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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
1954
256
1201
Which Day Is It?
USU Local Contest. March 2002
1381
361
1202
Rectangles Travel
USU Local Contest. March 2002
1124
443
1203
Scientific Conference
USU Local Contest. March 2002
6261
80
1204
Idempotents
USU Local Contest. March 2002
2181
229
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2111
237
1206
Sum of Digits of the Sum of Numbers
USU Local Contest. March 2002
4055
124
1207
Median on the Plane
USU Local Contest. March 2002
4160
121
1208
Legendary Teams Contest
USU Local Contest. March 2002
2349
213
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14753
34
1210
Kind Spirits
Autumn School Contest 2002
3103
163
1211
Collective Guarantee
Autumn School Contest 2002
1619
311
1212
Battleship
Autumn School Contest 2002
1021
491
1213
Cockroaches!
Autumn School Contest 2002
2964
170
1214
Strange Procedure
Autumn School Contest 2002
4963
102
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1675
301
1216
Two Pawns and One King
USU Championship 2002
233
2085
1217
Unlucky Tickets
USU Championship 2002
1227
410
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1557
323
1219
Symbolic Sequence
USU Championship 2002
4221
120
1220
Stacks
USU Championship 2002
1816
277
1221
Malevich Strikes Back!
USU Championship 2002
1190
422
1222
Chernobyl’ Eagles
USU Championship 2002
3540
143
1223
Chernobyl’ Eagle on a Roof
USU Championship 2002
1713
294
1224
Spiral
NEERC 2002 Central Subregional
7645
66
1225
Flags
NEERC 2002 Central Subregional
14317
35
1226
esreveR redrO
NEERC 2002 Central Subregional
4459
113
1227
Rally Championship
NEERC 2002 Central Subregional
1671
301
1228
Array
NEERC 2002 Central Subregional
4679
108
1229
Strong Brickwork
NEERC 2002 Central Subregional
1319
381
1230
Introspective Program
NEERC 2002 Central Subregional
655
762
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
225
2156
1232
Asteroid Landing
NEERC 2002 Central Subregional
204
2368
1233
Amusing Numbers
NEERC 2002
536
929
1234
Bricks
NEERC 2002
730
686
1235
Cricket Field
NEERC 2002
652
766
1236
Decoding Task
NEERC 2002
1017
494
1237
Evacuation Plan
NEERC 2002
505
986
1238
Folding
NEERC 2002
1209
417
1239
Ghost Busters
NEERC 2002
153
3113
1240
Heroes of Might and Magic
NEERC 2002
345
1429
1241
Inlay Cutters
NEERC 2002
288
1704
1242
Werewolf
USU Personal Contest 2003
2872
177
1243
Divorce of the Seven Dwarfs
USU Personal Contest 2003
10342
49
1244
Gentlemen
USU Personal Contest 2003
1986
255
1245
Pictures
USU Personal Contest 2003
521
958
1246
Tethered Dog
USU Personal Contest 2003
1512
334
1247
Check a Sequence
USU Personal Contest 2003
2107
240
1248
Sequence Sum
USU Personal Contest 2003
755
665
1249
Ancient Necropolis
USU Local Contest. March 2003
2319
219
1250
Sea Burial
USU Local Contest. March 2003
687
730
1251
Cemetery Manager
USU Local Contest. March 2003
330
1497
1252
Sorting the Tombstones
USU Local Contest. March 2003
1265
399
1253
Necrologues
USU Local Contest. March 2003
723
694
1254
Die Hard
USU Local Contest. March 2003
783
642
1255
Graveyard of the Cosa Nostra
USU Local Contest. March 2003
1810
280
1256
Cemetery Guard
USU Local Contest. March 2003
214
2272
1257
Hyphenation
Autumn School Contest 2003
282
1755
1258
Pool
Autumn School Contest 2003
1219
417
1259
How to Become Star?
Autumn School Contest 2003
1290
394
1260
Nudnik Photographer
Autumn School Contest 2003
4620
111
1261
Tips
Autumn School Contest 2003
1548
329
1262
Pseudo-Roman Number
Autumn School Contest 2003
1304
390
1263
Elections
Autumn School Contest 2003
12005
43
1264
Workdays
Autumn School Contest 2003
24328
21
1265
Mirror
USU Championship 2003
322
1544
1266
Kirchhoff's Law
USU Championship 2003
342
1457
1267
Yekaterinburg Subway
USU Championship 2003
286
1732
1268
Little Chu
USU Championship 2003
688
735
1269
Obscene Words Filter
USU Championship 2003
597
845
1270
Unicube
USU Championship 2003
204
2396
1271
Sailing Directions
USU Championship 2003
101
4619
1272
Non-Yekaterinburg Subway
USU Championship 2003
3477
147
1273
Tie
USU Championship 2003
1092
465
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
735
689
1275
Knights of the Round Table
NEERC 2003 Central Subregional
205
2386
1276
Train
NEERC 2003 Central Subregional
686
737
1277
Cops and Thieves
NEERC 2003 Central Subregional
638
792
1278
“… Connecting People”
NEERC 2003 Central Subregional
509
988
1279
Warehouse
NEERC 2003 Central Subregional
1202
423
1280
Topological Sorting
NEERC 2003 Central Subregional
3620
141
1281
River Basin
NEERC 2003 Central Subregional
362
1379
1282
Game Tree
NEERC 2003 Central Subregional
1510
337
1283
Dwarf
USU Personal Contest 2004
4403
117
1284
Space Poker
USU Personal Contest 2004
208
2361
1285
Thread in a Hyperspace
USU Personal Contest 2004
306
1629
1286
Starship Travel
USU Personal Contest 2004
769
661
1287
Mars Canals
USU Personal Contest 2004
1346
380
1288
Astrolocation
USU Personal Contest 2004
210
2340
1289
One Way Ticket
USU Personal Contest 2004
1278
400
1290
Sabotage
Spring School Contest 2004
6430
80
1291
Gear-wheels
Spring School Contest 2004
1329
385
1292
Mars Space Stations
Spring School Contest 2004
1345
380
1293
Eniya
Spring School Contest 2004
35412
15
1294
Mars Satellites
Spring School Contest 2004
1624
315
1295
Crazy Notions
Spring School Contest 2004
3403
151
1296
Hyperjump
Spring School Contest 2004
8152
63
1297
Palindrome
Spring School Contest 2004
6272
82
1298
Knight
Spring School Contest 2004
2200
233
1299
Psylonians
Spring School Contest 2004
323
1546
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