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2193 Kuro and GCD and XOR and SUM binary search bitmasks brute force data structures dp dsu greedy math number theory strings trees Statement D Codeforces Round 482 (Div. 2) {979} PROGRAMMING 1750.0 Codeforces Round #482 (Div. 2) Editorial 2200
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
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
6118 Choosing flowers binary search data structures greedy math sortings two pointers Statement C Codeforces Round 657 (Div. 2) {1379} PROGRAMMING 1250.0 Codeforces Round #657 Editorial 2000
11062 Pinkie Pie Eats Patty-cakes binary search constructive algorithms data structures greedy math sortings Statement C Codeforces Round 662 (Div. 2) {1393} PROGRAMMING 1500.0 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
3823 Three Sequences binary search data structures greedy math Statement D Codeforces Round 670 (Div. 2) {1406} PROGRAMMING 2000.0 Codeforces Round #670 (Div. 2) Editorial
4242 Carrots for Rabbits binary search data structures greedy math Statement E Codeforces Raif Round 1 (Div. 1 + Div. 2) {1428} PROGRAMMING 1750.0 Codeforces Raif Round 1 Editorial
18490 Equalize the Array binary search data structures greedy math sortings Statement F Codeforces Round 702 (Div. 3) {1490} PROGRAMMING Codeforces Round #702 (Div. 3) Editorial
4235 Pchelyonok and Segments binary search data structures dp greedy math Statement E Codeforces Round 750 (Div. 2) {1582} PROGRAMMING 2500.0 Codeforces Round #750 (Div.2) Editorial
1944 Trader Problem binary search data structures dsu greedy math sortings Statement G Codeforces Round 760 (Div. 3) {1618} PROGRAMMING Codeforces Round #760 (Div. 3) Editorial
5359 New Year Concert binary search data structures dp greedy math number theory two pointers Statement D Codeforces Round 769 (Div. 2) {1632} PROGRAMMING 2000.0 Editorial of Codeforces Round #769
4475 Rescheduling the Exam binary search data structures greedy implementation math sortings Statement E Codeforces Round 776 (Div. 3) {1650} PROGRAMMING 100712
6289 Permutation Restoration binary search data structures greedy math sortings Statement D Educational Codeforces Round 131 (Rated for Div. 2) {1701} PROGRAMMING Educational Codeforces Round 131 Editorial
1663 Bracket Cost binary search data structures divide and conquer dp greedy strings Statement E CodeTON Round 3 (Div. 1 + Div. 2, Rated, Prizes!) {1750} PROGRAMMING 2250.0 CodeTON Round 3 (Div. 1 + Div. 2) Editorial
5533 Restore the Permutation binary search data structures greedy math Statement G Codeforces Round 834 (Div. 3) {1759} PROGRAMMING 109254
4523 All Possible Digits binary search data structures greedy math number theory Statement F Codeforces Round 834 (Div. 3) {1759} PROGRAMMING 109254
1034 The Boss's Identity binary search bitmasks data structures dfs and similar greedy math sortings Statement F Codeforces Round 882 (Div. 2) {1847} PROGRAMMING 3000.0 Tutorial
24991 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
5189 Lonely Mountain Dungeons binary search brute force data structures greedy math ternary search Statement D Codeforces Round 924 (Div. 2) {1928} PROGRAMMING 1750.0 Codeforces Round 924 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
16905 Cat, Fox and the Lonely Array binary search bitmasks data structures greedy math two pointers Statement B Codeforces Round 945 (Div. 2) {1973} PROGRAMMING 1000.0 Editorial for Codeforces Round #945 (Div. 2) 1300
10197 Bouquet (Hard Version) binary search data structures greedy math sortings two pointers Statement B2 Codeforces Round 961 (Div. 2) {1995} PROGRAMMING 500.0 Video Tutorial
2290 Eliminating Balls With Merging (Easy Version) binary search brute force data structures divide and conquer dp greedy math Statement E1 Codeforces Round 965 (Div. 2) {1998} PROGRAMMING 1750.0 Video Tutorial
7536 Minimize the Difference binary search data structures greedy implementation math Statement D Codeforces Round 973 (Div. 2) {2013} PROGRAMMING 2000.0 134298
241 Complex Segments (Easy Version) binary search data structures divide and conquer dsu greedy math sortings Statement E1 Codeforces Round 975 (Div. 1) {2018} PROGRAMMING 2250.0 Editorial of Codeforces Round 975 (Div. 1, Div. 2)
206 Complex Segments (Hard Version) binary search data structures divide and conquer dsu greedy math sortings Statement E2 Codeforces Round 975 (Div. 1) {2018} PROGRAMMING 750.0 Editorial of Codeforces Round 975 (Div. 1, Div. 2)
5853 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
11304 Sums on Segments binary search brute force data structures dp greedy math Statement C Educational Codeforces Round 173 (Rated for Div. 2) {2043} PROGRAMMING Educational Codeforces Round 173 Editorial
7728 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
2282 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
5083 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
1291 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
15065 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
4763 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
1111 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
291 Fuzzy Concatenation (Easy Version) binary search bitmasks brute force data structures greedy string suffix structures Statement E1 Codeforces Round 1079 (Div. 1) {2196} PROGRAMMING 2000.0 Tutorial
206 Fuzzy Concatenation (Hard version) binary search data structures dp greedy string suffix structures Statement E2 Codeforces Round 1079 (Div. 1) {2196} PROGRAMMING 1000.0 Tutorial
6937 Mental Monumental (Easy Version) binary search data structures greedy math two pointers Statement C Codeforces Round 1095 (Div. 2) {2226} PROGRAMMING 1500.0 Codeforces Round 1095 (Div. 2) Editorial
1150 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