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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
1964
256
1201
Which Day Is It?
USU Local Contest. March 2002
1381
364
1202
Rectangles Travel
USU Local Contest. March 2002
1136
441
1203
Scientific Conference
USU Local Contest. March 2002
6289
80
1204
Idempotents
USU Local Contest. March 2002
2197
229
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2122
237
1206
Sum of Digits of the Sum of Numbers
USU Local Contest. March 2002
4078
124
1207
Median on the Plane
USU Local Contest. March 2002
4178
121
1208
Legendary Teams Contest
USU Local Contest. March 2002
2359
213
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14845
34
1210
Kind Spirits
Autumn School Contest 2002
2983
170
1211
Collective Guarantee
Autumn School Contest 2002
1627
311
1212
Battleship
Autumn School Contest 2002
1025
492
1213
Cockroaches!
Autumn School Contest 2002
2974
171
1214
Strange Procedure
Autumn School Contest 2002
4978
102
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1686
300
1216
Two Pawns and One King
USU Championship 2002
234
2089
1217
Unlucky Tickets
USU Championship 2002
1237
409
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1566
323
1219
Symbolic Sequence
USU Championship 2002
4232
120
1220
Stacks
USU Championship 2002
1824
278
1221
Malevich Strikes Back!
USU Championship 2002
1201
421
1222
Chernobyl’ Eagles
USU Championship 2002
3550
143
1223
Chernobyl’ Eagle on a Roof
USU Championship 2002
1734
292
1224
Spiral
NEERC 2002 Central Subregional
7733
66
1225
Flags
NEERC 2002 Central Subregional
14437
35
1226
esreveR redrO
NEERC 2002 Central Subregional
4480
114
1227
Rally Championship
NEERC 2002 Central Subregional
1679
302
1228
Array
NEERC 2002 Central Subregional
4707
108
1229
Strong Brickwork
NEERC 2002 Central Subregional
1322
383
1230
Introspective Program
NEERC 2002 Central Subregional
660
761
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
226
2160
1232
Asteroid Landing
NEERC 2002 Central Subregional
204
2382
1233
Amusing Numbers
NEERC 2002
543
923
1234
Bricks
NEERC 2002
734
686
1235
Cricket Field
NEERC 2002
654
769
1236
Decoding Task
NEERC 2002
1020
495
1237
Evacuation Plan
NEERC 2002
508
986
1238
Folding
NEERC 2002
1216
417
1239
Ghost Busters
NEERC 2002
154
3112
1240
Heroes of Might and Magic
NEERC 2002
346
1434
1241
Inlay Cutters
NEERC 2002
290
1703
1242
Werewolf
USU Personal Contest 2003
2888
177
1243
Divorce of the Seven Dwarfs
USU Personal Contest 2003
10406
49
1244
Gentlemen
USU Personal Contest 2003
1998
255
1245
Pictures
USU Personal Contest 2003
524
958
1246
Tethered Dog
USU Personal Contest 2003
1516
335
1247
Check a Sequence
USU Personal Contest 2003
2115
241
1248
Sequence Sum
USU Personal Contest 2003
759
666
1249
Ancient Necropolis
USU Local Contest. March 2003
2325
219
1250
Sea Burial
USU Local Contest. March 2003
691
730
1251
Cemetery Manager
USU Local Contest. March 2003
331
1502
1252
Sorting the Tombstones
USU Local Contest. March 2003
1272
399
1253
Necrologues
USU Local Contest. March 2003
729
693
1254
Die Hard
USU Local Contest. March 2003
784
645
1255
Graveyard of the Cosa Nostra
USU Local Contest. March 2003
1814
281
1256
Cemetery Guard
USU Local Contest. March 2003
215
2276
1257
Hyphenation
Autumn School Contest 2003
282
1765
1258
Pool
Autumn School Contest 2003
1227
417
1259
How to Become Star?
Autumn School Contest 2003
1294
395
1260
Nudnik Photographer
Autumn School Contest 2003
4631
111
1261
Tips
Autumn School Contest 2003
1554
330
1262
Pseudo-Roman Number
Autumn School Contest 2003
1310
391
1263
Elections
Autumn School Contest 2003
12114
43
1264
Workdays
Autumn School Contest 2003
24545
21
1265
Mirror
USU Championship 2003
324
1544
1266
Kirchhoff's Law
USU Championship 2003
342
1465
1267
Yekaterinburg Subway
USU Championship 2003
286
1742
1268
Little Chu
USU Championship 2003
695
731
1269
Obscene Words Filter
USU Championship 2003
599
847
1270
Unicube
USU Championship 2003
205
2399
1271
Sailing Directions
USU Championship 2003
101
4646
1272
Non-Yekaterinburg Subway
USU Championship 2003
3489
147
1273
Tie
USU Championship 2003
1100
465
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
737
691
1275
Knights of the Round Table
NEERC 2003 Central Subregional
205
2400
1276
Train
NEERC 2003 Central Subregional
690
737
1277
Cops and Thieves
NEERC 2003 Central Subregional
580
874
1278
“… Connecting People”
NEERC 2003 Central Subregional
511
990
1279
Warehouse
NEERC 2003 Central Subregional
1208
424
1280
Topological Sorting
NEERC 2003 Central Subregional
3635
142
1281
River Basin
NEERC 2003 Central Subregional
272
1829
1282
Game Tree
NEERC 2003 Central Subregional
1521
337
1283
Dwarf
USU Personal Contest 2004
4424
117
1284
Space Poker
USU Personal Contest 2004
210
2353
1285
Thread in a Hyperspace
USU Personal Contest 2004
306
1638
1286
Starship Travel
USU Personal Contest 2004
774
660
1287
Mars Canals
USU Personal Contest 2004
1349
381
1288
Astrolocation
USU Personal Contest 2004
213
2321
1289
One Way Ticket
USU Personal Contest 2004
1290
398
1290
Sabotage
Spring School Contest 2004
6446
80
1291
Gear-wheels
Spring School Contest 2004
1334
385
1292
Mars Space Stations
Spring School Contest 2004
1351
381
1293
Eniya
Spring School Contest 2004
35719
14
1294
Mars Satellites
Spring School Contest 2004
1630
316
1295
Crazy Notions
Spring School Contest 2004
3418
151
1296
Hyperjump
Spring School Contest 2004
8228
63
1297
Palindrome
Spring School Contest 2004
6302
82
1298
Knight
Spring School Contest 2004
2212
233
1299
Psylonians
Spring School Contest 2004
323
1555
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