Contest Name: 30701 - ra7 feen zaman elsha2awa ya, ya 7sen (21 days, 6 hrs and 26 mins)

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Problem Name Online Judge Contest
1 P1 - Road to Post Office Codeforces Educational Codeforces Round 15
2 P2 - Anagram Search Codeforces Codeforces Round #103 (Div. 2)
3 P3 - New Year Contest Codeforces Codeforces Round #100
4 P4 - Name Quest Codeforces VK Cup 2015 - Qualification Round 2
5 P5 - Running with Obstacles Codeforces VK Cup 2016 - Qualification Round 1
6 P6 - Jumping Jack Codeforces Codeforces Beta Round #11
7 P7 - Wizards and Trolleybuses Codeforces Codeforces Round #114 (Div. 1) & Codeforces Round #114 (Div. 2)
8 P8 - New Year Cards Codeforces Codeforces Round #100
9 P9 - Correcting Mistakes Codeforces VK Cup 2015 - Round 2 (unofficial online mirror, Div. 1 only)
10 P10 - Social Network Codeforces VK Cup 2015 - Round 1
11 P11 - Dreamoon and Strings Codeforces Codeforces Round #272 (Div. 2) & Codeforces Round #272 (Div. 1)
12 P12 - Industrial Nim Codeforces Codeforces Beta Round #15
13 P13 - Before Exam Codeforces Codeforces Beta Round #90
14 P14 - Bear and Polynomials Codeforces VK Cup 2016 - Round 1
15 P15 - Polycarp and Hay Codeforces Codeforces Round #346 (Div. 2)
16 P16 - Plane of Tanks: Pro Codeforces Codeforces Round #115
17 P17 - Distributing Parts Codeforces Codeforces Round #283 (Div. 2)
18 P18 - Checkout Assistant Codeforces Codeforces Beta Round #19
19 P19 - Unsorting Array Codeforces Codeforces Round #153 (Div. 2)
20 P20 - Event Dates Codeforces School Team Contest #3 (Winter Computer School 2010/11)
21 P21 - Xor-sequences Codeforces Educational Codeforces Round 14
22 P22 - ucyhf Codeforces April Fools Day Contest
23 P23 - Corporation Mail Codeforces Codeforces Beta Round #52 (Div. 2)
24 P24 - Coins Codeforces Codeforces Beta Round #44 (Div. 2)
25 P25 - Restoring IPv6 Codeforces CROC-MBTU 2012, Final Round (Online version, Div. 2)
26 P26 - Extra-terrestrial Intelligence Codeforces Codeforces Beta Round #36
27 P27 - Data Recovery Codeforces Coder-Strike 2014 - Round 2
28 P28 - Measuring Lengths in Baden Codeforces Codeforces Testing Round #2