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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
1973
256
1201
Which Day Is It?
USU Local Contest. March 2002
1383
365
1202
Rectangles Travel
USU Local Contest. March 2002
1138
442
1203
Scientific Conference
USU Local Contest. March 2002
6406
79
1204
Idempotents
USU Local Contest. March 2002
2204
229
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2148
235
1206
Sum of Digits of the Sum of Numbers
USU Local Contest. March 2002
4088
124
1207
Median on the Plane
USU Local Contest. March 2002
4209
120
1208
Legendary Teams Contest
USU Local Contest. March 2002
2365
214
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14969
34
1210
Kind Spirits
Autumn School Contest 2002
3000
170
1211
Collective Guarantee
Autumn School Contest 2002
1637
311
1212
Battleship
Autumn School Contest 2002
1027
493
1213
Cockroaches!
Autumn School Contest 2002
2985
171
1214
Strange Procedure
Autumn School Contest 2002
4992
102
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1691
301
1216
Two Pawns and One King
USU Championship 2002
240
2047
1217
Unlucky Tickets
USU Championship 2002
1244
408
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1577
323
1219
Symbolic Sequence
USU Championship 2002
4237
121
1220
Stacks
USU Championship 2002
1826
279
1221
Malevich Strikes Back!
USU Championship 2002
1204
422
1222
Chernobyl’ Eagles
USU Championship 2002
3554
144
1223
Chernobyl’ Eagle on a Roof
USU Championship 2002
1747
291
1224
Spiral
NEERC 2002 Central Subregional
7748
66
1225
Flags
NEERC 2002 Central Subregional
14571
35
1226
esreveR redrO
NEERC 2002 Central Subregional
4498
114
1227
Rally Championship
NEERC 2002 Central Subregional
1688
301
1228
Array
NEERC 2002 Central Subregional
4720
108
1229
Strong Brickwork
NEERC 2002 Central Subregional
1322
384
1230
Introspective Program
NEERC 2002 Central Subregional
634
795
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
223
2197
1232
Asteroid Landing
NEERC 2002 Central Subregional
204
2392
1233
Amusing Numbers
NEERC 2002
547
920
1234
Bricks
NEERC 2002
735
688
1235
Cricket Field
NEERC 2002
654
772
1236
Decoding Task
NEERC 2002
1021
497
1237
Evacuation Plan
NEERC 2002
508
990
1238
Folding
NEERC 2002
1226
415
1239
Ghost Busters
NEERC 2002
154
3125
1240
Heroes of Might and Magic
NEERC 2002
350
1424
1241
Inlay Cutters
NEERC 2002
291
1704
1242
Werewolf
USU Personal Contest 2003
2899
177
1243
Divorce of the Seven Dwarfs
USU Personal Contest 2003
10498
49
1244
Gentlemen
USU Personal Contest 2003
2014
254
1245
Pictures
USU Personal Contest 2003
530
952
1246
Tethered Dog
USU Personal Contest 2003
1528
334
1247
Check a Sequence
USU Personal Contest 2003
2123
241
1248
Sequence Sum
USU Personal Contest 2003
771
658
1249
Ancient Necropolis
USU Local Contest. March 2003
2329
220
1250
Sea Burial
USU Local Contest. March 2003
698
726
1251
Cemetery Manager
USU Local Contest. March 2003
334
1495
1252
Sorting the Tombstones
USU Local Contest. March 2003
1275
400
1253
Necrologues
USU Local Contest. March 2003
734
691
1254
Die Hard
USU Local Contest. March 2003
787
645
1255
Graveyard of the Cosa Nostra
USU Local Contest. March 2003
1819
281
1256
Cemetery Guard
USU Local Contest. March 2003
215
2285
1257
Hyphenation
Autumn School Contest 2003
283
1767
1258
Pool
Autumn School Contest 2003
1228
418
1259
How to Become Star?
Autumn School Contest 2003
1294
397
1260
Nudnik Photographer
Autumn School Contest 2003
4647
111
1261
Tips
Autumn School Contest 2003
1560
330
1262
Pseudo-Roman Number
Autumn School Contest 2003
1315
391
1263
Elections
Autumn School Contest 2003
12163
43
1264
Workdays
Autumn School Contest 2003
24686
21
1265
Mirror
USU Championship 2003
326
1541
1266
Kirchhoff's Law
USU Championship 2003
349
1442
1267
Yekaterinburg Subway
USU Championship 2003
289
1732
1268
Little Chu
USU Championship 2003
701
728
1269
Obscene Words Filter
USU Championship 2003
601
848
1270
Unicube
USU Championship 2003
213
2322
1271
Sailing Directions
USU Championship 2003
102
4623
1272
Non-Yekaterinburg Subway
USU Championship 2003
3502
147
1273
Tie
USU Championship 2003
1109
463
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
747
684
1275
Knights of the Round Table
NEERC 2003 Central Subregional
205
2410
1276
Train
NEERC 2003 Central Subregional
693
737
1277
Cops and Thieves
NEERC 2003 Central Subregional
586
869
1278
“… Connecting People”
NEERC 2003 Central Subregional
515
987
1279
Warehouse
NEERC 2003 Central Subregional
1213
424
1280
Topological Sorting
NEERC 2003 Central Subregional
3653
141
1281
River Basin
NEERC 2003 Central Subregional
274
1824
1282
Game Tree
NEERC 2003 Central Subregional
1529
337
1283
Dwarf
USU Personal Contest 2004
4493
115
1284
Space Poker
USU Personal Contest 2004
212
2341
1285
Thread in a Hyperspace
USU Personal Contest 2004
312
1614
1286
Starship Travel
USU Personal Contest 2004
783
655
1287
Mars Canals
USU Personal Contest 2004
1353
381
1288
Astrolocation
USU Personal Contest 2004
219
2270
1289
One Way Ticket
USU Personal Contest 2004
1296
398
1290
Sabotage
Spring School Contest 2004
6478
80
1291
Gear-wheels
Spring School Contest 2004
1347
383
1292
Mars Space Stations
Spring School Contest 2004
1359
380
1293
Eniya
Spring School Contest 2004
35888
14
1294
Mars Satellites
Spring School Contest 2004
1632
317
1295
Crazy Notions
Spring School Contest 2004
3430
151
1296
Hyperjump
Spring School Contest 2004
8310
63
1297
Palindrome
Spring School Contest 2004
6325
82
1298
Knight
Spring School Contest 2004
2225
233
1299
Psylonians
Spring School Contest 2004
326
1548
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