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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
1925
255
1201
Which Day Is It?
USU Local Contest. March 2002
1360
360
1202
Rectangles Travel
USU Local Contest. March 2002
1108
441
1203
Scientific Conference
USU Local Contest. March 2002
6010
82
1204
Idempotents
USU Local Contest. March 2002
2151
228
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2071
237
1206
Sum of Digits of the Sum of Numbers
USU Local Contest. March 2002
4010
123
1207
Median on the Plane
USU Local Contest. March 2002
3932
125
1208
Legendary Teams Contest
USU Local Contest. March 2002
2316
212
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14483
34
1210
Kind Spirits
Autumn School Contest 2002
3047
162
1211
Collective Guarantee
Autumn School Contest 2002
1598
309
1212
Battleship
Autumn School Contest 2002
1009
487
1213
Cockroaches!
Autumn School Contest 2002
2934
169
1214
Strange Procedure
Autumn School Contest 2002
4895
101
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1652
299
1216
Two Pawns and One King
USU Championship 2002
230
2069
1217
Unlucky Tickets
USU Championship 2002
1205
409
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1541
320
1219
Symbolic Sequence
USU Championship 2002
4175
119
1220
Stacks
USU Championship 2002
1793
275
1221
Malevich Strikes Back!
USU Championship 2002
1168
422
1222
Chernobyl’ Eagles
USU Championship 2002
3500
142
1223
Chernobyl’ Eagle on a Roof
USU Championship 2002
1675
295
1224
Spiral
NEERC 2002 Central Subregional
7507
66
1225
Flags
NEERC 2002 Central Subregional
13991
35
1226
esreveR redrO
NEERC 2002 Central Subregional
4395
113
1227
Rally Championship
NEERC 2002 Central Subregional
1652
299
1228
Array
NEERC 2002 Central Subregional
4635
107
1229
Strong Brickwork
NEERC 2002 Central Subregional
1300
379
1230
Introspective Program
NEERC 2002 Central Subregional
649
754
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
222
2141
1232
Asteroid Landing
NEERC 2002 Central Subregional
202
2343
1233
Amusing Numbers
NEERC 2002
529
923
1234
Bricks
NEERC 2002
724
678
1235
Cricket Field
NEERC 2002
644
761
1236
Decoding Task
NEERC 2002
1002
491
1237
Evacuation Plan
NEERC 2002
499
978
1238
Folding
NEERC 2002
1179
419
1239
Ghost Busters
NEERC 2002
152
3070
1240
Heroes of Might and Magic
NEERC 2002
341
1417
1241
Inlay Cutters
NEERC 2002
284
1693
1242
Werewolf
USU Personal Contest 2003
2792
178
1243
Divorce of the Seven Dwarfs
USU Personal Contest 2003
10145
49
1244
Gentlemen
USU Personal Contest 2003
1948
255
1245
Pictures
USU Personal Contest 2003
511
958
1246
Tethered Dog
USU Personal Contest 2003
1497
331
1247
Check a Sequence
USU Personal Contest 2003
2078
239
1248
Sequence Sum
USU Personal Contest 2003
741
664
1249
Ancient Necropolis
USU Local Contest. March 2003
2296
216
1250
Sea Burial
USU Local Contest. March 2003
677
727
1251
Cemetery Manager
USU Local Contest. March 2003
322
1503
1252
Sorting the Tombstones
USU Local Contest. March 2003
1240
399
1253
Necrologues
USU Local Contest. March 2003
706
697
1254
Die Hard
USU Local Contest. March 2003
771
639
1255
Graveyard of the Cosa Nostra
USU Local Contest. March 2003
1791
277
1256
Cemetery Guard
USU Local Contest. March 2003
209
2279
1257
Hyphenation
Autumn School Contest 2003
278
1745
1258
Pool
Autumn School Contest 2003
1197
416
1259
How to Become Star?
Autumn School Contest 2003
1269
393
1260
Nudnik Photographer
Autumn School Contest 2003
4545
110
1261
Tips
Autumn School Contest 2003
1528
327
1262
Pseudo-Roman Number
Autumn School Contest 2003
1287
388
1263
Elections
Autumn School Contest 2003
11783
43
1264
Workdays
Autumn School Contest 2003
23761
21
1265
Mirror
USU Championship 2003
317
1538
1266
Kirchhoff's Law
USU Championship 2003
335
1458
1267
Yekaterinburg Subway
USU Championship 2003
280
1734
1268
Little Chu
USU Championship 2003
674
735
1269
Obscene Words Filter
USU Championship 2003
580
852
1270
Unicube
USU Championship 2003
202
2372
1271
Sailing Directions
USU Championship 2003
97
4700
1272
Non-Yekaterinburg Subway
USU Championship 2003
3387
148
1273
Tie
USU Championship 2003
1078
462
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
720
689
1275
Knights of the Round Table
NEERC 2003 Central Subregional
200
2396
1276
Train
NEERC 2003 Central Subregional
677
732
1277
Cops and Thieves
NEERC 2003 Central Subregional
626
791
1278
“… Connecting People”
NEERC 2003 Central Subregional
502
983
1279
Warehouse
NEERC 2003 Central Subregional
1185
421
1280
Topological Sorting
NEERC 2003 Central Subregional
3538
142
1281
River Basin
NEERC 2003 Central Subregional
349
1401
1282
Game Tree
NEERC 2003 Central Subregional
1487
336
1283
Dwarf
USU Personal Contest 2004
4280
118
1284
Space Poker
USU Personal Contest 2004
203
2370
1285
Thread in a Hyperspace
USU Personal Contest 2004
300
1629
1286
Starship Travel
USU Personal Contest 2004
755
660
1287
Mars Canals
USU Personal Contest 2004
1325
378
1288
Astrolocation
USU Personal Contest 2004
205
2348
1289
One Way Ticket
USU Personal Contest 2004
1262
397
1290
Sabotage
Spring School Contest 2004
6362
79
1291
Gear-wheels
Spring School Contest 2004
1307
384
1292
Mars Space Stations
Spring School Contest 2004
1331
377
1293
Eniya
Spring School Contest 2004
34580
15
1294
Mars Satellites
Spring School Contest 2004
1610
312
1295
Crazy Notions
Spring School Contest 2004
3346
151
1296
Hyperjump
Spring School Contest 2004
7757
65
1297
Palindrome
Spring School Contest 2004
6184
82
1298
Knight
Spring School Contest 2004
2170
232
1299
Psylonians
Spring School Contest 2004
319
1535
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