Contest Name: 31620 - Let's Begin #2 (21 days, 14 hrs and 3 mins)

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Problem Name Online Judge Contest
1 P1 - Berland National Library Codeforces Codeforces Round #Pi (Div. 2)
2 P2 - Soldier and Badges Codeforces Codeforces Round #304 (Div. 2)
3 P3 - Spider Man Codeforces Codeforces Round #366 (Div. 2)
4 P4 - Spreadsheet Codeforces Codeforces Beta Round #1
5 P5 - Bear and Finding Criminals Codeforces Codeforces Round #356 (Div. 2)
6 P6 - Robot's Task Codeforces Codeforces Round #323 (Div. 2)
7 P7 - Text Document Analysis Codeforces Codeforces Round #375 (Div. 2)
8 P8 - Sale Codeforces Codeforces Beta Round #34 (Div. 2)
9 P9 - Dreamoon and WiFi Codeforces Codeforces Round #272 (Div. 2)
10 P10 - Pashmak and Flowers Codeforces Codeforces Round #261 (Div. 2)
11 P11 - Vanya and Lanterns Codeforces Codeforces Round #280 (Div. 2)
12 P12 - Tavas and SaDDas Codeforces Codeforces Round #299 (Div. 2)
13 P13 - Vanya and Books Codeforces Codeforces Round #308 (Div. 2)
14 P14 - Memory and Trident Codeforces Codeforces Round #370 (Div. 2)
15 P15 - Fedor and New Game Codeforces Codeforces Round #267 (Div. 2)
16 P16 - T-primes Codeforces Codeforces Round #142 (Div. 2)
17 P17 - Rebranding Codeforces Codeforces Round #327 (Div. 2)
18 P18 - Decoding Codeforces Codeforces Round #386 (Div. 2)
19 P19 - Parade Codeforces Codeforces Round #378 (Div. 2)
20 P20 - Lecture Codeforces Codeforces Round #284 (Div. 2)
21 P21 - Weird Rounding Codeforces Codeforces Round #402 (Div. 2)
22 P22 - Blown Garland Codeforces Codeforces Round #392 (Div. 2)
23 P23 - A and B and Compilation Errors Codeforces Codeforces Round #294 (Div. 2)
24 P24 - Books Codeforces Codeforces Round #171 (Div. 2)
25 P25 - Gerald is into Art Codeforces Codeforces Round #313 (Div. 2)
26 P26 - Equidistant String Codeforces Codeforces Round #303 (Div. 2)
27 P27 - Luxurious Houses Codeforces Codeforces Round #322 (Div. 2)
28 P28 - Urbanization Codeforces Codeforces Round #382 (Div. 2)
29 P29 - Passwords Codeforces Codeforces Round #374 (Div. 2)
30 P30 - Devu, the Dumb Guy Codeforces Codeforces Round #251 (Div. 2)
31 P31 - Worms Codeforces Codeforces Round #271 (Div. 2)
32 P32 - Fedya and Maths Codeforces Codeforces Round #260 (Div. 2)
33 P33 - Wet Shark and Bishops Codeforces Codeforces Round #341 (Div. 2)
34 P34 - Wilbur and Array Codeforces Codeforces Round #331 (Div. 2)
35 P35 - Lovely Palindromes Codeforces Codeforces Round #360 (Div. 2)
36 P36 - Game of Robots Codeforces Codeforces Round #350 (Div. 2)
37 P37 - Chris and Magic Square Codeforces Codeforces Round #369 (Div. 2)
38 P38 - Little Robber Girl's Zoo Codeforces Codeforces Round #359 (Div. 2)
39 P39 - Present from Lena Codeforces Codeforces Beta Round #89 (Div. 2)
40 P40 - Duff in Love Codeforces Codeforces Round #326 (Div. 2)
41 P41 - Cormen --- The Best Friend Of a Man Codeforces Codeforces Round #377 (Div. 2)
42 P42 - DZY Loves Strings Codeforces Codeforces Round #255 (Div. 2)
43 P43 - Beautiful Paintings Codeforces Codeforces Round #345 (Div. 2)
44 P44 - Caisa and Pylons Codeforces Codeforces Round #264 (Div. 2)
45 P45 - Cells Not Under Attack Codeforces Codeforces Round #364 (Div. 2)
46 P46 - Kefa and Company Codeforces Codeforces Round #321 (Div. 2)
47 P47 - Design Tutorial: Learn from Life Codeforces Codeforces Round #270
48 P48 - Little Pony and Sort by Shift Codeforces Codeforces Round #259 (Div. 2)
49 P49 - Anton and currency you all know Codeforces Codeforces Round #288 (Div. 2)
50 P50 - Chocolate Codeforces Codeforces Round #340 (Div. 2)
51 P51 - Amr and Pins Codeforces Codeforces Round #287 (Div. 2)
52 P52 - Buttons Codeforces Codeforces Round #164 (Div. 2)
53 P53 - Timofey and cubes Codeforces Codeforces Round #395 (Div. 2)
54 P54 - Alyona and Mex Codeforces Codeforces Round #358 (Div. 2)
55 P55 - Inbox (100500) Codeforces Codeforces Round #265 (Div. 2)
56 P56 - Simple Game Codeforces Codeforces Round #316 (Div. 2)
57 P57 - Bakery Codeforces Codeforces Round #368 (Div. 2)
58 P58 - Parallelogram is Back Codeforces Codeforces Round #388 (Div. 2)
59 P59 - Coupons and Discounts Codeforces Codeforces Round #376 (Div. 2)
60 P60 - Fence Codeforces Codeforces Round #211 (Div. 2)
61 P61 - Little Girl and Game Codeforces Codeforces Round #169 (Div. 2)
62 P62 - Drinks Codeforces Codeforces Round #126 (Div. 2)
63 P63 - Xenia and Ringroad Codeforces Codeforces Round #197 (Div. 2)
64 P64 - Case of Fake Numbers Codeforces Codeforces Round #310 (Div. 2)
65 P65 - Complete the Word Codeforces Codeforces Round #372 (Div. 2)
66 P66 - BerSU Ball Codeforces Codeforces Round #277.5 (Div. 2)
67 P67 - Chloe and the sequence Codeforces Codeforces Round #384 (Div. 2)
68 P68 - Sort the Array Codeforces Codeforces Round #258 (Div. 2)
69 P69 - Queue at the School Codeforces Codeforces Round #163 (Div. 2)
70 P70 - Anton and Classes Codeforces Codeforces Round #404 (Div. 2)
71 P71 - Sereja and Suffixes Codeforces Codeforces Round #215 (Div. 2)
72 P72 - Mahmoud and a Triangle Codeforces Codeforces Round #396 (Div. 2)
73 P73 - Unlucky Ticket Codeforces Codeforces Round #111 (Div. 2)
74 P74 - Economy Game Codeforces Codeforces Round #357 (Div. 2)
75 P75 - Interesting drink Codeforces Codeforces Round #367 (Div. 2)
76 P76 - Prison Transfer Codeforces Codeforces Round #244 (Div. 2)
77 P77 - Random Teams Codeforces Codeforces Round #273 (Div. 2)
78 P78 - Kolya and Tanya Codeforces Codeforces Round #324 (Div. 2)
79 P79 - Soldier and Bananas Codeforces Codeforces Round #304 (Div. 2)
80 P80 - Hungry Sequence Codeforces Codeforces Round #191 (Div. 2)
81 P81 - Meeting Codeforces Codeforces Round #103 (Div. 2)
82 P82 - Han Solo and Lazer Gun Codeforces Codeforces Round #291 (Div. 2)
83 P83 - Far Relative’s Problem Codeforces Codeforces Round #343 (Div. 2)
84 P84 - Quasi Binary Codeforces Codeforces Round #300
85 P85 - Different is Good Codeforces Codeforces Round #352 (Div. 2)
86 P86 - Ohana Cleans Up Codeforces Codeforces Round #309 (Div. 2)
87 P87 - Ilya and Queries Codeforces Codeforces Round #186 (Div. 2)
88 P88 - Filya and Homework Codeforces Codeforces Round #371 (Div. 2)
89 P89 - The Monster and the Squirrel Codeforces Codeforces Round #328 (Div. 2)
90 P90 - Anton and Digits Codeforces Codeforces Round #379 (Div. 2)
91 P91 - Jzzhu and Sequences Codeforces Codeforces Round #257 (Div. 2)
92 P92 - Roadside Trees (Simplified Edition) Codeforces Codeforces Round #162 (Div. 2)
93 P93 - Two Buttons Codeforces Codeforces Round #295 (Div. 2)
94 P94 - Simple Molecules Codeforces Codeforces Round #200 (Div. 2)
95 P95 - Arpa’s obvious problem and Mehrdad’s terrible solution Codeforces Codeforces Round #383 (Div. 2)
96 P96 - Ciel and Flowers Codeforces Codeforces Round #190 (Div. 2)
97 P97 - Valera and Fruits Codeforces Codeforces Round #252 (Div. 2)
98 P98 - Bash's Big Day Codeforces Codecraft-17 and Codeforces Round #391 (Div. 1 + Div. 2, combined)
99 P99 - Fox And Two Dots Codeforces Codeforces Round #290 (Div. 2)
100 P100 - Opposites Attract Codeforces Codeforces Beta Round #95 (Div. 2)
101 P101 - Lucky Substring Codeforces Codeforces Beta Round #91 (Div. 2 Only)