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2771 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
17195 Big Vova brute force greedy math number theory Statement B Codeforces Round 669 (Div. 2) {1407} PROGRAMMING 1000.0 Codeforces Round #669 Editorial
25857 AvtoBus brute force greedy math number theory Statement A Codeforces Round 791 (Div. 2) {1679} PROGRAMMING 500.0 Codeforces Round #791 (Div. 2) Editorial
3089 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
1651 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
9206 Lucky Chains brute force dp greedy math number theory Statement D Educational Codeforces Round 139 (Rated for Div. 2) {1766} PROGRAMMING 110066
19048 GCD Partition brute force greedy math number theory Statement B Codeforces Round 846 (Div. 2) {1780} PROGRAMMING 1000.0 111841
12496 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
28667 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)
11661 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
14359 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
20683 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
8893 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
3381 Prefix GCD brute force dp greedy math number theory Statement E Codeforces Round 973 (Div. 2) {2013} PROGRAMMING 2500.0
15396 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
2720 Common Generator brute force constructive algorithms greedy math number theory Statement E Refact.ai Match 1 (Codeforces Round 985) {2029} PROGRAMMING 2500.0