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Problem set. Volume 3
Solved problems:
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ID
Title
Source
Authors
Difficulty
1200
Horns and Hoofs
USU Local Contest. March 2002
1941
256
1201
Which Day Is It?
USU Local Contest. March 2002
1372
361
1202
Rectangles Travel
USU Local Contest. March 2002
1115
443
1203
Scientific Conference
USU Local Contest. March 2002
6151
81
1204
Idempotents
USU Local Contest. March 2002
2170
229
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2091
237
1206
Sum of Digits of the Sum of Numbers
USU Local Contest. March 2002
4041
123
1207
Median on the Plane
USU Local Contest. March 2002
3990
125
1208
Legendary Teams Contest
USU Local Contest. March 2002
2332
213
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14622
34
1210
Kind Spirits
Autumn School Contest 2002
3070
163
1211
Collective Guarantee
Autumn School Contest 2002
1609
310
1212
Battleship
Autumn School Contest 2002
1017
489
1213
Cockroaches!
Autumn School Contest 2002
2955
169
1214
Strange Procedure
Autumn School Contest 2002
4944
101
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1667
300
1216
Two Pawns and One King
USU Championship 2002
232
2077
1217
Unlucky Tickets
USU Championship 2002
1218
409
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1551
322
1219
Symbolic Sequence
USU Championship 2002
4209
119
1220
Stacks
USU Championship 2002
1808
277
1221
Malevich Strikes Back!
USU Championship 2002
1181
422
1222
Chernobyl’ Eagles
USU Championship 2002
3529
142
1223
Chernobyl’ Eagle on a Roof
USU Championship 2002
1692
295
1224
Spiral
NEERC 2002 Central Subregional
7607
66
1225
Flags
NEERC 2002 Central Subregional
14197
35
1226
esreveR redrO
NEERC 2002 Central Subregional
4450
113
1227
Rally Championship
NEERC 2002 Central Subregional
1661
301
1228
Array
NEERC 2002 Central Subregional
4668
107
1229
Strong Brickwork
NEERC 2002 Central Subregional
1310
381
1230
Introspective Program
NEERC 2002 Central Subregional
653
758
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
224
2149
1232
Asteroid Landing
NEERC 2002 Central Subregional
202
2372
1233
Amusing Numbers
NEERC 2002
534
925
1234
Bricks
NEERC 2002
726
684
1235
Cricket Field
NEERC 2002
651
762
1236
Decoding Task
NEERC 2002
1009
494
1237
Evacuation Plan
NEERC 2002
503
982
1238
Folding
NEERC 2002
1197
417
1239
Ghost Busters
NEERC 2002
153
3089
1240
Heroes of Might and Magic
NEERC 2002
345
1418
1241
Inlay Cutters
NEERC 2002
287
1697
1242
Werewolf
USU Personal Contest 2003
2829
178
1243
Divorce of the Seven Dwarfs
USU Personal Contest 2003
10281
49
1244
Gentlemen
USU Personal Contest 2003
1969
255
1245
Pictures
USU Personal Contest 2003
520
953
1246
Tethered Dog
USU Personal Contest 2003
1508
333
1247
Check a Sequence
USU Personal Contest 2003
2096
240
1248
Sequence Sum
USU Personal Contest 2003
752
663
1249
Ancient Necropolis
USU Local Contest. March 2003
2311
218
1250
Sea Burial
USU Local Contest. March 2003
684
728
1251
Cemetery Manager
USU Local Contest. March 2003
325
1508
1252
Sorting the Tombstones
USU Local Contest. March 2003
1251
401
1253
Necrologues
USU Local Contest. March 2003
717
695
1254
Die Hard
USU Local Contest. March 2003
779
640
1255
Graveyard of the Cosa Nostra
USU Local Contest. March 2003
1802
279
1256
Cemetery Guard
USU Local Contest. March 2003
211
2286
1257
Hyphenation
Autumn School Contest 2003
280
1754
1258
Pool
Autumn School Contest 2003
1207
418
1259
How to Become Star?
Autumn School Contest 2003
1279
395
1260
Nudnik Photographer
Autumn School Contest 2003
4599
110
1261
Tips
Autumn School Contest 2003
1541
328
1262
Pseudo-Roman Number
Autumn School Contest 2003
1299
389
1263
Elections
Autumn School Contest 2003
11945
43
1264
Workdays
Autumn School Contest 2003
24150
21
1265
Mirror
USU Championship 2003
321
1537
1266
Kirchhoff's Law
USU Championship 2003
339
1458
1267
Yekaterinburg Subway
USU Championship 2003
285
1725
1268
Little Chu
USU Championship 2003
685
732
1269
Obscene Words Filter
USU Championship 2003
587
852
1270
Unicube
USU Championship 2003
202
2400
1271
Sailing Directions
USU Championship 2003
100
4626
1272
Non-Yekaterinburg Subway
USU Championship 2003
3419
148
1273
Tie
USU Championship 2003
1085
465
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
731
687
1275
Knights of the Round Table
NEERC 2003 Central Subregional
204
2379
1276
Train
NEERC 2003 Central Subregional
683
735
1277
Cops and Thieves
NEERC 2003 Central Subregional
632
793
1278
“… Connecting People”
NEERC 2003 Central Subregional
508
983
1279
Warehouse
NEERC 2003 Central Subregional
1194
423
1280
Topological Sorting
NEERC 2003 Central Subregional
3580
142
1281
River Basin
NEERC 2003 Central Subregional
360
1376
1282
Game Tree
NEERC 2003 Central Subregional
1505
336
1283
Dwarf
USU Personal Contest 2004
4378
116
1284
Space Poker
USU Personal Contest 2004
206
2365
1285
Thread in a Hyperspace
USU Personal Contest 2004
304
1627
1286
Starship Travel
USU Personal Contest 2004
763
661
1287
Mars Canals
USU Personal Contest 2004
1337
379
1288
Astrolocation
USU Personal Contest 2004
208
2343
1289
One Way Ticket
USU Personal Contest 2004
1269
399
1290
Sabotage
Spring School Contest 2004
6404
80
1291
Gear-wheels
Spring School Contest 2004
1322
384
1292
Mars Space Stations
Spring School Contest 2004
1342
378
1293
Eniya
Spring School Contest 2004
35165
15
1294
Mars Satellites
Spring School Contest 2004
1618
314
1295
Crazy Notions
Spring School Contest 2004
3387
150
1296
Hyperjump
Spring School Contest 2004
7926
64
1297
Palindrome
Spring School Contest 2004
6245
82
1298
Knight
Spring School Contest 2004
2186
233
1299
Psylonians
Spring School Contest 2004
323
1535
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