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2079 Big Maximum Sum data structures dp greedy implementation math trees Statement D Codeforces Beta Round 67 (Div. 2) {75} PROGRAMMING Codeforces Beta Round #67 (Div. 2) Editorial 2100
4451 Multithreading data structures greedy implementation Statement B Codeforces Round 165 (Div. 2) {270} PROGRAMMING Разбор Codeforces Round #165 1400
40148 Little Girl and Maximum Sum data structures greedy implementation sortings Statement C Codeforces Round 169 (Div. 2) {276} PROGRAMMING Codeforces Round #169 — Unofficial Editorial 1600
18133 Alternating Current data structures greedy implementation Statement B Codeforces Round 200 (Div. 1) {343} PROGRAMMING Codeforces Round #200 Tutorial 1600
15159 Color the Fence data structures dp greedy implementation Statement B Codeforces Round 202 (Div. 2) {349} PROGRAMMING Editorial for Codeforces Round #202 1700
5090 Clique Problem data structures dp greedy implementation sortings Statement D Codeforces Round 296 (Div. 2) {527} PROGRAMMING Codeforces Round #296 Editorial 2100
9027 Order Book data structures greedy implementation sortings Statement B Codeforces Round 317 [AimFund Thanks-Round] (Div. 2) {572} PROGRAMMING Codeforces Round #317 [AimFund Thanks-Round] Editorial 1400
6834 Alyona and Spreadsheet binary search data structures dp greedy implementation two pointers Statement C Codeforces Round 401 (Div. 2) {777} PROGRAMMING Problem analysis of Codeforces Round #401 (Div. 2) 1600
3336 Credit Card data structures dp greedy implementation Statement D Educational Codeforces Round 33 (Rated for Div. 2) {893} PROGRAMMING 55989 1800
2110 Colorful Points data structures greedy implementation Statement D Codeforces Round 455 (Div. 2) {909} PROGRAMMING Codeforces Round #455 (Div. 2) Editorial 2100
2858 Stack Sorting constructive algorithms data structures greedy implementation Statement E Educational Codeforces Round 35 (Rated for Div. 2) {911} PROGRAMMING 2000
8976 Bus of Characters data structures greedy implementation Statement B Codeforces Round 484 (Div. 2) {982} PROGRAMMING Editorial 1300
4911 Equalize the Remainders data structures greedy implementation Statement D Codeforces Round 490 (Div. 3) {999} PROGRAMMING 60138 1900
2564 TV Shows data structures greedy implementation sortings Statement D Codeforces Round 523 (Div. 2) {1061} PROGRAMMING Tutorial (en) 2000
1089 New Year and the Acquaintance Estimation binary search data structures graphs greedy implementation math sortings Statement E Good Bye 2018 {1091} PROGRAMMING Editorial 2400
4574 Minimal Segment Cover data structures dfs and similar divide and conquer dp greedy implementation trees Statement E Educational Codeforces Round 66 (Rated for Div. 2) {1175} PROGRAMMING Editorial 2200
2469 Serge and Dining Room binary search data structures graph matchings greedy implementation math trees Statement C Codeforces Round 569 (Div. 1) {1179} PROGRAMMING Editorial of Round #569 2400
2773 You Are Given a WASD-string... brute force data structures dp greedy implementation math strings Statement C Educational Codeforces Round 70 (Rated for Div. 2) {1202} PROGRAMMING 68972 2100
5488 Restore Permutation binary search data structures greedy implementation Statement D Manthan, Codefest 19 (open for everyone, rated, Div. 1 + Div. 2) {1208} PROGRAMMING 69357 1900
3985 Into Blocks (easy version) data structures dsu greedy implementation two pointers Statement G1 Codeforces Round 584 - Dasha Code Championship - Elimination Round (rated, open for everyone, Div. 1 + Div. 2) {1209} PROGRAMMING 69791 2000
3032 Unstable String Sort data structures dfs and similar dsu graphs greedy implementation strings Statement F Codeforces Round 582 (Div. 3) {1213} PROGRAMMING Codeforces Round #582 (Div. 3) Editorial 2400
2067 Sum Queries? data structures greedy implementation math Statement E Educational Codeforces Round 72 (Rated for Div. 2) {1217} PROGRAMMING Educational Codeforces Round 72 Editorial 2300
1738 Alice and the Doll brute force data structures greedy implementation Statement D Codeforces Round 593 (Div. 2) {1236} PROGRAMMING 70654 2100
1810 Queue in the Train data structures greedy implementation Statement C Codeforces Round 594 (Div. 1) {1239} PROGRAMMING Editorial of Codeforces Round #594 (on the problems of Moscow Team Olympiad) 2300
3878 Decreasing Debts constructive algorithms data structures graphs greedy implementation math two pointers Statement D Codeforces Global Round 6 {1266} PROGRAMMING Codeforces Global Round 6 Editorial 2000
2353 Spaceship Solitaire data structures greedy implementation Statement E Codeforces Global Round 6 {1266} PROGRAMMING Codeforces Global Round 6 Editorial 2100
3414 Portals data structures dp greedy implementation sortings Statement D Codeforces Round 608 (Div. 2) {1271} PROGRAMMING 72247 2100
8581 Berry Jam data structures dp greedy implementation Statement C Educational Codeforces Round 78 (Rated for Div. 2) {1278} PROGRAMMING Educational Codeforces Round 78 Editorial 1600
12726 MEX maximizing data structures greedy implementation math Statement D Codeforces Round 615 (Div. 3) {1294} PROGRAMMING Codeforces Round #615 (Div. 3) Editorial 1600
127 Movie Fan *special data structures greedy implementation sortings Statement F Kotlin Heroes: Episode 3 {1297} PROGRAMMING Kotlin Heroes: Episode 3 Editorial
30641 Frog Jumps binary search data structures greedy implementation Statement C Codeforces Round 627 (Div. 3) {1324} PROGRAMMING Codeforces Round #627 (Div. 3) Editorial
1807 Drazil Likes Heap constructive algorithms data structures greedy implementation sortings Statement C Codeforces Round 631 (Div. 1) - Thanks, Denis aramis Shitov! {1329} PROGRAMMING 1500.0 Codeforces Round #631 Editorial 2400
13697 Nastya and Strange Generator brute force data structures greedy implementation Statement A Codeforces Round 637 (Div. 1) - Thanks, Ivan Belonogov! {1340} PROGRAMMING 500.0 Codeforces Round #637 Editorial
1408 Restore the Permutation by Sorted Segments brute force constructive algorithms data structures greedy implementation Statement F Codeforces Round 636 (Div. 3) {1343} PROGRAMMING 76352 2800
2453 Are You Fired? constructive algorithms data structures dp greedy implementation Statement E Codeforces Round 645 (Div. 2) {1358} PROGRAMMING 2000.0 Codeforces Round #645 (Div. 2) Editorial 2400
25049 Rotation Matching constructive algorithms data structures greedy implementation Statement C Codeforces Round 648 (Div. 2) {1365} PROGRAMMING 1250.0 Editorial — Codeforces Round #648 1400
2461 DeadLee constructive algorithms data structures graphs greedy implementation sortings Statement E Codeforces Round 652 (Div. 2) {1369} PROGRAMMING 2500.0 Codeforces Round #652 (Div. 2) Editorial 2400
5229 Binary Subsequence Rotation binary search data structures dp greedy implementation Statement E Codeforces Round 651 (Div. 2) {1370} PROGRAMMING 2500.0 Editorial — Codeforces Round #651
15018 Reading Books (easy version) data structures greedy implementation sortings Statement E1 Codeforces Round 653 (Div. 3) {1374} PROGRAMMING 79517
2831 Removing Leaves data structures dfs and similar divide and conquer greedy implementation trees Statement F Codeforces Round 656 (Div. 3) {1385} PROGRAMMING Codeforces Round #656 (Div. 3) Editorial 2300
6919 Captain Flint and Treasure data structures dfs and similar dp graphs greedy implementation trees Statement D Codeforces Round 660 (Div. 2) {1388} PROGRAMMING 2000.0 Codeforces Round #660 Editorial 2000
17385 Applejack and Storages data structures greedy implementation Statement B Codeforces Round 662 (Div. 2) {1393} PROGRAMMING 1000.0 Codeforces Round #662 Editorial
2601 Two Types of Spells binary search data structures greedy implementation math sortings Statement E Educational Codeforces Round 93 (Rated for Div. 2) {1398} PROGRAMMING Educational Codeforces Round 93 Editorial
6929 Shurikens data structures greedy implementation Statement D Technocup 2021 - Elimination Round 1 {1413} PROGRAMMING 2000.0 Codeforces Round 679 (Div. 1, Div. 2) and Technocup Round 1 editorial
5200 Pokémon Army (hard version) data structures divide and conquer dp greedy implementation Statement C2 Codeforces Round 672 (Div. 2) {1420} PROGRAMMING 1250.0
5326 Identify the Operations brute force combinatorics data structures dsu greedy implementation Statement B Codeforces Round 681 (Div. 1, based on VK Cup 2019-2020 - Final) {1442} PROGRAMMING 1000.0 84298
1710 Two Editorials brute force data structures greedy implementation Statement E Educational Codeforces Round 98 (Rated for Div. 2) {1452} PROGRAMMING 84847
14219 Array Destruction constructive algorithms data structures greedy implementation sortings Statement C Codeforces Round 696 (Div. 2) {1474} PROGRAMMING 1500.0 Codeforces Round #696 Editorial
4322 Cleaning data structures dp greedy implementation Statement D Codeforces Round 696 (Div. 2) {1474} PROGRAMMING 2000.0 Codeforces Round #696 Editorial
7479 Painting the Array I constructive algorithms data structures dp greedy implementation Statement B1 Codeforces Round 700 (Div. 1) {1479} PROGRAMMING 750.0 Editorial of Codeforces Round #700
4439 Painting the Array II data structures dp greedy implementation Statement B2 Codeforces Round 700 (Div. 1) {1479} PROGRAMMING 750.0 Editorial of Codeforces Round #700
8410 Pekora and Trampoline brute force data structures dp graphs greedy implementation Statement C Codeforces Global Round 13 {1491} PROGRAMMING 1000.0 Codeforces Global Round 13 Editorial
538 Qingshan and Daniel brute force data structures greedy implementation Statement E Codeforces Round 706 (Div. 1) {1495} PROGRAMMING 2500.0 Codeforces Round #706 Editorial
2314 Nastia Plays with a Tree constructive algorithms data structures dfs and similar dp flows graphs greedy implementation trees Statement D Codeforces Round 720 (Div. 2) {1521} PROGRAMMING 2250.0 90477
9195 Compression and Expansion brute force data structures greedy implementation trees Statement C Deltix Round, Spring 2021 (open for everyone, rated, Div. 1 + Div. 2) {1523} PROGRAMMING 1500.0 Deltix Round, Spring 2021. Editorial 1600
4826 Robot Collisions data structures greedy implementation sortings Statement C Educational Codeforces Round 109 (Rated for Div. 2) {1525} PROGRAMMING 90793
5079 Omkar and Medians data structures greedy implementation Statement D Codeforces Round 724 (Div. 2) {1536} PROGRAMMING 2000.0 Codeforces Round #724 — Editorial 2000
385 Four Vertices constructive algorithms data structures graphs greedy implementation shortest paths Statement G Codeforces Global Round 16 {1566} PROGRAMMING 3000.0 Codeforces Global Round 16 Editorial
8344 Seating Arrangements (hard version) data structures greedy implementation sortings two pointers Statement D2 Codeforces Global Round 16 {1566} PROGRAMMING 1000.0 Codeforces Global Round 16 Editorial
4863 The Strongest Build data structures dfs and similar graphs greedy hashing implementation shortest paths Statement D Educational Codeforces Round 114 (Rated for Div. 2) {1574} PROGRAMMING 95188
1926 New School binary search data structures greedy implementation sortings Statement E Hello 2022 {1621} PROGRAMMING 2250.0
14586 Integers Shop data structures greedy implementation Statement B Hello 2022 {1621} PROGRAMMING 1000.0
11866 Monsters And Spells data structures dp fft greedy implementation two pointers Statement C Educational Codeforces Round 121 (Rated for Div. 2) {1626} PROGRAMMING 99136
4474 Rescheduling the Exam binary search data structures greedy implementation math sortings Statement E Codeforces Round 776 (Div. 3) {1650} PROGRAMMING 100712
4457 Reverse Sort Sum constructive algorithms data structures greedy implementation math two pointers Statement D Codeforces Round 782 (Div. 2) {1659} PROGRAMMING 2000.0 Codeforces Round #782 (Div. 2) Editorial
5406 Progressions Covering data structures greedy implementation Statement D Educational Codeforces Round 126 (Rated for Div. 2) {1661} PROGRAMMING Educational Codeforces Round 126 Editorial
1807 MinimizOR binary search bitmasks data structures dp greedy implementation Statement E Codeforces Round 781 (Div. 2) {1665} PROGRAMMING 2250.0 Codeforces Round #781 (Div. 2) Editorial
5693 Desktop Rearrangement data structures greedy implementation Statement F Codeforces Round 786 (Div. 3) {1674} PROGRAMMING 102482
20287 Longest Strike data structures greedy implementation sortings two pointers Statement F Codeforces Round 790 (Div. 4) {1676} PROGRAMMING Codeforces Round #790 (Div. 4) Editorial
19104 Mystic Permutation data structures greedy implementation Statement B Codeforces Round 798 (Div. 2) {1689} PROGRAMMING 750.0 Editorial for Codeforces Round #798 (Div. 2)
28144 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
15839 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
10446 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
3485 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
13104 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
1436 Rectangle Shrinking binary search data structures greedy implementation two pointers Statement E VK Cup 2022 - Отборочный раунд (Engine) {1781} PROGRAMMING 2750.0 Tutorial
18851 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
12346 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
935 Traveling in Berland binary search data structures graphs greedy implementation Statement F Educational Codeforces Round 145 (Rated for Div. 2) {1809} PROGRAMMING 114300
5576 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
2672 Editorial for Two binary search data structures greedy implementation Statement F Educational Codeforces Round 149 (Rated for Div. 2) {1837} PROGRAMMING 116752
9065 Rating System brute force data structures dp greedy implementation math Statement D Educational Codeforces Round 151 (Rated for Div. 2) {1845} PROGRAMMING 117791
4277 Professor Higashikata brute force data structures dsu greedy implementation sortings Statement D Codeforces Round 882 (Div. 2) {1847} PROGRAMMING 2000.0 Tutorial
24966 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
98 LIS? data structures greedy implementation Statement F Codeforces Round 896 (Div. 1) {1868} PROGRAMMING 3000.0 Codeforces Round 896 (Div. 1, Div. 2) Editorial
5757 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
6271 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
27123 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
4594 01 Tree data structures divide and conquer greedy implementation sortings trees Statement D Hello 2024 {1919} PROGRAMMING 1500.0 2100
6801 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
1658 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
2989 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
4629 Computing Machine data structures dp greedy implementation Statement E Codeforces Round 953 (Div. 2) {1978} PROGRAMMING 2000.0 130527
13717 Elections data structures greedy implementation math Statement D Codeforces Round 953 (Div. 2) {1978} PROGRAMMING 1500.0 130527
10335 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
2936 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
7535 Minimize the Difference binary search data structures greedy implementation math Statement D Codeforces Round 973 (Div. 2) {2013} PROGRAMMING 2000.0 134298
2206 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)
1940 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
4538 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
1913 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
3770 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
15874 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
5852 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
7725 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
953 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
2280 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
14765 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
10868 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
421 Tropical Season data structures greedy implementation Statement E Codeforces Round 1004 (Div. 1) {2066} PROGRAMMING 2000.0 139415
14876 Neo's Escape data structures dsu graphs greedy implementation Statement C Codeforces Round 1022 (Div. 2) {2108} PROGRAMMING 1500.0 Codeforces Round 1022 Editorial
5434 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
1631 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
3782 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
2802 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
11843 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
1302 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
29389 Operations with Inversions data structures greedy implementation Statement A Codeforces Round 1070 (Div. 2) {2176} PROGRAMMING 500.0 Codeforces Round 1070 (Div.2) Editorial
5663 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
2525 Tree Coloring (Hard Version) constructive algorithms data structures dfs and similar greedy implementation trees Statement D2 Hello 2026 {2183} PROGRAMMING 2000.0
3035 Mooclear Reactor 2 data structures greedy implementation sortings Statement F Codeforces Round 1084 (Div. 3) {2200} PROGRAMMING Codeforces Round 1084 (Div. 3) Editorial
814 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
5197 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
441 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
11401 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
1135 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