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2654 Vasily the Bear and Sequence brute force greedy implementation number theory Statement C Codeforces Round 195 (Div. 2) {336} PROGRAMMING Tutorial Codeforces Round #195 (Div. 2) 1800
5861 Vanya and Scales brute force dp greedy math meet-in-the-middle number theory Statement C Codeforces Round 308 (Div. 2) {552} PROGRAMMING Codeforces #308 (Div. 2) Editorial 1800
4613 Block Towers brute force greedy math number theory Statement C 8VC Venture Cup 2016 - Elimination Round {626} PROGRAMMING 23522 1600
3282 My pretty girl Noora brute force dp greedy math number theory Statement D Codeforces Round 422 (Div. 2) {822} PROGRAMMING Codeforces Round #422 (Div. 2) Editorial 1800
14178 Pride brute force dp greedy math number theory Statement A Codeforces Round 446 (Div. 1) {891} PROGRAMMING Codeforces Round #446 Editorial 1600
5125 Too Easy Problems binary search brute force data structures greedy sortings Statement D Hello 2018 {913} PROGRAMMING Tutorial 1800
2171 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
8497 Weakened Common Divisor brute force greedy number theory Statement B Codeforces Round 505 (rated, Div. 1 + Div. 2, based on VK Cup 2018 Final) {1025} PROGRAMMING Codeforces Round #505 Editorial 1600
25136 Divisors of Two Integers brute force greedy math number theory Statement B Codeforces Round 535 (Div. 3) {1108} PROGRAMMING 64751 1100
3247 Minimum Possible LCM brute force greedy math number theory Statement G Codeforces Round 552 (Div. 3) {1154} PROGRAMMING Codeforces Round #552 (Div. 3) Editorial 2400
18917 Composite Coloring brute force constructive algorithms greedy math number theory Statement B Codeforces Round 630 (Div. 2) {1332} PROGRAMMING 1000.0 Codeforces Round #630 Editorial 1500
5803 Necklace Assembly binary search brute force dp greedy number theory Statement E Codeforces Round 650 (Div. 3) {1367} PROGRAMMING Codeforces Round #650 (Div. 3) Editorial
64005 Maximum GCD brute force greedy implementation number theory Statement A Codeforces Round 651 (Div. 2) {1370} PROGRAMMING 500.0 Editorial — Codeforces Round #651
2946 Sum of Digits brute force constructive algorithms dp greedy math number theory Statement E Educational Codeforces Round 90 (Rated for Div. 2) {1373} PROGRAMMING Educational Codeforces Round 90 Editorial
18051 Big Vova brute force greedy math number theory Statement B Codeforces Round 669 (Div. 2) {1407} PROGRAMMING 1000.0 Codeforces Round #669 Editorial
34131 Array Reodering brute force greedy math number theory sortings Statement B Educational Codeforces Round 110 (Rated for Div. 2) {1535} PROGRAMMING 91481
5337 Array Stabilization (AND version) binary search brute force graphs greedy implementation math number theory shortest paths Statement F Codeforces Round 744 (Div. 3) {1579} PROGRAMMING Codeforces Round #744 (Div. 3) Editorial
39744 AvtoBus brute force greedy math number theory Statement A Codeforces Round 791 (Div. 2) {1679} PROGRAMMING 500.0 Codeforces Round #791 (Div. 2) Editorial
7706 Chopping Carrots (Easy Version) binary search brute force constructive algorithms dp greedy number theory Statement D1 Codeforces Round 809 (Div. 2) {1706} PROGRAMMING 1000.0 Codeforces Round #809 Editorial
3449 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
1851 Tonya and Burenka-179 brute force data structures greedy math number theory Statement C Codeforces Round 814 (Div. 1) {1718} PROGRAMMING 1250.0 Codeforces Round #814 (Div. 1, Div. 2) Editorial
2025 Red-Black Pepper binary search brute force greedy math number theory sortings ternary search Statement E Educational Codeforces Round 135 (Rated for Div. 2) {1728} PROGRAMMING 106805
33836 Coprime brute force greedy number theory Statement D Codeforces Round 827 (Div. 4) {1742} PROGRAMMING 107962
10500 Lucky Chains brute force dp greedy math number theory Statement D Educational Codeforces Round 139 (Rated for Div. 2) {1766} PROGRAMMING 110066
25785 GCD Partition brute force greedy math number theory Statement B Codeforces Round 846 (Div. 2) {1780} PROGRAMMING 1000.0 111841
13808 Pull Your Luck brute force greedy math number theory Statement C Nebius Welcome Round (Div. 1 + Div. 2) {1804} PROGRAMMING 1000.0 Nebius Welcome Round Editorial
44554 Longest Divisors Interval brute force combinatorics greedy math number theory Statement B Codeforces Round 889 (Div. 2) {1855} PROGRAMMING 1000.0 Editorial of Codeforces Round 889 (Div. 1 + Div. 2)
12999 The Walkway brute force greedy implementation math number theory Statement B Codeforces Round 893 (Div. 2) {1858} PROGRAMMING 1250.0 Codeforces Round #893 (Div. 2) Editorial 1500
1209 Two Permutations (Easy Version) brute force constructive algorithms greedy number theory Statement E1 Codeforces Round 899 (Div. 2) {1882} PROGRAMMING 2000.0 Codeforces Round 899 (Div. 2) Editorial
16915 Insert and Equalize brute force constructive algorithms greedy math number theory Statement C Educational Codeforces Round 159 (Rated for Div. 2) {1902} PROGRAMMING Educational Codeforces Round 159 Editorial
23069 A Balanced Problemset? brute force greedy math number theory Statement B Codeforces Round 921 (Div. 2) {1925} PROGRAMMING 1000.0 Codeforces Round 921 (Div. 1, Div. 2) Editorial
8011 Nikita and LCM brute force data structures dp greedy math number theory sortings Statement C Codeforces Round 948 (Div. 2) {1977} PROGRAMMING 1750.0 129858 1900
10254 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
6645 Sakurako's Task binary search brute force greedy math number theory Statement G Codeforces Round 970 (Div. 3) {2008} PROGRAMMING Codeforces Round 970 (Div. 3) Editorial
3580 Sakurako's Test binary search brute force greedy math number theory Statement H Codeforces Round 970 (Div. 3) {2008} PROGRAMMING Codeforces Round 970 (Div. 3) Editorial
4199 Prefix GCD brute force dp greedy math number theory Statement E Codeforces Round 973 (Div. 2) {2013} PROGRAMMING 2500.0 134298
18751 Maximize Mex brute force greedy math number theory Statement B Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round) {2021} PROGRAMMING 750.0 Codeforces Round #977 (Div. 2, based on COMPFEST 16 — Final Round) Editorial
3520 Common Generator brute force constructive algorithms greedy math number theory Statement E Refact.ai Match 1 (Codeforces Round 985) {2029} PROGRAMMING 2500.0 Refact.ai Match 1 (Codeforces Round 985) Editorial
5833 Non Prime Tree brute force constructive algorithms dfs and similar greedy number theory trees two pointers Statement D Codeforces Round 992 (Div. 2) {2040} PROGRAMMING 2000.0 Codeforces Round #992 (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
14807 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
877 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
5237 Divisibility Game brute force games greedy number theory Statement D Educational Codeforces Round 187 (Rated for Div. 2) {2203} PROGRAMMING Educational Codeforces Round 187 Editorial