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FFT problems
Problem Name Online Judge Contest Difficulty Level
1 Fast Multiplication Categories SPOJ 1
2 Polynomial Multiplication Categories SPOJ 2
3 Very Fast Multiplication Categories SPOJ 2
4 Maximum Self-Matching Categories SPOJ 3
5 Arithmetic Progressions Categories CodeChef 3
6 Furik and Rubik and Sub Array Categories CodeChef 3
7 Golf Bot Categories UVA 5
8 Buying Land Categories CodeChef 6
9 DZY Loves FFT Categories Codeforces Codeforces Round #254 (Div. 1) & Codeforces Round #254 (Div. 2) 7
10 Thief in a Shop Categories Codeforces Educational Codeforces Round 9 7
11 Binary Table Categories Codeforces CROC 2016 - Final Round [Private, For Onsite Finalists Only] 7
12 Fuzzy Search Categories Codeforces Codeforces Round #296 (Div. 1) 7
13 Painting Square Categories Codeforces Codeforces Round #181 (Div. 2) 8
14 The Child and Binary Tree Categories Codeforces Codeforces Round #250 (Div. 1) 8
15 Design New Capital Categories UVA 8
16 Ladies' Shop Categories Codeforces Codeforces Round #176 (Div. 1) 8
17 Transforming Sequence Categories Codeforces AIM Tech Round (Div. 1) 9
18 Tile Cutting Categories UVA 9
19 Design Tutorial: Increase the Constraints Categories Codeforces Codeforces Round #270 9
20 Dasha and cyclic table Categories Codeforces Codeforces Round #390 (Div. 2) 9
21 Days of Floral Colours Categories Codeforces Codeforces Round #431 (Div. 1) 10
22 Nephren Runs a Cinema Categories Codeforces Codeforces Round #449 (Div. 1) 10
23 Kyoya and Train Categories Codeforces Codeforces Round #309 (Div. 1) 10