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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
1896
252
1201
Which Day Is It?
USU Local Contest. March 2002
1340
356
1202
Rectangles Travel
USU Local Contest. March 2002
1056
451
1203
Scientific Conference
USU Local Contest. March 2002
5756
83
1204
Idempotents
USU Local Contest. March 2002
2114
226
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2033
235
1206
Sum of Digits of the Sum of Numbers
USU Local Contest. March 2002
3948
121
1207
Median on the Plane
USU Local Contest. March 2002
3150
152
1208
Legendary Teams Contest
USU Local Contest. March 2002
2263
211
1209
1, 10, 100, 1000...
Autumn School Contest 2002
13931
35
1210
Kind Spirits
Autumn School Contest 2002
2986
162
1211
Collective Guarantee
Autumn School Contest 2002
1552
310
1212
Battleship
Autumn School Contest 2002
967
496
1213
Cockroaches!
Autumn School Contest 2002
2861
169
1214
Strange Procedure
Autumn School Contest 2002
4799
101
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1610
299
1216
Two Pawns and One King
USU Championship 2002
225
2063
1217
Unlucky Tickets
USU Championship 2002
1170
411
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1497
322
1219
Symbolic Sequence
USU Championship 2002
4101
118
1220
Stacks
USU Championship 2002
1758
274
1221
Malevich Strikes Back!
USU Championship 2002
1131
425
1222
Chernobyl’ Eagles
USU Championship 2002
3452
140
1223
Chernobyl’ Eagle on a Roof
USU Championship 2002
1626
296
1224
Spiral
NEERC 2002 Central Subregional
7266
67
1225
Flags
NEERC 2002 Central Subregional
13456
36
1226
esreveR redrO
NEERC 2002 Central Subregional
4332
112
1227
Rally Championship
NEERC 2002 Central Subregional
1585
304
1228
Array
NEERC 2002 Central Subregional
4575
106
1229
Strong Brickwork
NEERC 2002 Central Subregional
1277
377
1230
Introspective Program
NEERC 2002 Central Subregional
634
753
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
217
2136
1232
Asteroid Landing
NEERC 2002 Central Subregional
193
2389
1233
Amusing Numbers
NEERC 2002
502
948
1234
Bricks
NEERC 2002
702
682
1235
Cricket Field
NEERC 2002
630
759
1236
Decoding Task
NEERC 2002
949
506
1237
Evacuation Plan
NEERC 2002
491
970
1238
Folding
NEERC 2002
1140
423
1239
Ghost Busters
NEERC 2002
149
3054
1240
Heroes of Might and Magic
NEERC 2002
336
1403
1241
Inlay Cutters
NEERC 2002
282
1664
1242
Werewolf
USU Personal Contest 2003
2687
181
1243
Divorce of the Seven Dwarfs
USU Personal Contest 2003
9766
50
1244
Gentlemen
USU Personal Contest 2003
1901
255
1245
Pictures
USU Personal Contest 2003
509
938
1246
Tethered Dog
USU Personal Contest 2003
1463
331
1247
Check a Sequence
USU Personal Contest 2003
2036
238
1248
Sequence Sum
USU Personal Contest 2003
725
663
1249
Ancient Necropolis
USU Local Contest. March 2003
2262
214
1250
Sea Burial
USU Local Contest. March 2003
667
720
1251
Cemetery Manager
USU Local Contest. March 2003
311
1518
1252
Sorting the Tombstones
USU Local Contest. March 2003
1206
401
1253
Necrologues
USU Local Contest. March 2003
689
697
1254
Die Hard
USU Local Contest. March 2003
743
647
1255
Graveyard of the Cosa Nostra
USU Local Contest. March 2003
1769
274
1256
Cemetery Guard
USU Local Contest. March 2003
203
2288
1257
Hyphenation
Autumn School Contest 2003
274
1728
1258
Pool
Autumn School Contest 2003
1169
416
1259
How to Become Star?
Autumn School Contest 2003
1238
393
1260
Nudnik Photographer
Autumn School Contest 2003
4435
110
1261
Tips
Autumn School Contest 2003
1464
333
1262
Pseudo-Roman Number
Autumn School Contest 2003
1267
384
1263
Elections
Autumn School Contest 2003
11379
43
1264
Workdays
Autumn School Contest 2003
22777
22
1265
Mirror
USU Championship 2003
310
1535
1266
Kirchhoff's Law
USU Championship 2003
325
1466
1267
Yekaterinburg Subway
USU Championship 2003
251
1882
1268
Little Chu
USU Championship 2003
660
733
1269
Obscene Words Filter
USU Championship 2003
576
838
1270
Unicube
USU Championship 2003
195
2396
1271
Sailing Directions
USU Championship 2003
95
4677
1272
Non-Yekaterinburg Subway
USU Championship 2003
3275
149
1273
Tie
USU Championship 2003
1039
468
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
700
692
1275
Knights of the Round Table
NEERC 2003 Central Subregional
192
2432
1276
Train
NEERC 2003 Central Subregional
649
746
1277
Cops and Thieves
NEERC 2003 Central Subregional
613
789
1278
“… Connecting People”
NEERC 2003 Central Subregional
493
977
1279
Warehouse
NEERC 2003 Central Subregional
1167
417
1280
Topological Sorting
NEERC 2003 Central Subregional
3445
142
1281
River Basin
NEERC 2003 Central Subregional
345
1384
1282
Game Tree
NEERC 2003 Central Subregional
1455
335
1283
Dwarf
USU Personal Contest 2004
4115
120
1284
Space Poker
USU Personal Contest 2004
199
2360
1285
Thread in a Hyperspace
USU Personal Contest 2004
293
1628
1286
Starship Travel
USU Personal Contest 2004
724
672
1287
Mars Canals
USU Personal Contest 2004
1304
375
1288
Astrolocation
USU Personal Contest 2004
203
2315
1289
One Way Ticket
USU Personal Contest 2004
1234
396
1290
Sabotage
Spring School Contest 2004
6226
79
1291
Gear-wheels
Spring School Contest 2004
1242
394
1292
Mars Space Stations
Spring School Contest 2004
1309
374
1293
Eniya
Spring School Contest 2004
33083
15
1294
Mars Satellites
Spring School Contest 2004
1582
310
1295
Crazy Notions
Spring School Contest 2004
3268
151
1296
Hyperjump
Spring School Contest 2004
6881
72
1297
Palindrome
Spring School Contest 2004
6014
82
1298
Knight
Spring School Contest 2004
2144
229
1299
Psylonians
Spring School Contest 2004
319
1500
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