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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
1820
250
1201
Which Day Is It?
USU Local Contest. March 2002
1294
350
1202
Rectangles Travel
USU Local Contest. March 2002
1026
441
1203
Scientific Conference
USU Local Contest. March 2002
5296
86
1204
Idempotents
USU Local Contest. March 2002
2014
226
1205
By the Underground or by Foot?
USU Local Contest. March 2002
1989
228
1206
Sum of Digits of the Sum of Numbers
USU Local Contest. March 2002
3815
119
1207
Median on the Plane
USU Local Contest. March 2002
2233
204
1208
Legendary Teams Contest
USU Local Contest. March 2002
2163
210
1209
1, 10, 100, 1000...
Autumn School Contest 2002
12715
36
1210
Kind Spirits
Autumn School Contest 2002
3139
146
1211
Collective Guarantee
Autumn School Contest 2002
1438
318
1212
Battleship
Autumn School Contest 2002
905
504
1213
Cockroaches!
Autumn School Contest 2002
2742
167
1214
Strange Procedure
Autumn School Contest 2002
4604
100
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1536
298
1216
Two Pawns and One King
USU Championship 2002
216
2040
1217
Unlucky Tickets
USU Championship 2002
1124
407
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1426
321
1219
Symbolic Sequence
USU Championship 2002
3978
116
1220
Stacks
USU Championship 2002
1692
271
1221
Malevich Strikes Back!
USU Championship 2002
1093
418
1222
Chernobyl’ Eagles
USU Championship 2002
3331
138
1223
Chernobyl’ Eagle on a Roof
USU Championship 2002
1441
318
1224
Spiral
NEERC 2002 Central Subregional
6854
67
1225
Flags
NEERC 2002 Central Subregional
12367
37
1226
esreveR redrO
NEERC 2002 Central Subregional
4160
111
1227
Rally Championship
NEERC 2002 Central Subregional
1501
305
1228
Array
NEERC 2002 Central Subregional
4440
104
1229
Strong Brickwork
NEERC 2002 Central Subregional
1222
374
1230
Introspective Program
NEERC 2002 Central Subregional
620
732
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
207
2125
1232
Asteroid Landing
NEERC 2002 Central Subregional
185
2365
1233
Amusing Numbers
NEERC 2002
481
940
1234
Bricks
NEERC 2002
685
664
1235
Cricket Field
NEERC 2002
613
741
1236
Decoding Task
NEERC 2002
924
494
1237
Evacuation Plan
NEERC 2002
474
955
1238
Folding
NEERC 2002
1073
427
1239
Ghost Busters
NEERC 2002
147
2941
1240
Heroes of Might and Magic
NEERC 2002
321
1395
1241
Inlay Cutters
NEERC 2002
270
1651
1242
Werewolf
USU Personal Contest 2003
2270
203
1243
Divorce of the Seven Dwarfs
USU Personal Contest 2003
9178
50
1244
Gentlemen
USU Personal Contest 2003
1782
259
1245
Pictures
USU Personal Contest 2003
493
921
1246
Tethered Dog
USU Personal Contest 2003
1377
334
1247
Check a Sequence
USU Personal Contest 2003
1960
235
1248
Sequence Sum
USU Personal Contest 2003
701
652
1249
Ancient Necropolis
USU Local Contest. March 2003
2179
212
1250
Sea Burial
USU Local Contest. March 2003
643
710
1251
Cemetery Manager
USU Local Contest. March 2003
271
1650
1252
Sorting the Tombstones
USU Local Contest. March 2003
1154
398
1253
Necrologues
USU Local Contest. March 2003
672
680
1254
Die Hard
USU Local Contest. March 2003
716
639
1255
Graveyard of the Cosa Nostra
USU Local Contest. March 2003
1714
269
1256
Cemetery Guard
USU Local Contest. March 2003
195
2261
1257
Hyphenation
Autumn School Contest 2003
262
1718
1258
Pool
Autumn School Contest 2003
1113
416
1259
How to Become Star?
Autumn School Contest 2003
1185
391
1260
Nudnik Photographer
Autumn School Contest 2003
4203
111
1261
Tips
Autumn School Contest 2003
1383
336
1262
Pseudo-Roman Number
Autumn School Contest 2003
1225
378
1263
Elections
Autumn School Contest 2003
10686
44
1264
Workdays
Autumn School Contest 2003
20483
23
1265
Mirror
USU Championship 2003
302
1499
1266
Kirchhoff's Law
USU Championship 2003
310
1461
1267
Yekaterinburg Subway
USU Championship 2003
231
1940
1268
Little Chu
USU Championship 2003
617
746
1269
Obscene Words Filter
USU Championship 2003
543
846
1270
Unicube
USU Championship 2003
182
2435
1271
Sailing Directions
USU Championship 2003
92
4584
1272
Non-Yekaterinburg Subway
USU Championship 2003
3087
151
1273
Tie
USU Championship 2003
981
472
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
677
681
1275
Knights of the Round Table
NEERC 2003 Central Subregional
162
2720
1276
Train
NEERC 2003 Central Subregional
594
775
1277
Cops and Thieves
NEERC 2003 Central Subregional
586
785
1278
“… Connecting People”
NEERC 2003 Central Subregional
466
983
1279
Warehouse
NEERC 2003 Central Subregional
1112
417
1280
Topological Sorting
NEERC 2003 Central Subregional
3257
143
1281
River Basin
NEERC 2003 Central Subregional
325
1397
1282
Game Tree
NEERC 2003 Central Subregional
1390
334
1283
Dwarf
USU Personal Contest 2004
3935
119
1284
Space Poker
USU Personal Contest 2004
190
2349
1285
Thread in a Hyperspace
USU Personal Contest 2004
271
1672
1286
Starship Travel
USU Personal Contest 2004
681
680
1287
Mars Canals
USU Personal Contest 2004
1251
373
1288
Astrolocation
USU Personal Contest 2004
202
2216
1289
One Way Ticket
USU Personal Contest 2004
1199
389
1290
Sabotage
Spring School Contest 2004
5948
79
1291
Gear-wheels
Spring School Contest 2004
1172
398
1292
Mars Space Stations
Spring School Contest 2004
1272
367
1293
Eniya
Spring School Contest 2004
29579
16
1294
Mars Satellites
Spring School Contest 2004
1514
308
1295
Crazy Notions
Spring School Contest 2004
3099
151
1296
Hyperjump
Spring School Contest 2004
5358
88
1297
Palindrome
Spring School Contest 2004
5641
83
1298
Knight
Spring School Contest 2004
1804
259
1299
Psylonians
Spring School Contest 2004
308
1478
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