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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
1962
256
1201
Which Day Is It?
USU Local Contest. March 2002
1382
363
1202
Rectangles Travel
USU Local Contest. March 2002
1134
442
1203
Scientific Conference
USU Local Contest. March 2002
6283
80
1204
Idempotents
USU Local Contest. March 2002
2194
229
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2119
237
1206
Sum of Digits of the Sum of Numbers
USU Local Contest. March 2002
4074
124
1207
Median on the Plane
USU Local Contest. March 2002
4176
121
1208
Legendary Teams Contest
USU Local Contest. March 2002
2356
213
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14815
34
1210
Kind Spirits
Autumn School Contest 2002
3105
163
1211
Collective Guarantee
Autumn School Contest 2002
1627
311
1212
Battleship
Autumn School Contest 2002
1024
492
1213
Cockroaches!
Autumn School Contest 2002
2973
171
1214
Strange Procedure
Autumn School Contest 2002
4974
102
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1679
301
1216
Two Pawns and One King
USU Championship 2002
234
2086
1217
Unlucky Tickets
USU Championship 2002
1233
409
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1565
323
1219
Symbolic Sequence
USU Championship 2002
4230
120
1220
Stacks
USU Championship 2002
1822
278
1221
Malevich Strikes Back!
USU Championship 2002
1200
421
1222
Chernobyl’ Eagles
USU Championship 2002
3550
143
1223
Chernobyl’ Eagle on a Roof
USU Championship 2002
1728
293
1224
Spiral
NEERC 2002 Central Subregional
7660
66
1225
Flags
NEERC 2002 Central Subregional
14420
35
1226
esreveR redrO
NEERC 2002 Central Subregional
4470
114
1227
Rally Championship
NEERC 2002 Central Subregional
1677
302
1228
Array
NEERC 2002 Central Subregional
4704
108
1229
Strong Brickwork
NEERC 2002 Central Subregional
1322
382
1230
Introspective Program
NEERC 2002 Central Subregional
659
761
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
225
2166
1232
Asteroid Landing
NEERC 2002 Central Subregional
204
2379
1233
Amusing Numbers
NEERC 2002
541
925
1234
Bricks
NEERC 2002
731
688
1235
Cricket Field
NEERC 2002
653
769
1236
Decoding Task
NEERC 2002
1019
495
1237
Evacuation Plan
NEERC 2002
508
985
1238
Folding
NEERC 2002
1215
416
1239
Ghost Busters
NEERC 2002
154
3108
1240
Heroes of Might and Magic
NEERC 2002
346
1432
1241
Inlay Cutters
NEERC 2002
289
1706
1242
Werewolf
USU Personal Contest 2003
2887
176
1243
Divorce of the Seven Dwarfs
USU Personal Contest 2003
10374
49
1244
Gentlemen
USU Personal Contest 2003
1997
255
1245
Pictures
USU Personal Contest 2003
524
957
1246
Tethered Dog
USU Personal Contest 2003
1515
335
1247
Check a Sequence
USU Personal Contest 2003
2114
241
1248
Sequence Sum
USU Personal Contest 2003
758
666
1249
Ancient Necropolis
USU Local Contest. March 2003
2323
219
1250
Sea Burial
USU Local Contest. March 2003
691
729
1251
Cemetery Manager
USU Local Contest. March 2003
330
1504
1252
Sorting the Tombstones
USU Local Contest. March 2003
1270
399
1253
Necrologues
USU Local Contest. March 2003
729
692
1254
Die Hard
USU Local Contest. March 2003
783
645
1255
Graveyard of the Cosa Nostra
USU Local Contest. March 2003
1812
281
1256
Cemetery Guard
USU Local Contest. March 2003
215
2273
1257
Hyphenation
Autumn School Contest 2003
282
1763
1258
Pool
Autumn School Contest 2003
1225
417
1259
How to Become Star?
Autumn School Contest 2003
1293
395
1260
Nudnik Photographer
Autumn School Contest 2003
4630
111
1261
Tips
Autumn School Contest 2003
1553
329
1262
Pseudo-Roman Number
Autumn School Contest 2003
1309
390
1263
Elections
Autumn School Contest 2003
12094
43
1264
Workdays
Autumn School Contest 2003
24490
21
1265
Mirror
USU Championship 2003
322
1551
1266
Kirchhoff's Law
USU Championship 2003
342
1463
1267
Yekaterinburg Subway
USU Championship 2003
286
1740
1268
Little Chu
USU Championship 2003
691
735
1269
Obscene Words Filter
USU Championship 2003
599
846
1270
Unicube
USU Championship 2003
205
2395
1271
Sailing Directions
USU Championship 2003
101
4640
1272
Non-Yekaterinburg Subway
USU Championship 2003
3488
147
1273
Tie
USU Championship 2003
1099
464
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
736
691
1275
Knights of the Round Table
NEERC 2003 Central Subregional
205
2396
1276
Train
NEERC 2003 Central Subregional
690
736
1277
Cops and Thieves
NEERC 2003 Central Subregional
642
790
1278
“… Connecting People”
NEERC 2003 Central Subregional
509
993
1279
Warehouse
NEERC 2003 Central Subregional
1207
423
1280
Topological Sorting
NEERC 2003 Central Subregional
3630
142
1281
River Basin
NEERC 2003 Central Subregional
363
1381
1282
Game Tree
NEERC 2003 Central Subregional
1519
337
1283
Dwarf
USU Personal Contest 2004
4421
117
1284
Space Poker
USU Personal Contest 2004
210
2350
1285
Thread in a Hyperspace
USU Personal Contest 2004
306
1636
1286
Starship Travel
USU Personal Contest 2004
772
661
1287
Mars Canals
USU Personal Contest 2004
1349
380
1288
Astrolocation
USU Personal Contest 2004
212
2329
1289
One Way Ticket
USU Personal Contest 2004
1287
399
1290
Sabotage
Spring School Contest 2004
6442
80
1291
Gear-wheels
Spring School Contest 2004
1334
385
1292
Mars Space Stations
Spring School Contest 2004
1350
380
1293
Eniya
Spring School Contest 2004
35654
15
1294
Mars Satellites
Spring School Contest 2004
1629
316
1295
Crazy Notions
Spring School Contest 2004
3414
151
1296
Hyperjump
Spring School Contest 2004
8174
63
1297
Palindrome
Spring School Contest 2004
6286
82
1298
Knight
Spring School Contest 2004
2210
233
1299
Psylonians
Spring School Contest 2004
323
1553
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