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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
1918
253
1201
Which Day Is It?
USU Local Contest. March 2002
1354
358
1202
Rectangles Travel
USU Local Contest. March 2002
1097
441
1203
Scientific Conference
USU Local Contest. March 2002
5908
82
1204
Idempotents
USU Local Contest. March 2002
2136
227
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2059
236
1206
Sum of Digits of the Sum of Numbers
USU Local Contest. March 2002
3986
122
1207
Median on the Plane
USU Local Contest. March 2002
3627
134
1208
Legendary Teams Contest
USU Local Contest. March 2002
2295
212
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14259
34
1210
Kind Spirits
Autumn School Contest 2002
3014
163
1211
Collective Guarantee
Autumn School Contest 2002
1583
309
1212
Battleship
Autumn School Contest 2002
1003
485
1213
Cockroaches!
Autumn School Contest 2002
2913
168
1214
Strange Procedure
Autumn School Contest 2002
4860
101
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1638
298
1216
Two Pawns and One King
USU Championship 2002
229
2058
1217
Unlucky Tickets
USU Championship 2002
1197
408
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1526
320
1219
Symbolic Sequence
USU Championship 2002
4143
118
1220
Stacks
USU Championship 2002
1782
274
1221
Malevich Strikes Back!
USU Championship 2002
1155
422
1222
Chernobyl’ Eagles
USU Championship 2002
3482
141
1223
Chernobyl’ Eagle on a Roof
USU Championship 2002
1654
296
1224
Spiral
NEERC 2002 Central Subregional
7447
66
1225
Flags
NEERC 2002 Central Subregional
13831
36
1226
esreveR redrO
NEERC 2002 Central Subregional
4380
112
1227
Rally Championship
NEERC 2002 Central Subregional
1630
300
1228
Array
NEERC 2002 Central Subregional
4611
106
1229
Strong Brickwork
NEERC 2002 Central Subregional
1293
378
1230
Introspective Program
NEERC 2002 Central Subregional
642
755
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
219
2149
1232
Asteroid Landing
NEERC 2002 Central Subregional
200
2343
1233
Amusing Numbers
NEERC 2002
511
946
1234
Bricks
NEERC 2002
711
683
1235
Cricket Field
NEERC 2002
639
759
1236
Decoding Task
NEERC 2002
993
491
1237
Evacuation Plan
NEERC 2002
498
971
1238
Folding
NEERC 2002
1163
420
1239
Ghost Busters
NEERC 2002
151
3060
1240
Heroes of Might and Magic
NEERC 2002
340
1408
1241
Inlay Cutters
NEERC 2002
283
1683
1242
Werewolf
USU Personal Contest 2003
2746
179
1243
Divorce of the Seven Dwarfs
USU Personal Contest 2003
10047
49
1244
Gentlemen
USU Personal Contest 2003
1929
255
1245
Pictures
USU Personal Contest 2003
511
948
1246
Tethered Dog
USU Personal Contest 2003
1482
331
1247
Check a Sequence
USU Personal Contest 2003
2064
238
1248
Sequence Sum
USU Personal Contest 2003
736
662
1249
Ancient Necropolis
USU Local Contest. March 2003
2281
216
1250
Sea Burial
USU Local Contest. March 2003
671
726
1251
Cemetery Manager
USU Local Contest. March 2003
317
1512
1252
Sorting the Tombstones
USU Local Contest. March 2003
1228
399
1253
Necrologues
USU Local Contest. March 2003
697
699
1254
Die Hard
USU Local Contest. March 2003
761
641
1255
Graveyard of the Cosa Nostra
USU Local Contest. March 2003
1782
276
1256
Cemetery Guard
USU Local Contest. March 2003
208
2268
1257
Hyphenation
Autumn School Contest 2003
277
1735
1258
Pool
Autumn School Contest 2003
1187
416
1259
How to Become Star?
Autumn School Contest 2003
1256
393
1260
Nudnik Photographer
Autumn School Contest 2003
4483
111
1261
Tips
Autumn School Contest 2003
1499
330
1262
Pseudo-Roman Number
Autumn School Contest 2003
1277
387
1263
Elections
Autumn School Contest 2003
11678
43
1264
Workdays
Autumn School Contest 2003
23399
21
1265
Mirror
USU Championship 2003
314
1537
1266
Kirchhoff's Law
USU Championship 2003
331
1461
1267
Yekaterinburg Subway
USU Championship 2003
257
1866
1268
Little Chu
USU Championship 2003
665
738
1269
Obscene Words Filter
USU Championship 2003
577
849
1270
Unicube
USU Championship 2003
199
2383
1271
Sailing Directions
USU Championship 2003
96
4699
1272
Non-Yekaterinburg Subway
USU Championship 2003
3337
149
1273
Tie
USU Championship 2003
1068
462
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
706
696
1275
Knights of the Round Table
NEERC 2003 Central Subregional
197
2408
1276
Train
NEERC 2003 Central Subregional
672
731
1277
Cops and Thieves
NEERC 2003 Central Subregional
622
789
1278
“… Connecting People”
NEERC 2003 Central Subregional
499
979
1279
Warehouse
NEERC 2003 Central Subregional
1180
419
1280
Topological Sorting
NEERC 2003 Central Subregional
3494
142
1281
River Basin
NEERC 2003 Central Subregional
347
1396
1282
Game Tree
NEERC 2003 Central Subregional
1477
335
1283
Dwarf
USU Personal Contest 2004
4253
117
1284
Space Poker
USU Personal Contest 2004
203
2348
1285
Thread in a Hyperspace
USU Personal Contest 2004
297
1629
1286
Starship Travel
USU Personal Contest 2004
730
676
1287
Mars Canals
USU Personal Contest 2004
1316
377
1288
Astrolocation
USU Personal Contest 2004
205
2326
1289
One Way Ticket
USU Personal Contest 2004
1251
397
1290
Sabotage
Spring School Contest 2004
6313
79
1291
Gear-wheels
Spring School Contest 2004
1284
387
1292
Mars Space Stations
Spring School Contest 2004
1322
376
1293
Eniya
Spring School Contest 2004
34033
15
1294
Mars Satellites
Spring School Contest 2004
1600
311
1295
Crazy Notions
Spring School Contest 2004
3312
151
1296
Hyperjump
Spring School Contest 2004
7392
68
1297
Palindrome
Spring School Contest 2004
6137
81
1298
Knight
Spring School Contest 2004
2160
231
1299
Psylonians
Spring School Contest 2004
319
1521
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