
Problem Name 
Online Judge 
Year 
Contest 
Difficulty Level 
1 
Aibohphobia 
SPOJ 


1 
2 
Longest Common Subsequence 
UVA 


1 
3 
History Grading 
UVA 


1 
4 
Crosscountry 
SPOJ 


1 
5 
Is Bigger Smarter? 
UVA 


1 
6 
Common Subsequence 
PKU 


1 
7 
Advanced Fruits 
SPOJ 


1 
8 
Palindrome 2000 
SPOJ 


1 
9 
Common Subsequence 
TJU 


1 
10 
DNA Sequences 
SPOJ 


1 
11 
The Knapsack Problem 
SPOJ 


1 
12 
XMEN 
SPOJ 


2 
13 
Prince and Princess 
UVA 


2 
14 
Gargari and Permutations 
Codeforces 

Codeforces Round #264 (Div. 2) 
3 
15 
Lucky Common Subsequence 
Codeforces 

Codeforces Round #201 (Div. 1) & Codeforces Round #201 (Div. 2) 
5 
16 
LCS Again 
Codeforces 

Codeforces Round #320 (Div. 1) [Bayan ThanksRound] & Codeforces Round #320 (Div. 2) [Bayan ThanksRound] 
8 
17 
klongest Common Sequence 
Live Archive 
2003 
Asia  Beijing 
10 