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Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
Rating Level
12956 Sum on Subarrays constructive algorithms greedy math Statement C Educational Codeforces Round 145 (Rated for Div. 2) {1809} PROGRAMMING 114300
7594 Umka and a Long Flight constructive algorithms implementation math Statement D Codeforces Round 863 (Div. 3) {1811} PROGRAMMING 114788
16919 Super-Permutation constructive algorithms math Statement D Codeforces Round 867 (Div. 3) {1822} PROGRAMMING Codeforces Round #867 (Div. 3) Editorial
23769 Divisible Array constructive algorithms math Statement A Codeforces Round 873 (Div. 2) {1828} PROGRAMMING 500.0 Codeforces Round #873 (Div. 1 & 2) Editorial 800
33346 Grasshopper on a Line constructive algorithms math Statement A Educational Codeforces Round 149 (Rated for Div. 2) {1837} PROGRAMMING 116752
16513 Minimize Permutation Subarrays constructive algorithms greedy math Statement B Codeforces Round 877 (Div. 2) {1838} PROGRAMMING 1000.0 Codeforces Round #877 (Div. 2) Editorial
1899 Great Grids constructive algorithms dfs and similar ds graphs math Statement E Codeforces Round 884 (Div. 1 + Div. 2) {1844} PROGRAMMING 2000.0 Codeforces Round #884 (Div. 1 + Div. 2) Editorial
24649 Subtraction Game constructive algorithms games math Statement A Codeforces Round 884 (Div. 1 + Div. 2) {1844} PROGRAMMING 500.0 Codeforces Round #884 (Div. 1 + Div. 2) Editorial
15817 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
18326 Permutations & Primes constructive algorithms greedy math Statement B Codeforces Round 884 (Div. 1 + Div. 2) {1844} PROGRAMMING 1000.0 Codeforces Round #884 (Div. 1 + Div. 2) Editorial
19625 Rudolph and Christmas Tree constructive algorithms geometry math Statement D Codeforces Round 883 (Div. 3) {1846} PROGRAMMING
16942 Vika and Her Friends constructive algorithms games math Statement A Codeforces Round 885 (Div. 2) {1848} PROGRAMMING 500.0 Codeforces Round #885 (Div.2) Editorial
14270 Dual (Easy Version) constructive algorithms math Statement A1 Codeforces Round 889 (Div. 1) {1854} PROGRAMMING 750.0 Editorial of Codeforces Round 889 (Div. 1 + Div. 2)
7070 Dual (Hard Version) constructive algorithms math Statement A2 Codeforces Round 889 (Div. 1) {1854} PROGRAMMING 750.0 Editorial of Codeforces Round 889 (Div. 1 + Div. 2)
24541 Good Arrays constructive algorithms implementation math Statement B Codeforces Round 890 (Div. 2) supported by Constructor Institute {1856} PROGRAMMING 750.0 Codeforces Round #890 (Div. 2) Editorial
33434 United We Stand constructive algorithms graphs math Statement A Codeforces Round 892 (Div. 2) {1859} PROGRAMMING 500.0 Video solutions from Geothermal.
20389 Increasing and Decreasing constructive algorithms implementation math Statement A Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2) {1864} PROGRAMMING 500.0 Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2) Editorial
3796 Salyg1n and Array (simple version) constructive algorithms interactive math Statement E1 Codeforces Round 897 (Div. 2) {1867} PROGRAMMING 2000.0
3219 Salyg1n and Array (hard version) constructive algorithms interactive math Statement E2 Codeforces Round 897 (Div. 2) {1867} PROGRAMMING 1000.0
19118 MEXanized Array constructive algorithms greedy math Statement A CodeTON Round 6 (Div. 1 + Div. 2, Rated, Prizes!) {1870} PROGRAMMING 500.0 CodeTON Round 6 (Div. 1 + Div. 2, Rated, Prizes!) Editorial
31628 Aleksa and Stack constructive algorithms math Statement B Codeforces Round 900 (Div. 3) {1878} PROGRAMMING Codeforces round #900 (Div.3) Editorial
930 Colorful Constructive constructive algorithms greedy math Statement D Codeforces Round 908 (Div. 1) {1893} PROGRAMMING 2250.0 Codeforces Round 908 (Div. 1, Div, 2) Editorial
12129 Add, Divide and Floor constructive algorithms greedy math Statement C Educational Codeforces Round 158 (Rated for Div. 2) {1901} PROGRAMMING Educational Codeforces Round 158 Editorial
2065 Geo Game constructive algorithms dp games greedy interactive math Statement E Codeforces Round 912 (Div. 2) {1903} PROGRAMMING 2250.0 Codeforces Round #912 (Div. 2) Editorial
946 Evaluate It and Back Again constructive algorithms implementation math Statement E 2023-2024 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1912} PROGRAMMING Tutorials (PDF) 2200
30531 Preparing for the Contest constructive algorithms math Statement B Codeforces Round 916 (Div. 3) {1914} PROGRAMMING Codeforces Round 916 (Div. 3) Editorial
17981 Training Before the Olympiad constructive algorithms games implementation math Statement C Good Bye 2023 {1916} PROGRAMMING 1250.0
25620 Least Product constructive algorithms math Statement A Codeforces Round 917 (Div. 2) {1917} PROGRAMMING 500.0 Editorial of Codeforces Round 917 (Div. 2)
1406 Construct Matrix constructive algorithms math Statement E Codeforces Round 917 (Div. 2) {1917} PROGRAMMING 2500.0 Editorial of Codeforces Round 917 (Div. 2)
30368 Brick Wall constructive algorithms greedy implementation math Statement A Codeforces Round 922 (Div. 2) {1918} PROGRAMMING 500.0 Codeforces Round #922 (Div. 2) Editorial
14177 Klever Permutation constructive algorithms math Statement E Codeforces Round 923 (Div. 3) {1927} PROGRAMMING 125597
22762 Rectangle Cutting constructive algorithms geometry greedy math Statement A Codeforces Round 924 (Div. 2) {1928} PROGRAMMING 500.0 Codeforces Round 924 Editorial
25407 Sasha and the Drawing constructive algorithms greedy math Statement B Codeforces Round 926 (Div. 2) {1929} PROGRAMMING 1000.0 Codeforces Round #926 (Div. 2) Editorial.
6848 Find a Mine constructive algorithms geometry greedy interactive math Statement C Codeforces Round 931 (Div. 2) {1934} PROGRAMMING 1500.0 Tutorial
25518 Too Min Too Max constructive algorithms greedy math Statement A Codeforces Round 931 (Div. 2) {1934} PROGRAMMING 500.0 Tutorial
17277 Farmer John's Challenge constructive algorithms math Statement A CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!) {1942} PROGRAMMING 500.0 CodeTON Round 8 Editorial
14000 Bessie and MEX constructive algorithms math Statement B CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!) {1942} PROGRAMMING 1000.0 CodeTON Round 8 Editorial
327 Make Triangle constructive algorithms math Statement K European Championship 2024 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1949} PROGRAMMING European Championship 2024 (EUC) Editorial
5433 Buying Jewels constructive algorithms greedy math Statement D Codeforces Global Round 25 {1951} PROGRAMMING 1750.0 Codeforces Global Round 25 Editorial
12958 Nene's Magical Matrix constructive algorithms greedy math Statement C Codeforces Round 939 (Div. 2) {1956} PROGRAMMING 1500.0 [Editorial] Codeforces Round 939 (Div. 2)
19971 Two Friends constructive algorithms implementation math Statement A Educational Codeforces Round 165 (Rated for Div. 2) {1969} PROGRAMMING Educational Codeforces Round 165 Editorial 800
14979 Manhattan Permutations constructive algorithms greedy implementation math Statement C Codeforces Round 953 (Div. 2) {1978} PROGRAMMING 1250.0 130527
16114 Corner Twist constructive algorithms greedy implementation math Statement B Codeforces Round 956 (Div. 2) and ByteRace 2024 {1983} PROGRAMMING 1000.0
25655 Array Divisibility constructive algorithms math Statement A Codeforces Round 956 (Div. 2) and ByteRace 2024 {1983} PROGRAMMING 500.0
18301 Large Addition constructive algorithms implementation math Statement B Codeforces Global Round 26 {1984} PROGRAMMING 750.0 Codeforces Global Round 26 Editorial
14563 Absolute Zero constructive algorithms greedy math Statement C Pinely Round 4 (Div. 1 + Div. 2) {1991} PROGRAMMING 1000.0 Video Tutorial
29070 Gorilla and Permutation constructive algorithms math Statement C Codeforces Round 957 (Div. 3) {1992} PROGRAMMING Shayan's Video Tutorial
23883 Find K Distinct Points with Fixed Center constructive algorithms implementation math Statement A Codeforces Round 965 (Div. 2) {1998} PROGRAMMING 500.0
19361 Distanced Coloring constructive algorithms implementation math Statement A EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) {2002} PROGRAMMING 500.0
22835 Battle for Survive constructive algorithms greedy math Statement B Codeforces Round 973 (Div. 2) {2013} PROGRAMMING 750.0
26961 Zhan's Blender constructive algorithms math Statement A Codeforces Round 973 (Div. 2) {2013} PROGRAMMING 500.0
886 Balanced constructive algorithms data structures implementation math Statement E Codeforces Round 983 (Div. 2) {2032} PROGRAMMING 2250.0
15075 Medians constructive algorithms greedy hashing implementation math Statement B Codeforces Round 983 (Div. 2) {2032} PROGRAMMING 750.0
32341 Sakurako and Kosuke constructive algorithms math Statement A Codeforces Round 981 (Div. 3) {2033} PROGRAMMING