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Problem set. Volume 12
Solved problems:
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Volume 11
ID
Title
Source
Authors
Difficulty
2100
Wedding Dinner
Ural FU Junior Championship 2016
7171
29
2111
Plato
University academic school olympiad in informatics 2019
2164
70
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
1311
106
2142
Magic
Ural School Programming Contest 2019
1146
122
2102
Michael and Cryptography
Ural FU Junior Championship 2016
1442
141
2149
Pigeonhole Principle
Ural School Programming Contest 2019
958
145
2105
Alice and Bob are on Bikes
Ural FU Junior Championship 2016
982
207
2115
The Knowledge Day
University academic school olympiad in informatics 2019
691
217
2144
Cleaning the Room
Ural School Programming Contest 2019
631
219
2141
Sasha Vilkin
Ural School Programming Contest 2019
560
247
2104
Game with a Strip
Ural FU Junior Championship 2016
559
360
2145
Olympiad for Everyone
Ural School Programming Contest 2019
367
373
2113
Survive the flood
University academic school olympiad in informatics 2019
356
415
2108
Oleg and Little Ponies
Ural FU Junior Championship 2016
446
450
2148
Insane Shot
Ural School Programming Contest 2019
282
482
2167
Cipher Message 5
Ural School Programming Contest 2022
122
490
2109
Tourism on Mars
Ural FU Junior Championship 2016
382
523
2117
Polyphemus' triples
University academic school olympiad in informatics 2019
274
535
2156
Interesting Conversations
Ural School Programming Contest 2020
169
638
2146
Quiz Show
Ural School Programming Contest 2019
206
651
2143
Victoria!
Ural School Programming Contest 2019
203
660
2172
Meta-statement 2
Ural School Programming Contest 2022
80
719
2121
Intersection of Parabolas
Petrozavodsk Summer 2018. umnik_team Contest
198
721
2161
Mount & Blade
Ural School Programming Contest 2021
76
752
2112
Battle log
University academic school olympiad in informatics 2019
185
780
2119
Tree Hull
Petrozavodsk Summer 2018. umnik_team Contest
176
806
2173
Meta-statement 3
Ural School Programming Contest 2022
68
829
2116
He is not a knight for you
University academic school olympiad in informatics 2019
169
849
2182
Broken Rum
Ural School Programming Contest 2024
30
911
2151
Mahjong
Ural School Programming Contest 2020
114
922
2183
Good Mood
Ural School Programming Contest 2024
29
934
2153
Perfect Squad
Ural School Programming Contest 2020
112
937
2130
Alice + Bob
Later is better than never
145
939
2129
Mortgage in Far Away Kingdom
Later is better than never
140
970
2135
Pauline and commits
Later is better than never
140
970
2114
My craft
University academic school olympiad in informatics 2019
145
981
2194
Snakes&Snakes
ICPC Ural Regional Contest Qualifier 2023
27
985
2128
Rubina's Solitaire
Later is better than never
137
990
2110
Remove or Maximize
Ural FU Junior Championship 2016
194
1005
2123
Knapsack
Petrozavodsk Summer 2018. umnik_team Contest
137
1020
2155
Quadrocopter
Ural School Programming Contest 2020
101
1030
2174
Dualism of Numbers
Ural School Programming Contest 2023
25
1041
2106
Deserialization
Ural FU Junior Championship 2016
185
1052
2152
Tax Fees
Ural School Programming Contest 2020
93
1110
2150
4B and Zoo
Ural School Programming Contest 2020
92
1120
2162
Graphmania
Ural School Programming Contest 2021
47
1134
2140
BitMazeCraft
Ural School Programming Contest 2019
111
1162
2103
Corporate Mail
Ural FU Junior Championship 2016
162
1192
2160
Meta-statement
Ural School Programming Contest 2021
44
1198
2176
Wonderful Numbers
Ural School Programming Contest 2023
19
1257
2157
Skydiving
Ural School Programming Contest 2020
79
1284
2163
Interview
Ural School Programming Contest 2021
40
1292
2124
Algebra on Segment
Petrozavodsk Summer 2018. umnik_team Contest
101
1351
2175
Staircase
Ural School Programming Contest 2023
16
1400
2189
I Don't Like These Sailors!
Ural School Programming Contest 2024
16
1401
2171
Two Progressions 2
Ural School Programming Contest 2022
35
1436
2159
Essay
Ural School Programming Contest 2021
35
1438
2192
My Grandfather
ICPC Ural Regional Contest Qualifier 2022
15
1458
2132
Graph Decomposition. Version 2
Later is better than never
88
1485
2118
Cipher Message 4
Petrozavodsk Summer 2018. umnik_team Contest
90
1500
2107
Oppa Funcan Style
Ural FU Junior Championship 2016
123
1542
2198
Deep Understanding
ICPC Ural Regional Contest Qualifier 2024
13
1581
2184
Flint's Favorite Number
Ural School Programming Contest 2024
12
1655
2199
Company Question
ICPC Ural Regional Contest Qualifier 2024
12
1657
2126
Partition into Teams
Petrozavodsk Summer 2018. umnik_team Contest
80
1667
2134
Stampman
Later is better than never
77
1672
2170
Experiment with Juice 2
Ural School Programming Contest 2022
28
1701
2190
Match of the Millennium
ICPC Ural Regional Contest Qualifier 2022
11
1736
2158
Two progressions
Ural School Programming Contest 2021
27
1745
2164
Bookmaker
Ural School Programming Contest 2021
27
1749
2101
Knight's Shield
Ural FU Junior Championship 2016
105
1784
2180
Need More Tasks
Ural School Programming Contest 2023
10
1820
2147
City Building
Ural School Programming Contest 2019
66
1850
2120
Tree Average Weight
Petrozavodsk Summer 2018. umnik_team Contest
70
1875
2165
Cake Cutter
Ural School Programming Contest 2021
24
1902
2181
Student, or There and Back Again
Ural School Programming Contest 2023
9
1911
2195
Binary Trees
ICPC Ural Regional Contest Qualifier 2023
9
1918
2193
Old Barabarian Rap
ICPC Ural Regional Contest Qualifier 2022
8
2017
2191
Piecewise Linear Functions
ICPC Ural Regional Contest Qualifier 2022
7
2135
2178
Vadim and Sudoku: Renban
Ural School Programming Contest 2023
7
2141
2169
City Building 2
Ural School Programming Contest 2022
20
2154
2133
Terms of reference
Later is better than never
55
2238
2196
Apocalypse
ICPC Ural Regional Contest Qualifier 2023
6
2266
2187
Need More Gold
Ural School Programming Contest 2024
6
2275
2177
Vadim and Sudoku: XV-Pairs
Ural School Programming Contest 2023
6
2276
2188
They are charging the cannon... WHY?!
Ural School Programming Contest 2024
6
2276
2197
Work is not a wolf; a wolf is to walk
ICPC Ural Regional Contest Qualifier 2024
6
2278
2166
Two Roads
Ural School Programming Contest 2022
18
2308
2136
John vs Santa
Later is better than never
52
2347
2186
Hands Up!
Ural School Programming Contest 2024
5
2420
2179
Need More Roads
Ural School Programming Contest 2023
5
2425
2154
Flight on a Cannonball
Ural School Programming Contest 2020
37
2431
2185
Journey to the Treasure
Ural School Programming Contest 2024
4
2593
2168
Runes in the Field
Ural School Programming Contest 2022
10
3231
2125
Continue the Sequence
Petrozavodsk Summer 2018. umnik_team Contest
35
3333
2127
Determinant of a Graph
Petrozavodsk Summer 2018. umnik_team Contest
28
3947
2139
Experiment with Juice
Ural School Programming Contest 2019
22
4394
2122
Hamming
Petrozavodsk Summer 2018. umnik_team Contest
23
4545
2131
Open Cup
Later is better than never
15
5820
2137
Dynamic string complexity
Later is better than never
13
6326
Solved problems:
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Volume 11
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