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MO?s Algorithm (Query square root decomposition) problems
Problem Name Online Judge Contest Difficulty Level
1 D-query Categories SPOJ 1
2 Mr. Kitayuta's Colorful Graph Categories Codeforces Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2) & Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2) 2
3 GCD 2010 Categories Timus 3
4 Little Elephant and Array Categories Codeforces Codeforces Round #136 (Div. 1) & Codeforces Round #136 (Div. 2) 3
5 Zero Query Categories SPOJ 3
6 Powerful array Categories Codeforces Yandex.Algorithm 2011 Round 2 3
7 Gao on a tree Categories SPOJ 3
8 Xenia and Tree Categories Codeforces Codeforces Round #199 (Div. 2) 4
9 XOR and Favorite Number Categories Codeforces Codeforces Round #340 (Div. 2) 4
10 Tree and Queries Categories Codeforces Codeforces Round #221 (Div. 1) 5
11 Little Artem and Time Machine Categories Codeforces VK Cup 2016 - Round 2 5
12 Counting diff-pairs Categories SPOJ 6
13 Ada and Numbering Categories SPOJ 6
14 DZY Loves Colors Categories Codeforces Codeforces Round #254 (Div. 1) & Codeforces Round #254 (Div. 2) 6
15 Serega and Fun Categories Codeforces Codeforces Round #260 (Div. 1) 6
16 DZY Loves Fibonacci Numbers Categories Codeforces Codeforces Round #255 (Div. 1) & Codeforces Round #255 (Div. 2) 6
17 Holidays Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 6
18 Holes Categories Codeforces Codeforces Beta Round #13 6
19 Subset Sums Categories Codeforces Codeforces Round #202 (Div. 1) & Codeforces Round #202 (Div. 2) 7
20 Instant Messanger Categories Codeforces Codeforces Round #233 (Div. 1) 8
21 Destiny Categories Codeforces Codeforces Round #429 (Div. 1) 8
22 Jeff and Removing Periods Categories Codeforces Codeforces Round #204 (Div. 1) 8
23 Conveyor Belts Categories Codeforces Codeforces Round #278 (Div. 1) 8
24 Ann and Books Categories Codeforces Codeforces Round #442 (Div. 2) 8