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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
1874
250
1201
Which Day Is It?
USU Local Contest. March 2002
1324
354
1202
Rectangles Travel
USU Local Contest. March 2002
1043
448
1203
Scientific Conference
USU Local Contest. March 2002
5582
84
1204
Idempotents
USU Local Contest. March 2002
2084
225
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2054
229
1206
Sum of Digits of the Sum of Numbers
USU Local Contest. March 2002
3902
121
1207
Median on the Plane
USU Local Contest. March 2002
2957
159
1208
Legendary Teams Contest
USU Local Contest. March 2002
2224
211
1209
1, 10, 100, 1000...
Autumn School Contest 2002
13390
36
1210
Kind Spirits
Autumn School Contest 2002
2936
162
1211
Collective Guarantee
Autumn School Contest 2002
1491
317
1212
Battleship
Autumn School Contest 2002
940
501
1213
Cockroaches!
Autumn School Contest 2002
2805
169
1214
Strange Procedure
Autumn School Contest 2002
4729
100
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1573
301
1216
Two Pawns and One King
USU Championship 2002
220
2070
1217
Unlucky Tickets
USU Championship 2002
1157
408
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1469
322
1219
Symbolic Sequence
USU Championship 2002
4050
117
1220
Stacks
USU Championship 2002
1734
273
1221
Malevich Strikes Back!
USU Championship 2002
1122
421
1222
Chernobyl’ Eagles
USU Championship 2002
3404
139
1223
Chernobyl’ Eagle on a Roof
USU Championship 2002
1584
299
1224
Spiral
NEERC 2002 Central Subregional
7103
67
1225
Flags
NEERC 2002 Central Subregional
13046
36
1226
esreveR redrO
NEERC 2002 Central Subregional
4279
111
1227
Rally Championship
NEERC 2002 Central Subregional
1553
305
1228
Array
NEERC 2002 Central Subregional
4525
105
1229
Strong Brickwork
NEERC 2002 Central Subregional
1260
375
1230
Introspective Program
NEERC 2002 Central Subregional
630
744
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
213
2135
1232
Asteroid Landing
NEERC 2002 Central Subregional
190
2381
1233
Amusing Numbers
NEERC 2002
496
942
1234
Bricks
NEERC 2002
693
678
1235
Cricket Field
NEERC 2002
623
753
1236
Decoding Task
NEERC 2002
939
502
1237
Evacuation Plan
NEERC 2002
488
959
1238
Folding
NEERC 2002
1118
423
1239
Ghost Busters
NEERC 2002
148
3018
1240
Heroes of Might and Magic
NEERC 2002
329
1407
1241
Inlay Cutters
NEERC 2002
279
1652
1242
Werewolf
USU Personal Contest 2003
2504
190
1243
Divorce of the Seven Dwarfs
USU Personal Contest 2003
9565
50
1244
Gentlemen
USU Personal Contest 2003
1864
255
1245
Pictures
USU Personal Contest 2003
504
931
1246
Tethered Dog
USU Personal Contest 2003
1434
331
1247
Check a Sequence
USU Personal Contest 2003
2012
237
1248
Sequence Sum
USU Personal Contest 2003
715
660
1249
Ancient Necropolis
USU Local Contest. March 2003
2222
214
1250
Sea Burial
USU Local Contest. March 2003
662
712
1251
Cemetery Manager
USU Local Contest. March 2003
308
1505
1252
Sorting the Tombstones
USU Local Contest. March 2003
1182
402
1253
Necrologues
USU Local Contest. March 2003
683
691
1254
Die Hard
USU Local Contest. March 2003
737
641
1255
Graveyard of the Cosa Nostra
USU Local Contest. March 2003
1751
272
1256
Cemetery Guard
USU Local Contest. March 2003
200
2279
1257
Hyphenation
Autumn School Contest 2003
273
1704
1258
Pool
Autumn School Contest 2003
1136
421
1259
How to Become Star?
Autumn School Contest 2003
1224
391
1260
Nudnik Photographer
Autumn School Contest 2003
4361
110
1261
Tips
Autumn School Contest 2003
1443
332
1262
Pseudo-Roman Number
Autumn School Contest 2003
1255
381
1263
Elections
Autumn School Contest 2003
11107
43
1264
Workdays
Autumn School Contest 2003
21892
22
1265
Mirror
USU Championship 2003
309
1513
1266
Kirchhoff's Law
USU Championship 2003
319
1467
1267
Yekaterinburg Subway
USU Championship 2003
250
1856
1268
Little Chu
USU Championship 2003
652
729
1269
Obscene Words Filter
USU Championship 2003
565
839
1270
Unicube
USU Championship 2003
193
2377
1271
Sailing Directions
USU Championship 2003
94
4640
1272
Non-Yekaterinburg Subway
USU Championship 2003
3209
150
1273
Tie
USU Championship 2003
1030
464
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
693
687
1275
Knights of the Round Table
NEERC 2003 Central Subregional
189
2426
1276
Train
NEERC 2003 Central Subregional
619
767
1277
Cops and Thieves
NEERC 2003 Central Subregional
608
781
1278
“… Connecting People”
NEERC 2003 Central Subregional
487
971
1279
Warehouse
NEERC 2003 Central Subregional
1154
415
1280
Topological Sorting
NEERC 2003 Central Subregional
3382
142
1281
River Basin
NEERC 2003 Central Subregional
337
1391
1282
Game Tree
NEERC 2003 Central Subregional
1433
335
1283
Dwarf
USU Personal Contest 2004
4054
119
1284
Space Poker
USU Personal Contest 2004
196
2353
1285
Thread in a Hyperspace
USU Personal Contest 2004
285
1643
1286
Starship Travel
USU Personal Contest 2004
715
668
1287
Mars Canals
USU Personal Contest 2004
1285
374
1288
Astrolocation
USU Personal Contest 2004
202
2286
1289
One Way Ticket
USU Personal Contest 2004
1217
395
1290
Sabotage
Spring School Contest 2004
6119
79
1291
Gear-wheels
Spring School Contest 2004
1219
395
1292
Mars Space Stations
Spring School Contest 2004
1295
372
1293
Eniya
Spring School Contest 2004
31776
15
1294
Mars Satellites
Spring School Contest 2004
1555
310
1295
Crazy Notions
Spring School Contest 2004
3191
151
1296
Hyperjump
Spring School Contest 2004
6389
76
1297
Palindrome
Spring School Contest 2004
5884
82
1298
Knight
Spring School Contest 2004
1981
244
1299
Psylonians
Spring School Contest 2004
316
1487
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