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24008 Harder Problem constructive algorithms greedy math Statement D Codeforces Round 993 (Div. 4) {2044} PROGRAMMING Codeforces Round 993 (Div. 4) Editorial
45063 Hard Problem greedy math Statement C Codeforces Round 993 (Div. 4) {2044} PROGRAMMING Codeforces Round 993 (Div. 4) Editorial
7165 Saraga greedy strings Statement C 2024-2025 ICPC Asia Jakarta Regional Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2045} PROGRAMMING raRzKDJLPHcUnqTcwvGznwEdKiDWjEkd.pdf 1400
10814 Move Back at a Cost binary search data structures greedy sortings Statement B Codeforces Round 990 (Div. 1) {2046} PROGRAMMING 750.0 Разбор Codeforces Round 990 (Div. 2 + Div. 1)
16753 Swap Columns and Find a Path greedy sortings Statement A Codeforces Round 990 (Div. 1) {2046} PROGRAMMING 500.0 Разбор Codeforces Round 990 (Div. 2 + Div. 1)
19192 Replace Character brute force combinatorics greedy strings Statement B Codeforces Round 990 (Div. 2) {2047} PROGRAMMING 1000.0 Разбор Codeforces Round 990 (Div. 2 + Div. 1)
8280 Kevin and Competition Memories binary search data structures greedy sortings two pointers Statement D Codeforces Global Round 28 {2048} PROGRAMMING 1250.0 Tutorial
15099 Kevin and Binary Strings bitmasks brute force greedy strings Statement C Codeforces Global Round 28 {2048} PROGRAMMING 1000.0 Tutorial
13566 MEX Cycle constructive algorithms greedy implementation Statement C Codeforces Round 994 (Div. 2) {2049} PROGRAMMING 1000.0 Codeforces Round #994 (Div. 2) Editorial
24091 MEX Destruction greedy implementation Statement A Codeforces Round 994 (Div. 2) {2049} PROGRAMMING 500.0 Codeforces Round #994 (Div. 2) Editorial
26951 Transfusion brute force greedy math Statement B Codeforces Round 991 (Div. 3) {2050} PROGRAMMING Разбор Codeforces Round 991 (Div. 3)
18898 Digital string maximization brute force greedy math strings Statement D Codeforces Round 991 (Div. 3) {2050} PROGRAMMING Разбор Codeforces Round 991 (Div. 3)
5360 Tree Destruction dfs and similar dp greedy trees Statement G Codeforces Round 991 (Div. 3) {2050} PROGRAMMING Разбор Codeforces Round 991 (Div. 3)
11906 Best Price brute force data structures greedy sortings Statement E Codeforces Round 995 (Div. 3) {2051} PROGRAMMING 137623
3983 Joker greedy math Statement F Codeforces Round 995 (Div. 3) {2051} PROGRAMMING 137623
7663 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
224 Naive String Splits brute force greedy hashing strings Statement G Good Bye 2024: 2025 is NEAR {2053} PROGRAMMING 4250.0 Good Bye 2024: 2025 is NEAR Editorial
105 Affectionate Arrays (Hard Version) data structures dp graphs greedy math shortest paths two pointers Statement I2 Good Bye 2024: 2025 is NEAR {2053} PROGRAMMING 2000.0 Good Bye 2024: 2025 is NEAR Editorial
946 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
17185 The Trail constructive algorithms greedy math Statement C Codeforces Round 996 (Div. 2) {2055} PROGRAMMING 1500.0 Codeforces Round 996 (Div. 2) Editorial
27192 Crafting greedy sortings Statement B Codeforces Round 996 (Div. 2) {2055} PROGRAMMING 1000.0 Codeforces Round 996 (Div. 2) Editorial
13699 Trip to the Olympiad bitmasks constructive algorithms greedy math Statement C Hello 2025 {2057} PROGRAMMING 1500.0
185 Coffee Break data structures greedy greedy math Statement H Hello 2025 {2057} PROGRAMMING 4500.0
5355 Gifts Order data structures greedy math Statement D Hello 2025 {2057} PROGRAMMING 2250.0
23163 Gorilla and the Exam greedy sortings Statement B Hello 2025 {2057} PROGRAMMING 1000.0
12483 Customer Service brute force constructive algorithms graph matchings greedy math sortings Statement C Codeforces Round 1002 (Div. 2) {2059} PROGRAMMING 1500.0 139094
882 Stop Gaming (Easy Version) brute force constructive algorithms greedy hashing Statement E1 Codeforces Round 1002 (Div. 2) {2059} PROGRAMMING 1500.0 139094
18713 Cost of the Array brute force constructive algorithms greedy math Statement B Codeforces Round 1002 (Div. 2) {2059} PROGRAMMING 1000.0 139094
29095 Milya and Two Arrays constructive algorithms greedy sortings Statement A Codeforces Round 1002 (Div. 2) {2059} PROGRAMMING 500.0 139094
6496 Graph and Graph data structures graphs greedy shortest paths Statement D Codeforces Round 1002 (Div. 2) {2059} PROGRAMMING 2000.0 139094
1282 Bugged Sort dp greedy sortings Statement G Codeforces Round 998 (Div. 3) {2060} PROGRAMMING Codeforces Round 998 (Div. 3) Editorial
31988 Game of Mathletes games greedy sortings two pointers Statement C Codeforces Round 998 (Div. 3) {2060} PROGRAMMING Codeforces Round 998 (Div. 3) Editorial
28510 Farmer John's Card Game greedy sortings Statement B Codeforces Round 998 (Div. 3) {2060} PROGRAMMING Codeforces Round 998 (Div. 3) Editorial
2259 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
14624 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
10713 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
22247 Kevin and Arithmetic constructive algorithms greedy math Statement A IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} PROGRAMMING 500.0 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial
3531 Balanced Tree dfs and similar dp greedy trees Statement D Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) {2062} PROGRAMMING 2000.0 Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) Editorial
610 Traveling Salescat dp geometry greedy math sortings Statement F Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) {2062} PROGRAMMING 3500.0 Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) Editorial
28221 String greedy strings Statement A Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) {2062} PROGRAMMING 500.0 Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2) Editorial
4996 Game With Triangles binary search data structures dp greedy math ternary search two pointers Statement D Codeforces Round 1000 (Div. 2) {2063} PROGRAMMING 2250.0 Codeforces Round 1000 (Div. 2) — Editorial
14534 Remove Exactly Two brute force data structures dp graphs greedy sortings trees Statement C Codeforces Round 1000 (Div. 2) {2063} PROGRAMMING 1500.0 Codeforces Round 1000 (Div. 2) — Editorial
2344 Triangle Tree data structures dfs and similar dp dsu greedy trees Statement E Codeforces Round 1000 (Div. 2) {2063} PROGRAMMING 2750.0 Codeforces Round 1000 (Div. 2) — Editorial
23076 Subsequence Update greedy sortings Statement B Codeforces Round 1000 (Div. 2) {2063} PROGRAMMING 1000.0 Codeforces Round 1000 (Div. 2) — Editorial
5820 Eating binary search bitmasks data structures greedy two pointers Statement D Codeforces Round 1005 (Div. 2) {2064} PROGRAMMING 1750.0 Codeforces Round 1005 (Div. 2) Editorial
20027 Variety is Discouraged constructive algorithms constructive algorithms greedy greedy Statement B Codeforces Round 1005 (Div. 2) {2064} PROGRAMMING 1000.0 Codeforces Round 1005 (Div. 2) Editorial
27017 Brogramming Contest greedy strings Statement A Codeforces Round 1005 (Div. 2) {2064} PROGRAMMING 500.0 Codeforces Round 1005 (Div. 2) Editorial
7053 Skibidus and Slay data structures dfs and similar graphs greedy trees Statement F Codeforces Round 1003 (Div. 4) {2065} PROGRAMMING Video Tutorial
5424 White Magic constructive algorithms greedy implementation Statement B Codeforces Round 1004 (Div. 1) {2066} PROGRAMMING 750.0 139415
420 Tropical Season data structures greedy implementation Statement E Codeforces Round 1004 (Div. 1) {2066} PROGRAMMING 2000.0 139415
12640 Devyatkino brute force dp greedy math Statement C Codeforces Round 1004 (Div. 2) {2067} PROGRAMMING 1250.0
18896 Two Large Bags dp greedy sortings Statement B Codeforces Round 1004 (Div. 2) {2067} PROGRAMMING 1000.0
1632 Ads binary search greedy two pointers Statement C European Championship 2025 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {2068} PROGRAMMING 140239
1473 Mascot Naming brute force greedy strings Statement F European Championship 2025 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {2068} PROGRAMMING 140239
265 Morse Code dp greedy sortings trees Statement D European Championship 2025 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {2068} PROGRAMMING 140239
7002 Palindrome Shuffle binary search greedy hashing strings two pointers Statement D Educational Codeforces Round 174 (Rated for Div. 2) {2069} PROGRAMMING 139774
1893 A, B, AB and BA constructive algorithms greedy sortings strings Statement E Educational Codeforces Round 174 (Rated for Div. 2) {2069} PROGRAMMING 139774
18727 Set of Strangers greedy matrices Statement B Educational Codeforces Round 174 (Rated for Div. 2) {2069} PROGRAMMING 139774
1835 Game with Binary String data structures divide and conquer games greedy math Statement E Educational Codeforces Round 175 (Rated for Div. 2) {2070} PROGRAMMING Video Tutorial
20793 Perfecto brute force constructive algorithms greedy math probabilities Statement B Codeforces Round 1007 (Div. 2) {2071} PROGRAMMING 1000.0 Codeforces Round 1007 (Div. 2) Editorial
12209 Do You Love Your Hero and His Two-Hit Multi-Target Attacks? binary search constructive algorithms geometry greedy math Statement E Codeforces Round 1006 (Div. 3) {2072} PROGRAMMING Codeforces Round 1006 (Div. 3) Editorial
17592 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
40565 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
34664 The Third Side greedy math Statement B Codeforces Round 1009 (Div. 3) {2074} PROGRAMMING Codeforces Round 1009 (Div. 3) — Editorial
5759 Equalization bitmasks brute force dp greedy math Statement D Educational Codeforces Round 176 (Rated for Div. 2) {2075} PROGRAMMING Educational Codeforces Round 176 Editorial
27828 To Zero greedy math Statement A Educational Codeforces Round 176 (Rated for Div. 2) {2075} PROGRAMMING Educational Codeforces Round 176 Editorial
14436 Breach of Faith constructive algorithms greedy math sortings Statement A Codeforces Round 1008 (Div. 1) {2077} PROGRAMMING 500.0 Codeforces Round 1008 (Div. 1, Div. 2) Editorial
18228 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
6471 Scammy Game Ad dp greedy math Statement D Codeforces Round 1008 (Div. 2) {2078} PROGRAMMING 1750.0 Codeforces Round 1008 (Div. 1, Div. 2) Editorial
23249 Final Verdict greedy math Statement A Codeforces Round 1008 (Div. 2) {2078} PROGRAMMING 500.0 Codeforces Round 1008 (Div. 1, Div. 2) Editorial
1171 MST in Modulo Graph constructive algorithms dsu graphs greedy math number theory sortings Statement D Codeforces Round 1010 (Div. 1, Unrated) {2081} PROGRAMMING 1750.0 Codeforces Round 1010 (Div. 1, Div. 2, based on Zhili Cup 2025) Editorial
8768 Arcology On Permafrost binary search brute force constructive algorithms greedy math Statement D Teza Round 1 (Codeforces Round 1015, Div. 1 + Div. 2) {2084} PROGRAMMING 1750.0 141155
11632 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
16514 MIN = GCD greedy math Statement B Teza Round 1 (Codeforces Round 1015, Div. 1 + Div. 2) {2084} PROGRAMMING 1000.0 141155
18940 Large Array and Segments binary search brute force dp greedy math Statement B Educational Codeforces Round 177 (Rated for Div. 2) {2086} PROGRAMMING Educational Codeforces Round 177 Editorial
16049 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
89 Esports in Berland *special *special greedy greedy Statement G Kotlin Heroes: Episode 12 {2087} PROGRAMMING 141608
3204 Canteen (Easy Version) binary search data structures flows greedy two pointers Statement B1 Codeforces Round 1012 (Div. 1) {2089} PROGRAMMING 1000.0 Codeforces Round 1012 (Div.1, Div. 2, based on THUPC 2025 — Finals) Editorial
1269 Canteen (Hard Version) binary search data structures greedy math two pointers Statement B2 Codeforces Round 1012 (Div. 1) {2089} PROGRAMMING 500.0 Codeforces Round 1012 (Div.1, Div. 2, based on THUPC 2025 — Finals) Editorial
6250 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
23318 Place of the Olympiad binary search greedy math Statement D Codeforces Round 1013 (Div. 3) {2091} PROGRAMMING Codeforces Round 1013 (Div. 3) Editorial
1492 Gleb and Boating brute force constructive algorithms data structures dp graphs greedy math shortest paths Statement G Codeforces Round 1013 (Div. 3) {2091} PROGRAMMING Codeforces Round 1013 (Div. 3) Editorial
32477 Team Training dp greedy sortings Statement B Codeforces Round 1013 (Div. 3) {2091} PROGRAMMING Codeforces Round 1013 (Div. 3) Editorial
38823 Olympiad Date greedy strings Statement A Codeforces Round 1013 (Div. 3) {2091} PROGRAMMING Codeforces Round 1013 (Div. 3) Editorial
6829 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
428 Andryusha and CCB brute force constructive algorithms greedy math number theory strings Statement F Codeforces Round 1014 (Div. 2) {2092} PROGRAMMING 3000.0 Codeforces Round #1014 (Div. 2) Editorial
22484 Asuna and the Mosquitoes constructive algorithms greedy math Statement C Codeforces Round 1014 (Div. 2) {2092} PROGRAMMING 1250.0 Codeforces Round #1014 (Div. 2) Editorial
28257 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
3772 Shorten the Array binary search brute force data structures dfs and similar greedy strings trees two pointers Statement G Codeforces Round 1016 (Div. 3) {2093} PROGRAMMING Codeforces Round 1016 (Div. 3) Editorial
30733 Expensive Number greedy math Statement B Codeforces Round 1016 (Div. 3) {2093} PROGRAMMING Codeforces Round 1016 (Div. 3) Editorial
23751 Tung Tung Sahur greedy strings two pointers Statement D Codeforces Round 1017 (Div. 4) {2094} PROGRAMMING Codeforces Round 1017 (Div. 4) Editorial
2029 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
16494 Wonderful Gloves greedy math sortings Statement B Neowise Labs Contest 1 (Codeforces Round 1018, Div. 1 + Div. 2) {2096} PROGRAMMING 750.0 Neowise Labs Contest 1 (Codeforces Round 1018, Div. 1 + Div. 2) Editorial
2253 23 Kingdom binary search data structures greedy ternary search two pointers Statement C Codeforces Round 1024 (Div. 1) {2101} PROGRAMMING 2000.0 142788
6745 Quartet Swapping data structures greedy sortings Statement B Codeforces Round 1024 (Div. 1) {2101} PROGRAMMING 1250.0 142788
24869 Common Multiple brute force greedy math Statement A Codeforces Round 1019 (Div. 2) {2103} PROGRAMMING 500.0 142149
17618 Binary Typewriter greedy math Statement B Codeforces Round 1019 (Div. 2) {2103} PROGRAMMING 1000.0 142149
8010 Unpleasant Strings binary search data structures dp greedy strings Statement E Educational Codeforces Round 178 (Rated for Div. 2) {2104} PROGRAMMING Educational Codeforces Round 178 Editorial
13116 Array and GCD binary search greedy math number theory Statement D Educational Codeforces Round 178 (Rated for Div. 2) {2104} PROGRAMMING Educational Codeforces Round 178 Editorial
17277 Card Game brute force games greedy math Statement C Educational Codeforces Round 178 (Rated for Div. 2) {2104} PROGRAMMING Educational Codeforces Round 178 Editorial
12201 Flower Boy binary search dp greedy two pointers Statement D Codeforces Round 1020 (Div. 3) {2106} PROGRAMMING Codeforces Round 1020 (Div. 3) Editorial
5903 Wolf binary search greedy math Statement E Codeforces Round 1020 (Div. 3) {2106} PROGRAMMING Codeforces Round 1020 (Div. 3) Editorial
28297 St. Chroma constructive algorithms greedy math Statement B Codeforces Round 1020 (Div. 3) {2106} PROGRAMMING Codeforces Round 1020 (Div. 3) Editorial
4405 Goblin dp dsu greedy math Statement F Codeforces Round 1020 (Div. 3) {2106} PROGRAMMING Codeforces Round 1020 (Div. 3) Editorial
25508 Cherry Bomb greedy math sortings Statement C Codeforces Round 1020 (Div. 3) {2106} PROGRAMMING Codeforces Round 1020 (Div. 3) Editorial
3521 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
925 Ain and Apple Tree constructive algorithms greedy math trees Statement E Codeforces Round 1023 (Div. 2) {2107} PROGRAMMING 2750.0 Codeforces Round 1023 (Div 2) Editorial
19656 Apples in Boxes games greedy math Statement B Codeforces Round 1023 (Div. 2) {2107} PROGRAMMING 750.0 Codeforces Round 1023 (Div 2) Editorial
22141 LRC and VIP greedy number theory Statement A Codeforces Round 1023 (Div. 2) {2107} PROGRAMMING 250.0 Codeforces Round 1023 (Div 2) Editorial
14480 SUMdamental Decomposition bitmasks constructive algorithms greedy implementation math Statement B Codeforces Round 1022 (Div. 2) {2108} PROGRAMMING 1250.0 Codeforces Round 1022 Editorial
22089 Permutation Warm-Up combinatorics greedy math number theory Statement A Codeforces Round 1022 (Div. 2) {2108} PROGRAMMING 500.0 Codeforces Round 1022 Editorial
14572 Neo's Escape data structures dsu graphs greedy implementation Statement C Codeforces Round 1022 (Div. 2) {2108} PROGRAMMING 1500.0 Codeforces Round 1022 Editorial
5564 D/D/D dfs and similar graphs greedy shortest paths Statement D Codeforces Round 1025 (Div. 2) {2109} PROGRAMMING 1750.0 Codeforces Round 1025 (Div. 2) Editorial
5391 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
1401 Puzzle brute force constructive algorithms greedy math Statement F Educational Codeforces Round 179 (Rated for Div. 2) {2111} PROGRAMMING Educational Codeforces Round 179 Editorial
11913 Creating a Schedule constructive algorithms data structures greedy sortings Statement D Educational Codeforces Round 179 (Rated for Div. 2) {2111} PROGRAMMING Educational Codeforces Round 179 Editorial
20657 Energy Crystals greedy implementation math Statement A Educational Codeforces Round 179 (Rated for Div. 2) {2111} PROGRAMMING Educational Codeforces Round 179 Editorial
17610 Coloring Game binary search brute force greedy two pointers Statement C Educational Codeforces Round 180 (Rated for Div. 2) {2112} PROGRAMMING Educational Codeforces Round 180 — Editorial
627 Variables and Operations graphs greedy shortest paths Statement F Educational Codeforces Round 180 (Rated for Div. 2) {2112} PROGRAMMING Educational Codeforces Round 180 — Editorial
20432 Shashliks greedy math Statement A Codeforces Round 1031 (Div. 2) {2113} PROGRAMMING 500.0 Codeforces Round #1031 Editorial
14580 Come a Little Closer brute force greedy implementation math Statement D Codeforces Round 1027 (Div. 3) {2114} PROGRAMMING 143268
30774 Need More Arrays greedy greedy greedy Statement C Codeforces Round 1027 (Div. 3) {2114} PROGRAMMING 143268
30409 Not Quite a Palindromic String greedy greedy math math Statement B Codeforces Round 1027 (Div. 3) {2114} PROGRAMMING 143268
14817 Gellyfish and Flaming Peony brute force constructive algorithms dp greedy math number theory shortest paths Statement A Codeforces Round 1028 (Div. 1) {2115} PROGRAMMING 500.0 Codeforces Round 1028 (Div.1, Div.2) Editorial
906 Gellyfish and Eternal Violet combinatorics dp greedy math meet-in-the-middle probabilities Statement C Codeforces Round 1028 (Div. 1) {2115} PROGRAMMING 1750.0 Codeforces Round 1028 (Div.1, Div.2) Editorial
5118 Omg Graph brute force dsu graphs greedy shortest paths sortings Statement G Codeforces Round 1029 (Div. 3) {2117} PROGRAMMING Codeforces Round 1029 (Div. 3) Editorial
37846 False Alarm greedy implementation Statement A Codeforces Round 1029 (Div. 3) {2117} PROGRAMMING Codeforces Round 1029 (Div. 3) Editorial
18346 Make It Beautiful bitmasks greedy math Statement C Codeforces Round 1030 (Div. 2) {2118} PROGRAMMING 1000.0 Codeforces Round 1030 (Div. 2) Editorial
1412 Grid Coloring constructive algorithms greedy sortings Statement E Codeforces Round 1030 (Div. 2) {2118} PROGRAMMING 2500.0 Codeforces Round 1030 (Div. 2) Editorial
699 And Constraint bitmasks dp greedy implementation Statement E Codeforces Round 1035 (Div. 2) {2119} PROGRAMMING 2500.0 Codeforces Round 1035 (Div. 2) Editorial
18176 Line Segments geometry greedy math Statement B Codeforces Round 1035 (Div. 2) {2119} PROGRAMMING 1000.0 Codeforces Round 1035 (Div. 2) Editorial
27045 Add or XOR greedy math Statement A Codeforces Round 1035 (Div. 2) {2119} PROGRAMMING 500.0 Codeforces Round 1035 (Div. 2) Editorial
12491 Divine Tree constructive algorithms greedy math sortings trees Statement C Codeforces Round 1033 (Div. 2) and CodeNite 2025 {2120} PROGRAMMING 1250.0 Codeforces Round 1033 (Div. 2) and CodeNite 2025 Editorial
107 Eulerian Line Graph graphs greedy math Statement G Codeforces Round 1033 (Div. 2) and CodeNite 2025 {2120} PROGRAMMING 4000.0 Codeforces Round 1033 (Div. 2) and CodeNite 2025 Editorial
32421 Above the Clouds constructive algorithms greedy strings Statement B Codeforces Round 1032 (Div. 3) {2121} PROGRAMMING Codeforces Round 1032 (Div. 3) Editorial
21640 Those Who Are With Us greedy greedy implementation Statement C Codeforces Round 1032 (Div. 3) {2121} PROGRAMMING Codeforces Round 1032 (Div. 3) Editorial
14605 Sponsor of Your Problems greedy strings Statement E Codeforces Round 1032 (Div. 3) {2121} PROGRAMMING Codeforces Round 1032 (Div. 3) Editorial
8333 Manhattan Pairs constructive algorithms greedy math sortings Statement C Order Capital Round 1 (Codeforces Round 1038, Div. 1 + Div. 2) {2122} PROGRAMMING 1500.0 Order Capital Round 1 (Codeforces Round 1038, Div. 1 + Div. 2) Editorial
1063 Greedy Grid Counting dp greedy math Statement E Order Capital Round 1 (Codeforces Round 1038, Div. 1 + Div. 2) {2122} PROGRAMMING 2500.0 Order Capital Round 1 (Codeforces Round 1038, Div. 1 + Div. 2) Editorial
15155 Pile Shuffling greedy math Statement B Order Capital Round 1 (Codeforces Round 1038, Div. 1 + Div. 2) {2122} PROGRAMMING 1000.0 Order Capital Round 1 (Codeforces Round 1038, Div. 1 + Div. 2) Editorial
14811 MEX Count binary search data structures greedy sortings two pointers Statement E Codeforces Round 1034 (Div. 3) {2123} PROGRAMMING Codeforces Round 1034 (Div. 3) Editorial
8052 Make a Palindrome greedy sortings Statement D EPIC Institute of Technology Round Summer 2025 (Codeforces Round 1036, Div. 1 + Div. 2) {2124} PROGRAMMING 1750.0 EPIC Institute of Technology Round Summer 2025 (Codeforces Round 1036, Div. 1 + Div. 2) Editorial
27210 Left and Down greedy math number theory Statement B Educational Codeforces Round 181 (Rated for Div. 2) {2125} PROGRAMMING Educational Codeforces Round 181 Editorial
26169 I Will Definitely Make It greedy sortings Statement C Codeforces Round 1037 (Div. 3) {2126} PROGRAMMING 144845
23874 This Is the Last Time greedy sortings Statement D Codeforces Round 1037 (Div. 3) {2126} PROGRAMMING 144845
2725 Ancient Tree constructive algorithms data structures dfs and similar dsu greedy trees Statement E Atto Round 1 (Codeforces Round 1041, Div. 1 + Div. 2) {2127} PROGRAMMING 2500.0 Atto Round 1 (Codeforces Round 1041, Div. 1 + Div. 2) Editorial
19574 Mix Mex Max constructive algorithms greedy math Statement A Atto Round 1 (Codeforces Round 1041, Div. 1 + Div. 2) {2127} PROGRAMMING 500.0 Atto Round 1 (Codeforces Round 1041, Div. 1 + Div. 2) Editorial
12318 Trip Shopping games greedy sortings Statement C Atto Round 1 (Codeforces Round 1041, Div. 1 + Div. 2) {2127} PROGRAMMING 1500.0 Atto Round 1 (Codeforces Round 1041, Div. 1 + Div. 2) Editorial
21321 Deque Process constructive algorithms greedy sortings two pointers Statement B Codeforces Round 1039 (Div. 2) {2128} PROGRAMMING 1000.0 Codeforces Round #1039 — Editorial
28419 Recycling Center greedy sortings Statement A Codeforces Round 1039 (Div. 2) {2128} PROGRAMMING 500.0 Codeforces Round #1039 — Editorial
28456 Submission is All You Need greedy math Statement A Codeforces Round 1040 (Div. 2) {2130} PROGRAMMING 500.0 Codeforces Round 1040 (Div. 1, Div. 2) Editorial
4701 Unjust Binary Life binary search binary search data structures greedy greedy math two pointers Statement F Codeforces Round 1042 (Div. 3) {2131} PROGRAMMING Codeforces Round 1042 (Div. 3) Editorial
878 Sea, You & copriMe brute force combinatorics constructive algorithms graphs greedy math number theory Statement H Codeforces Round 1042 (Div. 3) {2131} PROGRAMMING Codeforces Round 1042 (Div. 3) Editorial
30848 Alternating Series constructive algorithms greedy math Statement B Codeforces Round 1042 (Div. 3) {2131} PROGRAMMING Codeforces Round 1042 (Div. 3) Editorial
14210 Arboris Contractio graphs greedy trees Statement D Codeforces Round 1042 (Div. 3) {2131} PROGRAMMING Codeforces Round 1042 (Div. 3) Editorial
7537 Arithmetics Competition binary search data structures greedy ternary search Statement E Codeforces Round 1043 (Div. 3) {2132} PROGRAMMING Codeforces Round 1043 (Div. 3) Editorial
13267 The Cunning Seller (hard version) binary search greedy math Statement C2 Codeforces Round 1043 (Div. 3) {2132} PROGRAMMING Codeforces Round 1043 (Div. 3) Editorial
27599 The Cunning Seller (easy version) greedy math Statement C1 Codeforces Round 1043 (Div. 3) {2132} PROGRAMMING Codeforces Round 1043 (Div. 3) Editorial
7438 Chicken Jockey binary search brute force dp greedy math Statement D Codeforces Round 1044 (Div. 2) {2133} PROGRAMMING 2250.0 Codeforces Round 1044 (Div. 2) Editorial
18579 Even Larger greedy greedy Statement C Codeforces Round 1045 (Div. 2) {2134} PROGRAMMING 1250.0 145832
20833 Like the Bitset constructive algorithms greedy two pointers Statement B Codeforces Round 1046 (Div. 2) {2136} PROGRAMMING 1000.0 Codeforces Round 1046 (Div. 1, Div. 2) Editorial
26021 In the Dream greedy math Statement A Codeforces Round 1046 (Div. 2) {2136} PROGRAMMING 500.0 Codeforces Round 1046 (Div. 1, Div. 2) Editorial
22788 Maximum Even Sum brute force greedy implementation math Statement C Codeforces Round 1047 (Div. 3) {2137} PROGRAMMING Codeforces Round 1047 (Div. 3) Editorial
25732 Maple and Multiplication greedy math Statement A Codeforces Round 1048 (Div. 2) {2139} PROGRAMMING 500.0 Codeforces Round 1048 (Div. 1, Div. 2) Editorial
4869 A Cruel Segment's Thesis greedy math sortings Statement D Codeforces Round 1049 (Div. 2) {2140} PROGRAMMING 1750.0 Codeforces Round 1049 (Div. 2) Editorial
22180 Shift Sort greedy sortings strings Statement A Codeforces Round 1049 (Div. 2) {2140} PROGRAMMING 500.0 Codeforces Round 1049 (Div. 2) Editorial
469 Avoid Minimums *special greedy math Statement D Kotlin Heroes: Episode 13 {2141} PROGRAMMING Kotlin Heroes 13 Editorial
20750 Discounts greedy sortings two pointers Statement B Codeforces Round 1051 (Div. 2) {2143} PROGRAMMING 1000.0 Codeforces Round 1051 (Div. 2) Editorial
15316 Monocarp's String binary search greedy strings Statement C Educational Codeforces Round 183 (Rated for Div. 2) {2145} PROGRAMMING Educational Codeforces Round 183 Editorial
21434 Deck of Cards greedy implementation Statement B Educational Codeforces Round 183 (Rated for Div. 2) {2145} PROGRAMMING Educational Codeforces Round 183 Editorial
10357 Max Sum OR (Easy Version) bitmasks constructive algorithms divide and conquer greedy trees Statement D1 Codeforces Round 1052 (Div. 2) {2146} PROGRAMMING 1500.0 Codeforces Round 1052 (Div. 2) Editorial
21746 Equal Occurrences brute force greedy implementation Statement A Codeforces Round 1052 (Div. 2) {2146} PROGRAMMING 500.0 Codeforces Round 1052 (Div. 2) Editorial
15839 Merging the Sets greedy implementation Statement B Codeforces Round 1052 (Div. 2) {2146} PROGRAMMING 1000.0 Codeforces Round 1052 (Div. 2) Editorial
9668 Rabbits 2-sat dp graphs greedy implementation Statement C Codeforces Global Round 29 (Div. 1 + Div. 2) {2147} PROGRAMMING 1500.0
6544 Gravity Falls greedy implementation sortings Statement F Codeforces Round 1050 (Div. 4) {2148} PROGRAMMING Codeforces Round 1050 (Div. 4) Editorial
25187 Pacer greedy math Statement C Codeforces Round 1050 (Div. 4) {2148} PROGRAMMING Codeforces Round 1050 (Div. 4) Editorial
26541 Destruction of the Dandelion Fields greedy sortings Statement D Codeforces Round 1050 (Div. 4) {2148} PROGRAMMING Codeforces Round 1050 (Div. 4) Editorial
32888 Unconventional Pairs greedy sortings Statement B Codeforces Round 1054 (Div. 3) {2149} PROGRAMMING __rose
10184 Incremental Stay greedy implementation Statement C Codeforces Round 1053 (Div. 2) {2151} PROGRAMMING 1250.0 Editorial of Codeforces Round 1053 (Div. 1, Div. 2)
1020 Triple Attack brute force data structures greedy trees two pointers Statement F Squarepoint Challenge (Codeforces Round 1055, Div. 1 + Div. 2) {2152} PROGRAMMING 4000.0 Squarepoint Challenge (Codeforces Round 1055, Div. 1 + Div. 2) Editorial
12100 Triple Removal data structures greedy math Statement C Squarepoint Challenge (Codeforces Round 1055, Div. 1 + Div. 2) {2152} PROGRAMMING 1500.0 Squarepoint Challenge (Codeforces Round 1055, Div. 1 + Div. 2) Editorial
11707 Symmetrical Polygons geometry greedy sortings Statement C Codeforces Round 1057 (Div. 2) {2153} PROGRAMMING 1250.0 Codeforces Round 1057 (Div. 2) Editorial
1195 No Mind To Think binary search greedy sortings ternary search two pointers Statement E Codeforces Round 1060 (Div. 2) {2154} PROGRAMMING 2500.0 Codeforces Round 1060 (Div. 2) Editorial
13430 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
5470 No Cost Too Great (Hard Version) greedy math number theory Statement C2 Codeforces Round 1060 (Div. 2) {2154} PROGRAMMING 1000.0 Codeforces Round 1060 (Div. 2) Editorial
23046 Notelock greedy two pointers Statement A Codeforces Round 1060 (Div. 2) {2154} PROGRAMMING 500.0 Codeforces Round 1060 (Div. 2) Editorial
2815 Mimo & Yuyu games greedy math Statement E Codeforces Round 1056 (Div. 2) {2155} PROGRAMMING 2250.0 Codeforces Round 1056 (Div. 2) Editorial
20614 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
1606 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
12188 Maximum GCD on Whiteboard greedy math number theory Statement C Codeforces Round 1061 (Div. 2) {2156} PROGRAMMING 1500.0 Codeforces Round 1061 (Div. 2) Editorial
3538 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
402 Isaac's Queries brute force constructive algorithms dfs and similar divide and conquer greedy interactive math probabilities Statement G Codeforces Round 1066 (Div. 1 + Div. 2) {2157} PROGRAMMING 3000.0 Codeforces Round 1066 (Div. 1 + Div. 2) Editorial
9147 Meximum Array 2 constructive algorithms greedy math Statement C Codeforces Round 1066 (Div. 1 + Div. 2) {2157} PROGRAMMING 1500.0 Codeforces Round 1066 (Div. 1 + Div. 2) Editorial
16374 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
5937 Billion Players Game greedy math sortings ternary search two pointers Statement D Codeforces Round 1066 (Div. 1 + Div. 2) {2157} PROGRAMMING 1500.0 Codeforces Round 1066 (Div. 1 + Div. 2) Editorial
13805 Split constructive algorithms greedy math Statement B Codeforces Round 1067 (Div. 2) {2158} PROGRAMMING 1250.0 Codeforces Round 1067 (Div. 2) Editorial
23224 Suspension greedy math Statement A Codeforces Round 1067 (Div. 2) {2158} PROGRAMMING 500.0 Codeforces Round 1067 (Div. 2) Editorial
1004 Inverse Minimum Partition (Easy Version) binary search data structures dp greedy math two pointers Statement D1 Codeforces Round 1058 (Div. 1) {2159} PROGRAMMING 1500.0 Codeforces Round 1058 Editorial
17642 Distinct Elements greedy math Statement B Codeforces Round 1058 (Div. 2) {2160} PROGRAMMING 1000.0 Codeforces Round 1058 Editorial
2752 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
12419 Loyalty constructive algorithms greedy sortings two pointers Statement C Pinely Round 5 (Div. 1 + Div. 2) {2161} PROGRAMMING 1750.0
15656 Round Trip games greedy implementation math Statement A Pinely Round 5 (Div. 1 + Div. 2) {2161} PROGRAMMING 500.0
9250 Beautiful Palindromes constructive algorithms greedy schedules Statement E Codeforces Round 1059 (Div. 3) {2162} PROGRAMMING Codeforces Round 1059 (Div. 3) Editorial
10577 Dungeon binary search brute force data structures greedy sortings Statement C Codeforces Global Round 30 (Div. 1 + Div. 2) {2164} PROGRAMMING 1500.0 Codeforces Global Round 30 Editorial
4918 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
13973 Cyclic Merging brute force constructive algorithms graphs greedy trees Statement A Codeforces Round 1064 (Div. 1) {2165} PROGRAMMING 500.0 148452
35800 Isamatdin and His Magic Wand! constructive algorithms greedy implementation sortings Statement C Codeforces Round 1062 (Div. 4) {2167} PROGRAMMING Arpa Video Tutorial
1543 Locate binary search constructive algorithms greedy interactive Statement B Testing Round 20 (Unrated, Communication Problems) {2168} PROGRAMMING Testing Round 20 Editorial (officially unofficial)
2252 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
11141 Quotient and Remainder binary search greedy two pointers Statement C Educational Codeforces Round 185 (Rated for Div. 2) {2170} PROGRAMMING Educational Codeforces Round 185 Editorial
1665 Almost Roman constructive algorithms greedy implementation Statement D Educational Codeforces Round 185 (Rated for Div. 2) {2170} PROGRAMMING Educational Codeforces Round 185 Editorial
19770 Maximum Neighborhood greedy math Statement A Educational Codeforces Round 185 (Rated for Div. 2) {2170} PROGRAMMING Educational Codeforces Round 185 Editorial
14138 Addition on a Segment greedy math Statement B Educational Codeforces Round 185 (Rated for Div. 2) {2170} PROGRAMMING Educational Codeforces Round 185 Editorial
11437 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
2295 Sakura Adachi and Optimal Sequences bitmasks combinatorics greedy math Statement G Codeforces Round 1065 (Div. 3) {2171} PROGRAMMING Codeforces Round 1065 (Div. 3) Editorial
3610 Anisphia Wynn Palettia and Good Permutations constructive algorithms greedy number theory Statement E Codeforces Round 1065 (Div. 3) {2171} PROGRAMMING Codeforces Round 1065 (Div. 3) Editorial
12232 Kanade's Perfect Multiples greedy number theory Statement C Codeforces Round 1068 (Div. 2) {2173} PROGRAMMING 1250.0
289 Secret Message data structures greedy trees Statement D Codeforces Round 1069 (Div. 1) {2174} PROGRAMMING 2750.0 Codeforces Round 1069 Editorial
14116 Needle in a Haystack greedy strings two pointers Statement A Codeforces Round 1069 (Div. 1) {2174} PROGRAMMING 500.0 Codeforces Round 1069 Editorial
22740 Optimal Shifts bitmasks greedy strings Statement B Codeforces Round 1070 (Div. 2) {2176} PROGRAMMING 1000.0 Codeforces Round 1070 (Div.2) Editorial
1249 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
28865 Operations with Inversions data structures greedy implementation Statement A Codeforces Round 1070 (Div. 2) {2176} PROGRAMMING 500.0 Codeforces Round 1070 (Div.2) Editorial
15589 Odd Process greedy math sortings Statement C Codeforces Round 1070 (Div. 2) {2176} PROGRAMMING 1500.0 Codeforces Round 1070 (Div.2) Editorial
25510 Yes or Yes brute force greedy strings Statement A Good Bye 2025 {2178} PROGRAMMING 500.0
6656 Xmas or Hysteria constructive algorithms graphs greedy implementation Statement D Good Bye 2025 {2178} PROGRAMMING 1750.0
15555 First or Second dp greedy implementation Statement C Good Bye 2025 {2178} PROGRAMMING 1250.0
21464 Impost or Sus greedy implementation strings Statement B Good Bye 2025 {2178} PROGRAMMING 750.0
13368 Blackslex and Penguin Civilization bitmasks constructive algorithms greedy math Statement D Codeforces Round 1071 (Div. 3) {2179} PROGRAMMING Codeforces Round 1071 (Div. 3) Editorial
28158 Blackslex and Showering greedy implementation Statement B Codeforces Round 1071 (Div. 3) {2179} PROGRAMMING Codeforces Round 1071 (Div. 3) Editorial
6389 XOR-factorization bitmasks constructive algorithms dp greedy number theory Statement C Codeforces Global Round 31 (Div. 1 + Div. 2) {2180} PROGRAMMING 1500.0 Codeforces Global Round 31
4219 Insolvable Disks greedy math Statement D Codeforces Global Round 31 (Div. 1 + Div. 2) {2180} PROGRAMMING 1750.0 Codeforces Global Round 31
24457 Ashmal greedy strings Statement B Codeforces Global Round 31 (Div. 1 + Div. 2) {2180} PROGRAMMING 750.0 Codeforces Global Round 31
137 Elevator Against Humanity brute force constructive algorithms greedy sortings Statement E 2025-2026 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2181} PROGRAMMING Tutorial
8865 Christmas Tree Decoration combinatorics dp greedy math Statement D Educational Codeforces Round 186 (Rated for Div. 2) {2182} PROGRAMMING Educational Codeforces Round 186 Editorial
5509 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
25154 New Year String greedy implementation strings Statement A Educational Codeforces Round 186 (Rated for Div. 2) {2182} PROGRAMMING Educational Codeforces Round 186 Editorial
10580 War Strategy binary search greedy math two pointers Statement C Hello 2026 {2183} PROGRAMMING 1500.0
2482 Tree Coloring (Hard Version) constructive algorithms data structures dfs and similar greedy implementation trees Statement D2 Hello 2026 {2183} PROGRAMMING 2000.0
8742 Tree Coloring (Easy Version) constructive algorithms dfs and similar greedy trees Statement D1 Hello 2026 {2183} PROGRAMMING 1000.0
15693 Restricted Sorting binary search constructive algorithms greedy sortings Statement A Codeforces Round 1077 (Div. 1) {2187} PROGRAMMING 750.0 Codeforces Round 1077 (Div. 1, Div. 2) Editorial
204 Al Fine (Maximizing Version) binary search data structures divide and conquer greedy trees Statement F1 Codeforces Round 1077 (Div. 1) {2187} PROGRAMMING 2000.0 Codeforces Round 1077 (Div. 1, Div. 2) Editorial
1337 Jerry and Tom data structures dfs and similar games graphs greedy trees Statement C Codeforces Round 1077 (Div. 1) {2187} PROGRAMMING 1750.0 Codeforces Round 1077 (Div. 1, Div. 2) Editorial
1907 Little String (Hard Version) binary search combinatorics dp greedy math number theory Statement D2 Codeforces Round 1075 (Div. 2) {2189} PROGRAMMING 750.0 Codeforces Round 1075 (Div. 2) Editorial
809 Majority Wins? dp greedy math strings Statement E Codeforces Round 1075 (Div. 2) {2189} PROGRAMMING 2500.0 Codeforces Round 1075 (Div. 2) Editorial
24224 Table with Numbers greedy implementation Statement A Codeforces Round 1075 (Div. 2) {2189} PROGRAMMING 500.0 Codeforces Round 1075 (Div. 2) Editorial
15132 The Curse of the Frog greedy math Statement B Codeforces Round 1075 (Div. 2) {2189} PROGRAMMING 1000.0 Codeforces Round 1075 (Div. 2) Editorial
1280 Comparable Permutations binary search greedy interactive sortings two pointers Statement C Codeforces Round 1073 (Div. 1) {2190} PROGRAMMING 1750.0 Codeforces Round 1073 (Div. 1, Div. 2) Editorial
10517 Sub-RBS (Easy Version) combinatorics constructive algorithms dp greedy strings two pointers Statement B1 Codeforces Round 1073 (Div. 1) {2190} PROGRAMMING 750.0 Codeforces Round 1073 (Div. 1, Div. 2) Editorial
10768 All-in-one Gun binary search greedy math Statement C Codeforces Round 1081 (Div. 2) {2192} PROGRAMMING 1250.0 Codeforces Round 1081 (Div. 2) Editorial
2005 Swap to Rearrange constructive algorithms dfs and similar graph matchings graphs greedy strings Statement E Codeforces Round 1081 (Div. 2) {2192} PROGRAMMING 2250.0 Codeforces Round 1081 (Div. 2) Editorial