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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
1976
256
1201
Which Day Is It?
USU Local Contest. March 2002
1385
365
1202
Rectangles Travel
USU Local Contest. March 2002
1140
442
1203
Scientific Conference
USU Local Contest. March 2002
6415
79
1204
Idempotents
USU Local Contest. March 2002
2206
230
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2153
235
1206
Sum of Digits of the Sum of Numbers
USU Local Contest. March 2002
4092
124
1207
Median on the Plane
USU Local Contest. March 2002
4229
120
1208
Legendary Teams Contest
USU Local Contest. March 2002
2370
214
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14998
34
1210
Kind Spirits
Autumn School Contest 2002
3002
170
1211
Collective Guarantee
Autumn School Contest 2002
1641
310
1212
Battleship
Autumn School Contest 2002
1030
493
1213
Cockroaches!
Autumn School Contest 2002
2991
171
1214
Strange Procedure
Autumn School Contest 2002
4995
102
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1695
300
1216
Two Pawns and One King
USU Championship 2002
241
2042
1217
Unlucky Tickets
USU Championship 2002
1245
408
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1578
323
1219
Symbolic Sequence
USU Championship 2002
4241
121
1220
Stacks
USU Championship 2002
1826
279
1221
Malevich Strikes Back!
USU Championship 2002
1206
421
1222
Chernobyl’ Eagles
USU Championship 2002
3557
144
1223
Chernobyl’ Eagle on a Roof
USU Championship 2002
1754
290
1224
Spiral
NEERC 2002 Central Subregional
7750
66
1225
Flags
NEERC 2002 Central Subregional
14650
35
1226
esreveR redrO
NEERC 2002 Central Subregional
4502
114
1227
Rally Championship
NEERC 2002 Central Subregional
1690
302
1228
Array
NEERC 2002 Central Subregional
4723
108
1229
Strong Brickwork
NEERC 2002 Central Subregional
1323
385
1230
Introspective Program
NEERC 2002 Central Subregional
636
793
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
224
2190
1232
Asteroid Landing
NEERC 2002 Central Subregional
205
2384
1233
Amusing Numbers
NEERC 2002
550
916
1234
Bricks
NEERC 2002
737
687
1235
Cricket Field
NEERC 2002
655
772
1236
Decoding Task
NEERC 2002
1022
497
1237
Evacuation Plan
NEERC 2002
510
988
1238
Folding
NEERC 2002
1227
415
1239
Ghost Busters
NEERC 2002
155
3110
1240
Heroes of Might and Magic
NEERC 2002
350
1425
1241
Inlay Cutters
NEERC 2002
291
1706
1242
Werewolf
USU Personal Contest 2003
2905
177
1243
Divorce of the Seven Dwarfs
USU Personal Contest 2003
10509
49
1244
Gentlemen
USU Personal Contest 2003
2017
254
1245
Pictures
USU Personal Contest 2003
532
949
1246
Tethered Dog
USU Personal Contest 2003
1531
334
1247
Check a Sequence
USU Personal Contest 2003
2127
241
1248
Sequence Sum
USU Personal Contest 2003
774
656
1249
Ancient Necropolis
USU Local Contest. March 2003
2332
220
1250
Sea Burial
USU Local Contest. March 2003
700
725
1251
Cemetery Manager
USU Local Contest. March 2003
335
1492
1252
Sorting the Tombstones
USU Local Contest. March 2003
1278
400
1253
Necrologues
USU Local Contest. March 2003
735
691
1254
Die Hard
USU Local Contest. March 2003
789
644
1255
Graveyard of the Cosa Nostra
USU Local Contest. March 2003
1821
281
1256
Cemetery Guard
USU Local Contest. March 2003
215
2288
1257
Hyphenation
Autumn School Contest 2003
288
1739
1258
Pool
Autumn School Contest 2003
1231
418
1259
How to Become Star?
Autumn School Contest 2003
1296
397
1260
Nudnik Photographer
Autumn School Contest 2003
4650
111
1261
Tips
Autumn School Contest 2003
1562
330
1262
Pseudo-Roman Number
Autumn School Contest 2003
1318
390
1263
Elections
Autumn School Contest 2003
12183
43
1264
Workdays
Autumn School Contest 2003
24726
21
1265
Mirror
USU Championship 2003
327
1538
1266
Kirchhoff's Law
USU Championship 2003
352
1432
1267
Yekaterinburg Subway
USU Championship 2003
289
1734
1268
Little Chu
USU Championship 2003
703
727
1269
Obscene Words Filter
USU Championship 2003
602
847
1270
Unicube
USU Championship 2003
215
2304
1271
Sailing Directions
USU Championship 2003
104
4548
1272
Non-Yekaterinburg Subway
USU Championship 2003
3505
147
1273
Tie
USU Championship 2003
1111
462
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
750
682
1275
Knights of the Round Table
NEERC 2003 Central Subregional
206
2401
1276
Train
NEERC 2003 Central Subregional
696
735
1277
Cops and Thieves
NEERC 2003 Central Subregional
588
867
1278
“… Connecting People”
NEERC 2003 Central Subregional
515
988
1279
Warehouse
NEERC 2003 Central Subregional
1215
423
1280
Topological Sorting
NEERC 2003 Central Subregional
3660
141
1281
River Basin
NEERC 2003 Central Subregional
276
1814
1282
Game Tree
NEERC 2003 Central Subregional
1529
337
1283
Dwarf
USU Personal Contest 2004
4496
115
1284
Space Poker
USU Personal Contest 2004
213
2334
1285
Thread in a Hyperspace
USU Personal Contest 2004
313
1611
1286
Starship Travel
USU Personal Contest 2004
784
655
1287
Mars Canals
USU Personal Contest 2004
1354
382
1288
Astrolocation
USU Personal Contest 2004
221
2253
1289
One Way Ticket
USU Personal Contest 2004
1298
398
1290
Sabotage
Spring School Contest 2004
6483
80
1291
Gear-wheels
Spring School Contest 2004
1350
383
1292
Mars Space Stations
Spring School Contest 2004
1361
380
1293
Eniya
Spring School Contest 2004
35967
14
1294
Mars Satellites
Spring School Contest 2004
1635
316
1295
Crazy Notions
Spring School Contest 2004
3432
151
1296
Hyperjump
Spring School Contest 2004
8356
62
1297
Palindrome
Spring School Contest 2004
6331
82
1298
Knight
Spring School Contest 2004
2225
233
1299
Psylonians
Spring School Contest 2004
329
1536
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