy Version) binary search dp graphs greedy implementation two pointers Statement D1 Codeforces Round 982 (Div. 2) {2027} PROGRAMMING 1250.0 Codeforces Round #982 (Div. 2) Editorial
3794 Alice's Adventures in Cards constructive algorithms data structures dfs and similar dp graphs greedy implementation shortest paths Statement D Codeforces Round 986 (Div. 2) {2028} PROGRAMMING 1750.0 Codeforces Round 986 (Div. 2) Editorial
20926 Medians constructive algorithms greedy hashing implementation math Statement B Codeforces Round 983 (Div. 2) {2032} PROGRAMMING 750.0 Codeforces Round 983 (Div. 2) Editorial
24835 Circuit greedy implementation math number theory Statement A Codeforces Round 983 (Div. 2) {2032} PROGRAMMING 500.0 Codeforces Round 983 (Div. 2) Editorial
2038 Permutations Harmony brute force combinatorics constructive algorithms greedy hashing implementation math Statement E Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2) {2034} PROGRAMMING 2000.0 Rayan 2024 Selection Round Editorial
6713 Darius' Wisdom constructive algorithms greedy implementation sortings Statement D Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2) {2034} PROGRAMMING 1500.0 Rayan 2024 Selection Round Editorial
15975 Rakhsh's Revival data structures greedy implementation two pointers Statement B Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2) {2034} PROGRAMMING 750.0 Rayan 2024 Selection Round Editorial
79 Simurgh's Watch (Easy Version) greedy implementation Statement G1 Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2) {2034} PROGRAMMING 3000.0 Rayan 2024 Selection Round Editorial
83 Simurgh's Watch (Hard Version) greedy implementation Statement G2 Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2) {2034} PROGRAMMING 3000.0 Rayan 2024 Selection Round Editorial
5877 Yet Another Real Number Problem binary search brute force data structures dp greedy implementation math two pointers Statement D Codeforces Global Round 27 {2035} PROGRAMMING 1500.0 Codeforces Global Round 27 Editorial
8846 Waiting for... greedy implementation Statement J 2024-2025 ICPC, NERC, Southern and Volga Russian Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2038} PROGRAMMING 800
17501 Shohag Loves Strings constructive algorithms greedy implementation strings Statement B CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!) {2039} PROGRAMMING 1000.0 Editorial of CodeTON Round 9 (Div. 1 + Div. 2)
18336 Insane Problem binary search greedy implementation math Statement E Codeforces Round 993 (Div. 4) {2044} PROGRAMMING Codeforces Round 993 (Div. 4) Editorial
13817 MEX Cycle constructive algorithms greedy implementation Statement C Codeforces Round 994 (Div. 2) {2049} PROGRAMMING 1000.0 Codeforces Round #994 (Div. 2) Editorial
24231 MEX Destruction greedy implementation Statement A Codeforces Round 994 (Div. 2) {2049} PROGRAMMING 500.0 Codeforces Round #994 (Div. 2) Editorial
7770 Refined Product Optimality binary search data structures greedy implementation math schedules sortings Statement D Good Bye 2024: 2025 is NEAR {2053} PROGRAMMING 1750.0 Good Bye 2024: 2025 is NEAR Editorial
956 Earnest Matrix Complement data structures dp greedy implementation Statement F Good Bye 2024: 2025 is NEAR {2053} PROGRAMMING 2500.0 Good Bye 2024: 2025 is NEAR Editorial
2291 Kevin and Binary String (Easy Version) binary search brute force data structures dp greedy implementation strings two pointers Statement F1 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} PROGRAMMING 2000.0 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial
14863 Kevin and Geometry brute force constructive algorithms data structures geometry greedy implementation math two pointers Statement B IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} PROGRAMMING 1000.0 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial
10968 Kevin and Numbers brute force data structures greedy implementation math Statement D IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} PROGRAMMING 1500.0 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial
5538 White Magic constructive algorithms greedy implementation Statement B Codeforces Round 1004 (Div. 1) {2066} PROGRAMMING 750.0 139415
425 Tropical Season data structures greedy implementation Statement E Codeforces Round 1004 (Div. 1) {2066} PROGRAMMING 2000.0 139415
17866 For Wizards, the Exam Is Easy, but I Couldn't Handle It brute force greedy implementation Statement D Codeforces Round 1006 (Div. 3) {2072} PROGRAMMING Codeforces Round 1006 (Div. 3) Editorial
40937 New World, New Me, New Array greedy greedy implementation math Statement A Codeforces Round 1006 (Div. 3) {2072} PROGRAMMING Codeforces Round 1006 (Div. 3) Editorial
18512 Vicious Labyrinth constructive algorithms graphs greedy implementation math Statement B Codeforces Round 1008 (Div. 2) {2078} PROGRAMMING 750.0 Codeforces Round 1008 (Div. 1, Div. 2) Editorial
11903 You Soared Afar With Grace constructive algorithms greedy implementation Statement C Teza Round 1 (Codeforces Round 1015, Div. 1 + Div. 2) {2084} PROGRAMMING 1500.0 141155
16348 Disappearing Permutation dfs and similar dsu graphs greedy implementation Statement C Educational Codeforces Round 177 (Rated for Div. 2) {2086} PROGRAMMING Educational Codeforces Round 177 Editorial
6442 Dining Hall greedy implementation sortings sortings Statement C Codeforces Round 1012 (Div. 2) {2090} PROGRAMMING 1750.0 Codeforces Round 1012 (Div.1, Div. 2, based on THUPC 2025 — Finals) Editorial
6955 Mishkin Energizer brute force constructive algorithms greedy implementation strings Statement D Codeforces Round 1014 (Div. 2) {2092} PROGRAMMING 1750.0 Codeforces Round #1014 (Div. 2) Editorial
28528 Kamilka and the Sheep greedy implementation math sortings Statement A Codeforces Round 1014 (Div. 2) {2092} PROGRAMMING 500.0 Codeforces Round #1014 (Div. 2) Editorial
2079 Wonderful Teddy Bears greedy implementation sortings Statement E Neowise Labs Contest 1 (Codeforces Round 1018, Div. 1 + Div. 2) {2096} PROGRAMMING 2000.0 Neowise Labs Contest 1 (Codeforces Round 1018, Div. 1 + Div. 2) Editorial
3595 Apple Tree Traversing brute force dfs and similar greedy implementation trees Statement D Codeforces Round 1023 (Div. 2) {2107} PROGRAMMING 2000.0 Codeforces Round 1023 (Div 2) Editorial
14748 SUMdamental Decomposition bitmasks constructive algorithms greedy implementation math Statement B Codeforces Round 1022 (Div. 2) {2108} PROGRAMMING 1250.0 Codeforces Round 1022 Editorial
14999 Neo's Escape data structures dsu graphs greedy implementation Statement C Codeforces Round 1022 (Div. 2) {2108} PROGRAMMING 1500.0 Codeforces Round 1022 Editorial
5466 Changing the String binary search data structures greedy implementation sortings strings Statement E Educational Codeforces Round 179 (Rated for Div. 2) {2111} PROGRAMMING Educational Codeforces Round 179 Editorial
20853 Energy Crystals greedy implementation math Statement A Educational Codeforces Round 179 (Rated for Div. 2) {2111} PROGRAMMING Educational Codeforces Round 179 Editorial
14869 Come a Little Closer brute force greedy implementation math Statement D Codeforces Round 1027 (Div. 3) {2114} PROGRAMMING 143268
38485 False Alarm greedy implementation Statement A Codeforces Round 1029 (Div. 3) {2117} PROGRAMMING Codeforces Round 1029 (Div. 3) Editorial
726 And Constraint bitmasks dp greedy implementation Statement E Codeforces Round 1035 (Div. 2) {2119} PROGRAMMING 2500.0 Codeforces Round 1035 (Div. 2) Editorial
22106 Those Who Are With Us greedy greedy implementation Statement C Codeforces Round 1032 (Div. 3) {2121} PROGRAMMING Codeforces Round 1032 (Div. 3) Editorial
23413 Maximum Even Sum brute force greedy implementation math Statement C Codeforces Round 1047 (Div. 3) {2137} PROGRAMMING Codeforces Round 1047 (Div. 3) Editorial
22170 Deck of Cards greedy implementation Statement B Educational Codeforces Round 183 (Rated for Div. 2) {2145} PROGRAMMING Educational Codeforces Round 183 Editorial
22287 Equal Occurrences brute force greedy implementation Statement A Codeforces Round 1052 (Div. 2) {2146} PROGRAMMING 500.0 Codeforces Round 1052 (Div. 2) Editorial
16421 Merging the Sets greedy implementation Statement B Codeforces Round 1052 (Div. 2) {2146} PROGRAMMING 1000.0 Codeforces Round 1052 (Div. 2) Editorial
10459 Rabbits 2-sat dp graphs greedy implementation Statement C Codeforces Global Round 29 (Div. 1 + Div. 2) {2147} PROGRAMMING 1500.0
6748 Gravity Falls greedy implementation sortings Statement F Codeforces Round 1050 (Div. 4) {2148} PROGRAMMING Codeforces Round 1050 (Div. 4) Editorial
10772 Incremental Stay greedy implementation Statement C Codeforces Round 1053 (Div. 2) {2151} PROGRAMMING 1250.0 Editorial of Codeforces Round 1053 (Div. 1, Div. 2)
13937 No Cost Too Great (Easy Version) greedy implementation math number theory Statement C1 Codeforces Round 1060 (Div. 2) {2154} PROGRAMMING 1250.0 Codeforces Round 1060 (Div. 2) Editorial
21259 Strange Machine binary search brute force greedy implementation Statement B Codeforces Round 1061 (Div. 2) {2156} PROGRAMMING 750.0 Codeforces Round 1061 (Div. 2) Editorial
1647 Strange Operation (Easy Version) brute force data structures greedy implementation Statement F1 Codeforces Round 1061 (Div. 2) {2156} PROGRAMMING 3250.0 Codeforces Round 1061 (Div. 2) Editorial
3886 Adjusting Drones binary search data structures dsu greedy implementation sortings Statement E Codeforces Round 1066 (Div. 1 + Div. 2) {2157} PROGRAMMING 2000.0 Codeforces Round 1066 (Div. 1 + Div. 2) Editorial
17141 Dungeon Equilibrium greedy implementation sortings Statement A Codeforces Round 1066 (Div. 1 + Div. 2) {2157} PROGRAMMING 500.0 Codeforces Round 1066 (Div. 1 + Div. 2) Editorial
2822 Locked Out binary search data structures dp graphs greedy implementation two pointers Statement D Pinely Round 5 (Div. 1 + Div. 2) {2161} PROGRAMMING 2250.0
15915 Round Trip games greedy implementation math Statement A Pinely Round 5 (Div. 1 + Div. 2) {2161} PROGRAMMING 500.0
5386 Copy String binary search greedy implementation strings Statement D Codeforces Global Round 30 (Div. 1 + Div. 2) {2164} PROGRAMMING 1750.0 Codeforces Global Round 30 Editorial
36659 Isamatdin and His Magic Wand! constructive algorithms greedy implementation sortings Statement C Codeforces Round 1062 (Div. 4) {2167} PROGRAMMING Arpa Video Tutorial
2340 Removal of a Sequence (Hard Version) binary search constructive algorithms divide and conquer greedy implementation math number theory probabilities Statement D2 Educational Codeforces Round 184 (Rated for Div. 2) {2169} PROGRAMMING Educational Codeforces Round 184 Editorial
1725 Almost Roman constructive algorithms greedy implementation Statement D Educational Codeforces Round 185 (Rated for Div. 2) {2170} PROGRAMMING Educational Codeforces Round 185 Editorial
12043 Rae Taylor and Trees (easy version) binary search data structures dp dsu greedy implementation trees Statement D Codeforces Round 1065 (Div. 3) {2171} PROGRAMMING Codeforces Round 1065 (Div. 3) Editorial
1314 Remove at the lowest cost data structures dfs and similar greedy implementation trees Statement E Codeforces Round 1070 (Div. 2) {2176} PROGRAMMING 2500.0 Codeforces Round 1070 (Div.2) Editorial
29572 Operations with Inversions data structures greedy implementation Statement A Codeforces Round 1070 (Div. 2) {2176} PROGRAMMING 500.0 Codeforces Round 1070 (Div.2) Editorial
6880 Xmas or Hysteria constructive algorithms graphs greedy implementation Statement D Good Bye 2025 {2178} PROGRAMMING 1750.0
16198 First or Second dp greedy implementation Statement C Good Bye 2025 {2178} PROGRAMMING 1250.0
22059 Impost or Sus greedy implementation strings Statement B Good Bye 2025 {2178} PROGRAMMING 750.0
28895 Blackslex and Showering greedy implementation Statement B Codeforces Round 1071 (Div. 3) {2179} PROGRAMMING Codeforces Round 1071 (Div. 3) Editorial
5735 New Year's Gifts data structures greedy implementation sortings two pointers Statement E Educational Codeforces Round 186 (Rated for Div. 2) {2182} PROGRAMMING Educational Codeforces Round 186 Editorial
25860 New Year String greedy implementation strings Statement A Educational Codeforces Round 186 (Rated for Div. 2) {2182} PROGRAMMING Educational Codeforces Round 186 Editorial
2544 Tree Coloring (Hard Version) constructive algorithms data structures dfs and similar greedy implementation trees Statement D2 Hello 2026 {2183} PROGRAMMING 2000.0
24838 Table with Numbers greedy implementation Statement A Codeforces Round 1075 (Div. 2) {2189} PROGRAMMING 500.0 Codeforces Round 1075 (Div. 2) Editorial
19465 Offshores greedy implementation math Statement B Codeforces Round 1078 (Div. 2) {2194} PROGRAMMING 1000.0 Codeforces Round #1078 Editorial
3111 Mooclear Reactor 2 data structures greedy implementation sortings Statement F Codeforces Round 1084 (Div. 3) {2200} PROGRAMMING Codeforces Round 1084 (Div. 3) Editorial
836 Binary Not Search and Queries data structures greedy implementation Statement D Codeforces Round 1082 (Div. 1) {2201} PROGRAMMING 2250.0 Codeforces Round 1082 (Div. 1, Div. 2) Complete Editorial
12019 ABAB Construction greedy implementation Statement B Codeforces Round 1082 (Div. 2) {2202} PROGRAMMING 1250.0 Codeforces Round 1082 (Div. 1, Div. 2) Complete Editorial
5355 Simons and Beating Peaks data structures divide and conquer dp greedy implementation trees Statement D Codeforces Round 1083 (Div. 2) {2205} PROGRAMMING 1750.0 Tutorial
14638 Cyclists games greedy implementation sortings Statement B Codeforces Round 1086 (Div. 2) {2208} PROGRAMMING 1000.0 Tutorial
447 Dynamic Values And Maximum Sum data structures greedy implementation trees Statement F Codeforces Round 1087 (Div. 2) {2209} PROGRAMMING 3000.0 Codeforces Round 1087 (Div. 2) Editorial
145 EXPloration, EXPloitation, and Gain Some EXPerience! bitmasks brute force dp greedy implementation Statement D Codeforces Round 1092 (Unrated, Div. 1, Based on THUPC 2026 — Finals) {2215} PROGRAMMING 2750.0 152930
17946 Flip the Bit (Easy Version) greedy implementation Statement B Codeforces Round 1091 (Div. 2) and CodeCraft 26 {2217} PROGRAMMING 1000.0 Tutorial
3683 Flip the Bit (Hard Version) greedy implementation math Statement D Codeforces Round 1091 (Div. 2) and CodeCraft 26 {2217} PROGRAMMING 1500.0 Tutorial
12822 Palindromex binary search brute force constructive algorithms data structures greedy implementation two pointers Statement D Codeforces Round 1096 (Div. 3) {2227} PROGRAMMING Codeforces Round 1096 (Div. 3) — Editorial
20578 Marisa Steals Reimu's Takeout greedy implementation Statement A Codeforces Round 1098 (Div. 2) {2228} PROGRAMMING 500.0 Codeforces Round 1098 (Div. 2) Editorial
5680 Cirno and Number (Hard Version) greedy implementation Statement C2 Codeforces Round 1098 (Div. 2) {2228} PROGRAMMING 1000.0 Codeforces Round 1098 (Div. 2) Editorial
1011 Load Unbalancing binary search bitmasks dp greedy implementation Statement F Spectral::Cup 2026 Round 2 (Codeforces Round 1100, Div. 1 + Div. 2) {2229} PROGRAMMING 2500.0 Spectral::Cup 2026 Round 2 (Codeforces Round 1100, Div. 1 + Div. 2) Editorial
1339 Minimum Influence binary search data structures geometry greedy implementation math sortings two pointers Statement E Educational Codeforces Round 190 (Rated for Div. 2) {2230} PROGRAMMING Educational Codeforces Round 190 — Editorial
15838 Digit String greedy implementation math Statement B Educational Codeforces Round 190 (Rated for Div. 2) {2230} PROGRAMMING Educational Codeforces Round 190 — Editorial
3430 Maximum Prefix Sums constructive algorithms greedy implementation two pointers Statement D Codeforces Round 1099 (Div. 2) {2231} PROGRAMMING 2000.0
2019 Vessels, Heights and Two Versions (Hard Version) data structures dfs and similar dsu greedy implementation trees Statement F Codeforces Round 1102 (Div. 2) {2234} PROGRAMMING 1750.0
11044 Vessels, Heights and Two Versions (Easy Version) dfs and similar dsu greedy implementation two pointers Statement C Codeforces Round 1102 (Div. 2) {2234} PROGRAMMING 1250.0