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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
1933
256
1201
Which Day Is It?
USU Local Contest. March 2002
1370
360
1202
Rectangles Travel
USU Local Contest. March 2002
1114
442
1203
Scientific Conference
USU Local Contest. March 2002
6111
81
1204
Idempotents
USU Local Contest. March 2002
2162
229
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2084
237
1206
Sum of Digits of the Sum of Numbers
USU Local Contest. March 2002
4036
123
1207
Median on the Plane
USU Local Contest. March 2002
3973
125
1208
Legendary Teams Contest
USU Local Contest. March 2002
2329
213
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14580
34
1210
Kind Spirits
Autumn School Contest 2002
3066
163
1211
Collective Guarantee
Autumn School Contest 2002
1607
310
1212
Battleship
Autumn School Contest 2002
1017
488
1213
Cockroaches!
Autumn School Contest 2002
2947
169
1214
Strange Procedure
Autumn School Contest 2002
4934
101
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1663
299
1216
Two Pawns and One King
USU Championship 2002
231
2079
1217
Unlucky Tickets
USU Championship 2002
1214
409
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1550
321
1219
Symbolic Sequence
USU Championship 2002
4202
119
1220
Stacks
USU Championship 2002
1802
277
1221
Malevich Strikes Back!
USU Championship 2002
1179
421
1222
Chernobyl’ Eagles
USU Championship 2002
3520
142
1223
Chernobyl’ Eagle on a Roof
USU Championship 2002
1687
295
1224
Spiral
NEERC 2002 Central Subregional
7591
66
1225
Flags
NEERC 2002 Central Subregional
14156
35
1226
esreveR redrO
NEERC 2002 Central Subregional
4418
113
1227
Rally Championship
NEERC 2002 Central Subregional
1658
300
1228
Array
NEERC 2002 Central Subregional
4660
107
1229
Strong Brickwork
NEERC 2002 Central Subregional
1309
380
1230
Introspective Program
NEERC 2002 Central Subregional
652
757
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
223
2151
1232
Asteroid Landing
NEERC 2002 Central Subregional
202
2364
1233
Amusing Numbers
NEERC 2002
533
924
1234
Bricks
NEERC 2002
725
683
1235
Cricket Field
NEERC 2002
649
761
1236
Decoding Task
NEERC 2002
1009
492
1237
Evacuation Plan
NEERC 2002
501
983
1238
Folding
NEERC 2002
1193
417
1239
Ghost Busters
NEERC 2002
152
3097
1240
Heroes of Might and Magic
NEERC 2002
344
1417
1241
Inlay Cutters
NEERC 2002
286
1697
1242
Werewolf
USU Personal Contest 2003
2818
178
1243
Divorce of the Seven Dwarfs
USU Personal Contest 2003
10264
49
1244
Gentlemen
USU Personal Contest 2003
1959
256
1245
Pictures
USU Personal Contest 2003
519
951
1246
Tethered Dog
USU Personal Contest 2003
1505
332
1247
Check a Sequence
USU Personal Contest 2003
2090
240
1248
Sequence Sum
USU Personal Contest 2003
750
662
1249
Ancient Necropolis
USU Local Contest. March 2003
2306
217
1250
Sea Burial
USU Local Contest. March 2003
684
725
1251
Cemetery Manager
USU Local Contest. March 2003
324
1507
1252
Sorting the Tombstones
USU Local Contest. March 2003
1248
400
1253
Necrologues
USU Local Contest. March 2003
717
692
1254
Die Hard
USU Local Contest. March 2003
779
638
1255
Graveyard of the Cosa Nostra
USU Local Contest. March 2003
1798
278
1256
Cemetery Guard
USU Local Contest. March 2003
211
2278
1257
Hyphenation
Autumn School Contest 2003
279
1754
1258
Pool
Autumn School Contest 2003
1205
417
1259
How to Become Star?
Autumn School Contest 2003
1279
393
1260
Nudnik Photographer
Autumn School Contest 2003
4588
110
1261
Tips
Autumn School Contest 2003
1537
328
1262
Pseudo-Roman Number
Autumn School Contest 2003
1297
388
1263
Elections
Autumn School Contest 2003
11911
43
1264
Workdays
Autumn School Contest 2003
24072
21
1265
Mirror
USU Championship 2003
319
1542
1266
Kirchhoff's Law
USU Championship 2003
338
1457
1267
Yekaterinburg Subway
USU Championship 2003
282
1737
1268
Little Chu
USU Championship 2003
682
733
1269
Obscene Words Filter
USU Championship 2003
586
851
1270
Unicube
USU Championship 2003
202
2392
1271
Sailing Directions
USU Championship 2003
100
4611
1272
Non-Yekaterinburg Subway
USU Championship 2003
3410
148
1273
Tie
USU Championship 2003
1085
463
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
729
687
1275
Knights of the Round Table
NEERC 2003 Central Subregional
204
2371
1276
Train
NEERC 2003 Central Subregional
682
733
1277
Cops and Thieves
NEERC 2003 Central Subregional
632
790
1278
“… Connecting People”
NEERC 2003 Central Subregional
508
980
1279
Warehouse
NEERC 2003 Central Subregional
1192
422
1280
Topological Sorting
NEERC 2003 Central Subregional
3571
142
1281
River Basin
NEERC 2003 Central Subregional
357
1383
1282
Game Tree
NEERC 2003 Central Subregional
1499
336
1283
Dwarf
USU Personal Contest 2004
4364
116
1284
Space Poker
USU Personal Contest 2004
206
2357
1285
Thread in a Hyperspace
USU Personal Contest 2004
304
1622
1286
Starship Travel
USU Personal Contest 2004
760
661
1287
Mars Canals
USU Personal Contest 2004
1335
379
1288
Astrolocation
USU Personal Contest 2004
208
2336
1289
One Way Ticket
USU Personal Contest 2004
1268
398
1290
Sabotage
Spring School Contest 2004
6390
80
1291
Gear-wheels
Spring School Contest 2004
1319
383
1292
Mars Space Stations
Spring School Contest 2004
1338
378
1293
Eniya
Spring School Contest 2004
35031
15
1294
Mars Satellites
Spring School Contest 2004
1614
314
1295
Crazy Notions
Spring School Contest 2004
3377
150
1296
Hyperjump
Spring School Contest 2004
7910
64
1297
Palindrome
Spring School Contest 2004
6233
82
1298
Knight
Spring School Contest 2004
2180
233
1299
Psylonians
Spring School Contest 2004
323
1530
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