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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
1928
255
1201
Which Day Is It?
USU Local Contest. March 2002
1365
359
1202
Rectangles Travel
USU Local Contest. March 2002
1109
441
1203
Scientific Conference
USU Local Contest. March 2002
6019
82
1204
Idempotents
USU Local Contest. March 2002
2153
228
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2072
237
1206
Sum of Digits of the Sum of Numbers
USU Local Contest. March 2002
4020
123
1207
Median on the Plane
USU Local Contest. March 2002
3949
125
1208
Legendary Teams Contest
USU Local Contest. March 2002
2320
212
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14504
34
1210
Kind Spirits
Autumn School Contest 2002
3052
163
1211
Collective Guarantee
Autumn School Contest 2002
1601
309
1212
Battleship
Autumn School Contest 2002
1010
488
1213
Cockroaches!
Autumn School Contest 2002
2938
169
1214
Strange Procedure
Autumn School Contest 2002
4910
101
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1654
299
1216
Two Pawns and One King
USU Championship 2002
230
2075
1217
Unlucky Tickets
USU Championship 2002
1208
409
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1542
321
1219
Symbolic Sequence
USU Championship 2002
4183
119
1220
Stacks
USU Championship 2002
1795
276
1221
Malevich Strikes Back!
USU Championship 2002
1172
421
1222
Chernobyl’ Eagles
USU Championship 2002
3510
141
1223
Chernobyl’ Eagle on a Roof
USU Championship 2002
1681
294
1224
Spiral
NEERC 2002 Central Subregional
7515
66
1225
Flags
NEERC 2002 Central Subregional
14023
35
1226
esreveR redrO
NEERC 2002 Central Subregional
4402
113
1227
Rally Championship
NEERC 2002 Central Subregional
1653
300
1228
Array
NEERC 2002 Central Subregional
4644
107
1229
Strong Brickwork
NEERC 2002 Central Subregional
1301
380
1230
Introspective Program
NEERC 2002 Central Subregional
650
755
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
222
2147
1232
Asteroid Landing
NEERC 2002 Central Subregional
202
2350
1233
Amusing Numbers
NEERC 2002
531
922
1234
Bricks
NEERC 2002
724
679
1235
Cricket Field
NEERC 2002
647
759
1236
Decoding Task
NEERC 2002
1003
492
1237
Evacuation Plan
NEERC 2002
500
979
1238
Folding
NEERC 2002
1186
417
1239
Ghost Busters
NEERC 2002
152
3079
1240
Heroes of Might and Magic
NEERC 2002
341
1421
1241
Inlay Cutters
NEERC 2002
285
1692
1242
Werewolf
USU Personal Contest 2003
2795
178
1243
Divorce of the Seven Dwarfs
USU Personal Contest 2003
10166
49
1244
Gentlemen
USU Personal Contest 2003
1953
255
1245
Pictures
USU Personal Contest 2003
515
953
1246
Tethered Dog
USU Personal Contest 2003
1498
332
1247
Check a Sequence
USU Personal Contest 2003
2082
239
1248
Sequence Sum
USU Personal Contest 2003
743
664
1249
Ancient Necropolis
USU Local Contest. March 2003
2300
217
1250
Sea Burial
USU Local Contest. March 2003
680
725
1251
Cemetery Manager
USU Local Contest. March 2003
322
1507
1252
Sorting the Tombstones
USU Local Contest. March 2003
1242
400
1253
Necrologues
USU Local Contest. March 2003
708
697
1254
Die Hard
USU Local Contest. March 2003
773
639
1255
Graveyard of the Cosa Nostra
USU Local Contest. March 2003
1792
278
1256
Cemetery Guard
USU Local Contest. March 2003
209
2285
1257
Hyphenation
Autumn School Contest 2003
278
1750
1258
Pool
Autumn School Contest 2003
1198
417
1259
How to Become Star?
Autumn School Contest 2003
1270
394
1260
Nudnik Photographer
Autumn School Contest 2003
4557
110
1261
Tips
Autumn School Contest 2003
1530
327
1262
Pseudo-Roman Number
Autumn School Contest 2003
1289
388
1263
Elections
Autumn School Contest 2003
11803
43
1264
Workdays
Autumn School Contest 2003
23806
21
1265
Mirror
USU Championship 2003
318
1537
1266
Kirchhoff's Law
USU Championship 2003
335
1461
1267
Yekaterinburg Subway
USU Championship 2003
281
1733
1268
Little Chu
USU Championship 2003
674
737
1269
Obscene Words Filter
USU Championship 2003
581
853
1270
Unicube
USU Championship 2003
202
2378
1271
Sailing Directions
USU Championship 2003
97
4712
1272
Non-Yekaterinburg Subway
USU Championship 2003
3391
148
1273
Tie
USU Championship 2003
1080
463
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
723
688
1275
Knights of the Round Table
NEERC 2003 Central Subregional
200
2402
1276
Train
NEERC 2003 Central Subregional
679
732
1277
Cops and Thieves
NEERC 2003 Central Subregional
628
791
1278
“… Connecting People”
NEERC 2003 Central Subregional
502
985
1279
Warehouse
NEERC 2003 Central Subregional
1188
421
1280
Topological Sorting
NEERC 2003 Central Subregional
3551
142
1281
River Basin
NEERC 2003 Central Subregional
350
1401
1282
Game Tree
NEERC 2003 Central Subregional
1490
336
1283
Dwarf
USU Personal Contest 2004
4290
118
1284
Space Poker
USU Personal Contest 2004
203
2376
1285
Thread in a Hyperspace
USU Personal Contest 2004
301
1628
1286
Starship Travel
USU Personal Contest 2004
755
662
1287
Mars Canals
USU Personal Contest 2004
1329
378
1288
Astrolocation
USU Personal Contest 2004
205
2354
1289
One Way Ticket
USU Personal Contest 2004
1262
398
1290
Sabotage
Spring School Contest 2004
6366
79
1291
Gear-wheels
Spring School Contest 2004
1309
384
1292
Mars Space Stations
Spring School Contest 2004
1333
377
1293
Eniya
Spring School Contest 2004
34660
15
1294
Mars Satellites
Spring School Contest 2004
1610
313
1295
Crazy Notions
Spring School Contest 2004
3353
151
1296
Hyperjump
Spring School Contest 2004
7783
65
1297
Palindrome
Spring School Contest 2004
6199
82
1298
Knight
Spring School Contest 2004
2174
232
1299
Psylonians
Spring School Contest 2004
320
1535
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