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929 Tricky and Clever Password binary search constructive algorithms data structures greedy hashing strings Statement E Codeforces Beta Round 30 (Codeforces format) {30} PROGRAMMING Codeforces Beta Round #30. Tutorial for problem A 2700
614 Biathlon Track binary search brute force constructive algorithms data structures dp Statement D Codeforces Round 242 (Div. 2) {424} PROGRAMMING Codeforces Round #242 (Div. 2) Editorial 2200
3088 Sign on Fence binary search constructive algorithms data structures Statement E Codeforces Round 276 (Div. 1) {484} PROGRAMMING Codeforces Round #276 — Editorial 2700
2577 Handshakes binary search constructive algorithms data structures greedy Statement D Codeforces Round 298 (Div. 2) {534} PROGRAMMING 2000
623 Startup Funding binary search constructive algorithms data structures probabilities two pointers Statement E Manthan, Codefest 16 {633} PROGRAMMING Manthan, Codefest 16: Editorials 2400
24006 Chat Order *special binary search constructive algorithms data structures sortings Statement B VK Cup 2016 - Qualification Round 1 {637} PROGRAMMING 1500
1260 Vasya and Maximum Profit binary search constructive algorithms data structures dp dsu Statement G Educational Codeforces Round 59 (Rated for Div. 2) {1107} PROGRAMMING Educational Codeforces Round 59 Editorial 2400
7296 Irreducible Anagrams binary search constructive algorithms data structures strings two pointers Statement B Codeforces Round 616 (Div. 1) {1290} PROGRAMMING 1000.0 Codeforces Round #616 Editorial 1900
4670 Present binary search bitmasks constructive algorithms data structures math sortings Statement B Codeforces Round 626 (Div. 1, based on Moscow Open Olympiad in Informatics) {1322} PROGRAMMING 1000.0 Codeforces Round #626 Editorial
6380 Multiple Testcases binary search constructive algorithms data structures greedy sortings two pointers Statement D Educational Codeforces Round 86 (Rated for Div. 2) {1342} PROGRAMMING 76633 1900
11078 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
1056 Game with Cards binary search constructive algorithms data structures dp implementation Statement E Codeforces Round 727 (Div. 2) {1539} PROGRAMMING 2000.0 tutorial 2500
7076 Array Stabilization (GCD version) binary search constructive algorithms data structures number theory two pointers Statement F Codeforces Round 731 (Div. 3) {1547} PROGRAMMING Codeforces Round #731 (Div. 3) Editorial
16747 Wonderful Coloring - 2 binary search constructive algorithms data structures greedy Statement B2 Codeforces Round 734 (Div. 3) {1551} PROGRAMMING Editorial for Codeforces Round #734 (Div.3)
2255 Two Hundred Twenty One (hard version) binary search constructive algorithms data structures dp math Statement D2 Codeforces Round 741 (Div. 2) {1562} PROGRAMMING 1250.0 Editorial of Codeforces Round 741 (Div. 2)
7621 Max GEQ Sum binary search constructive algorithms data structures divide and conquer implementation sortings two pointers Statement D CodeCraft-22 and Codeforces Round 795 (Div. 2) {1691} PROGRAMMING 1750.0 Editorial for CodeCraft-22 and Codeforces Round #795 (Div. 2)
6044 Permutation Graph binary search constructive algorithms data structures greedy shortest paths trees Statement D Codeforces Global Round 21 {1696} PROGRAMMING 2000.0 Editorial of Codeforces Global Round 21
5627 Yet Another Problem binary search bitmasks constructive algorithms data structures Statement D Codeforces Round 832 (Div. 2) {1747} PROGRAMMING 1750.0 Codeforces Round #832 (Div. 2) Editorial
3218 Trees and Segments binary search brute force constructive algorithms data structures dp greedy two pointers Statement D Codeforces Round 893 (Div. 2) {1858} PROGRAMMING 2000.0 Codeforces Round #893 (Div. 2) Editorial 2200
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
4678 Cyclic MEX binary search constructive algorithms data structures implementation math two pointers Statement D Codeforces Round 915 (Div. 2) {1905} PROGRAMMING 2000.0 Codeforces Round 915 (Div. 2) Editorial
9853 Messenger in MAC binary search brute force constructive algorithms data structures dp sortings Statement C Codeforces Round 932 (Div. 2) {1935} PROGRAMMING 1500.0 Codeforces Round #932 (Div. 2) Editorial
917 Cook and Porridge binary search constructive algorithms data structures implementation Statement G Codeforces Round 935 (Div. 3) {1945} PROGRAMMING 127377
970 Inversion Composition binary search constructive algorithms data structures greedy Statement F Codeforces Global Round 25 {1951} PROGRAMMING 2750.0 Codeforces Global Round 25 Editorial
1833 Manhattan Triangle binary search constructive algorithms data structures geometry graphs two pointers Statement E Codeforces Round 951 (Div. 2) {1979} PROGRAMMING 2500.0 Codeforces Round 951 (Div. 2) Editorial
1171 Catch the Mole(Easy Version) binary search constructive algorithms data structures interactive trees Statement E1 Codeforces Round 960 (Div. 2) {1990} PROGRAMMING 2000.0 Video Tutorial
6278 Genokraken binary search constructive algorithms data structures graphs interactive trees two pointers Statement D Codeforces Round 983 (Div. 2) {2032} PROGRAMMING 1750.0 Codeforces Round 983 (Div. 2) Editorial
2936 Cheater binary search constructive algorithms data structures greedy Statement D Codeforces Round 1031 (Div. 2) {2113} PROGRAMMING 1750.0 Codeforces Round #1031 Editorial
812 Submedians (Hard Version) binary search constructive algorithms data structures two pointers Statement E2 Codeforces Round 1039 (Div. 2) {2128} PROGRAMMING 1750.0 Codeforces Round #1039 — Editorial
7420 Rae Taylor and Trees (hard version) binary search constructive algorithms data structures dp dsu implementation trees Statement F Codeforces Round 1065 (Div. 3) {2171} PROGRAMMING Codeforces Round 1065 (Div. 3) Editorial
2377 Definitely Larger binary search constructive algorithms data structures greedy Statement E Codeforces Round 1091 (Div. 2) and CodeCraft 26 {2217} PROGRAMMING 2000.0 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