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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
1951
256
1201
Which Day Is It?
USU Local Contest. March 2002
1378
361
1202
Rectangles Travel
USU Local Contest. March 2002
1122
443
1203
Scientific Conference
USU Local Contest. March 2002
6219
80
1204
Idempotents
USU Local Contest. March 2002
2178
229
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2103
237
1206
Sum of Digits of the Sum of Numbers
USU Local Contest. March 2002
4052
123
1207
Median on the Plane
USU Local Contest. March 2002
4148
121
1208
Legendary Teams Contest
USU Local Contest. March 2002
2343
213
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14727
34
1210
Kind Spirits
Autumn School Contest 2002
3097
163
1211
Collective Guarantee
Autumn School Contest 2002
1618
310
1212
Battleship
Autumn School Contest 2002
1020
490
1213
Cockroaches!
Autumn School Contest 2002
2962
170
1214
Strange Procedure
Autumn School Contest 2002
4957
102
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1674
300
1216
Two Pawns and One King
USU Championship 2002
232
2088
1217
Unlucky Tickets
USU Championship 2002
1226
409
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1555
323
1219
Symbolic Sequence
USU Championship 2002
4217
120
1220
Stacks
USU Championship 2002
1816
277
1221
Malevich Strikes Back!
USU Championship 2002
1188
422
1222
Chernobyl’ Eagles
USU Championship 2002
3536
143
1223
Chernobyl’ Eagle on a Roof
USU Championship 2002
1708
294
1224
Spiral
NEERC 2002 Central Subregional
7634
66
1225
Flags
NEERC 2002 Central Subregional
14293
35
1226
esreveR redrO
NEERC 2002 Central Subregional
4459
113
1227
Rally Championship
NEERC 2002 Central Subregional
1664
302
1228
Array
NEERC 2002 Central Subregional
4677
108
1229
Strong Brickwork
NEERC 2002 Central Subregional
1316
381
1230
Introspective Program
NEERC 2002 Central Subregional
654
761
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
224
2160
1232
Asteroid Landing
NEERC 2002 Central Subregional
204
2362
1233
Amusing Numbers
NEERC 2002
536
927
1234
Bricks
NEERC 2002
730
684
1235
Cricket Field
NEERC 2002
652
764
1236
Decoding Task
NEERC 2002
1016
493
1237
Evacuation Plan
NEERC 2002
504
986
1238
Folding
NEERC 2002
1207
416
1239
Ghost Busters
NEERC 2002
153
3105
1240
Heroes of Might and Magic
NEERC 2002
345
1425
1241
Inlay Cutters
NEERC 2002
287
1705
1242
Werewolf
USU Personal Contest 2003
2863
177
1243
Divorce of the Seven Dwarfs
USU Personal Contest 2003
10320
49
1244
Gentlemen
USU Personal Contest 2003
1983
255
1245
Pictures
USU Personal Contest 2003
521
956
1246
Tethered Dog
USU Personal Contest 2003
1511
334
1247
Check a Sequence
USU Personal Contest 2003
2104
240
1248
Sequence Sum
USU Personal Contest 2003
755
663
1249
Ancient Necropolis
USU Local Contest. March 2003
2319
218
1250
Sea Burial
USU Local Contest. March 2003
686
729
1251
Cemetery Manager
USU Local Contest. March 2003
329
1498
1252
Sorting the Tombstones
USU Local Contest. March 2003
1264
399
1253
Necrologues
USU Local Contest. March 2003
723
693
1254
Die Hard
USU Local Contest. March 2003
782
641
1255
Graveyard of the Cosa Nostra
USU Local Contest. March 2003
1808
279
1256
Cemetery Guard
USU Local Contest. March 2003
213
2277
1257
Hyphenation
Autumn School Contest 2003
282
1751
1258
Pool
Autumn School Contest 2003
1218
416
1259
How to Become Star?
Autumn School Contest 2003
1288
394
1260
Nudnik Photographer
Autumn School Contest 2003
4617
110
1261
Tips
Autumn School Contest 2003
1547
328
1262
Pseudo-Roman Number
Autumn School Contest 2003
1303
389
1263
Elections
Autumn School Contest 2003
11990
43
1264
Workdays
Autumn School Contest 2003
24278
21
1265
Mirror
USU Championship 2003
322
1540
1266
Kirchhoff's Law
USU Championship 2003
341
1457
1267
Yekaterinburg Subway
USU Championship 2003
286
1728
1268
Little Chu
USU Championship 2003
688
733
1269
Obscene Words Filter
USU Championship 2003
594
847
1270
Unicube
USU Championship 2003
203
2401
1271
Sailing Directions
USU Championship 2003
101
4607
1272
Non-Yekaterinburg Subway
USU Championship 2003
3430
149
1273
Tie
USU Championship 2003
1091
464
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
735
687
1275
Knights of the Round Table
NEERC 2003 Central Subregional
205
2380
1276
Train
NEERC 2003 Central Subregional
686
735
1277
Cops and Thieves
NEERC 2003 Central Subregional
636
792
1278
“… Connecting People”
NEERC 2003 Central Subregional
509
986
1279
Warehouse
NEERC 2003 Central Subregional
1201
422
1280
Topological Sorting
NEERC 2003 Central Subregional
3613
141
1281
River Basin
NEERC 2003 Central Subregional
362
1375
1282
Game Tree
NEERC 2003 Central Subregional
1509
337
1283
Dwarf
USU Personal Contest 2004
4402
116
1284
Space Poker
USU Personal Contest 2004
207
2366
1285
Thread in a Hyperspace
USU Personal Contest 2004
306
1625
1286
Starship Travel
USU Personal Contest 2004
768
660
1287
Mars Canals
USU Personal Contest 2004
1343
379
1288
Astrolocation
USU Personal Contest 2004
210
2334
1289
One Way Ticket
USU Personal Contest 2004
1277
399
1290
Sabotage
Spring School Contest 2004
6424
80
1291
Gear-wheels
Spring School Contest 2004
1327
384
1292
Mars Space Stations
Spring School Contest 2004
1344
379
1293
Eniya
Spring School Contest 2004
35346
15
1294
Mars Satellites
Spring School Contest 2004
1623
315
1295
Crazy Notions
Spring School Contest 2004
3401
151
1296
Hyperjump
Spring School Contest 2004
8136
63
1297
Palindrome
Spring School Contest 2004
6264
82
1298
Knight
Spring School Contest 2004
2197
233
1299
Psylonians
Spring School Contest 2004
323
1542
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