
Problem Name 
Online Judge 
Contest 
Difficulty Level 
1 
Fast Multiplication 
SPOJ 

1 
2 
Polynomial Multiplication 
SPOJ 

2 
3 
Very Fast Multiplication 
SPOJ 

2 
4 
Furik and Rubik and Sub Array 
CodeChef 

3 
5 
Maximum SelfMatching 
SPOJ 

3 
6 
Arithmetic Progressions 
CodeChef 

3 
7 
Golf Bot 
UVA 

5 
8 
Buying Land 
CodeChef 

6 
9 
Fuzzy Search 
Codeforces 
Codeforces Round #296 (Div. 1) 
7 
10 
Binary Table 
Codeforces 
CROC 2016  Final Round [Private, For Onsite Finalists Only] 
7 
11 
DZY Loves FFT 
Codeforces 
Codeforces Round #254 (Div. 1) & Codeforces Round #254 (Div. 2) 
7 
12 
Thief in a Shop 
Codeforces 
Educational Codeforces Round 9 
7 
13 
The Child and Binary Tree 
Codeforces 
Codeforces Round #250 (Div. 1) 
8 
14 
Painting Square 
Codeforces 
Codeforces Round #181 (Div. 2) 
8 
15 
Ladies' Shop 
Codeforces 
Codeforces Round #176 (Div. 1) 
8 
16 
Design New Capital 
UVA 

8 
17 
Dasha and cyclic table 
Codeforces 
Codeforces Round #390 (Div. 2) 
9 
18 
Tile Cutting 
UVA 

9 
19 
Design Tutorial: Increase the Constraints 
Codeforces 
Codeforces Round #270 
9 
20 
Transforming Sequence 
Codeforces 
AIM Tech Round (Div. 1) 
9 
21 
Nephren Runs a Cinema 
Codeforces 
Codeforces Round #449 (Div. 1) 
10 
22 
Kyoya and Train 
Codeforces 
Codeforces Round #309 (Div. 1) 
10 
23 
Days of Floral Colours 
Codeforces 
Codeforces Round #431 (Div. 1) 
10 