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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
254
1201
Which Day Is It?
USU Local Contest. March 2002
1357
359
1202
Rectangles Travel
USU Local Contest. March 2002
1106
440
1203
Scientific Conference
USU Local Contest. March 2002
5988
82
1204
Idempotents
USU Local Contest. March 2002
2148
227
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2068
236
1206
Sum of Digits of the Sum of Numbers
USU Local Contest. March 2002
4004
122
1207
Median on the Plane
USU Local Contest. March 2002
3865
127
1208
Legendary Teams Contest
USU Local Contest. March 2002
2304
212
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14405
34
1210
Kind Spirits
Autumn School Contest 2002
3029
163
1211
Collective Guarantee
Autumn School Contest 2002
1592
309
1212
Battleship
Autumn School Contest 2002
1007
486
1213
Cockroaches!
Autumn School Contest 2002
2929
168
1214
Strange Procedure
Autumn School Contest 2002
4885
101
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1647
298
1216
Two Pawns and One King
USU Championship 2002
231
2053
1217
Unlucky Tickets
USU Championship 2002
1202
408
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1533
321
1219
Symbolic Sequence
USU Championship 2002
4163
119
1220
Stacks
USU Championship 2002
1791
275
1221
Malevich Strikes Back!
USU Championship 2002
1164
421
1222
Chernobyl’ Eagles
USU Championship 2002
3499
141
1223
Chernobyl’ Eagle on a Roof
USU Championship 2002
1667
295
1224
Spiral
NEERC 2002 Central Subregional
7492
66
1225
Flags
NEERC 2002 Central Subregional
13943
35
1226
esreveR redrO
NEERC 2002 Central Subregional
4392
112
1227
Rally Championship
NEERC 2002 Central Subregional
1642
300
1228
Array
NEERC 2002 Central Subregional
4629
107
1229
Strong Brickwork
NEERC 2002 Central Subregional
1297
379
1230
Introspective Program
NEERC 2002 Central Subregional
645
756
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
222
2133
1232
Asteroid Landing
NEERC 2002 Central Subregional
202
2335
1233
Amusing Numbers
NEERC 2002
513
948
1234
Bricks
NEERC 2002
721
678
1235
Cricket Field
NEERC 2002
644
758
1236
Decoding Task
NEERC 2002
995
493
1237
Evacuation Plan
NEERC 2002
499
975
1238
Folding
NEERC 2002
1173
419
1239
Ghost Busters
NEERC 2002
152
3059
1240
Heroes of Might and Magic
NEERC 2002
341
1412
1241
Inlay Cutters
NEERC 2002
284
1687
1242
Werewolf
USU Personal Contest 2003
2763
179
1243
Divorce of the Seven Dwarfs
USU Personal Contest 2003
10109
49
1244
Gentlemen
USU Personal Contest 2003
1943
254
1245
Pictures
USU Personal Contest 2003
512
952
1246
Tethered Dog
USU Personal Contest 2003
1490
331
1247
Check a Sequence
USU Personal Contest 2003
2076
238
1248
Sequence Sum
USU Personal Contest 2003
740
663
1249
Ancient Necropolis
USU Local Contest. March 2003
2291
216
1250
Sea Burial
USU Local Contest. March 2003
677
724
1251
Cemetery Manager
USU Local Contest. March 2003
322
1498
1252
Sorting the Tombstones
USU Local Contest. March 2003
1236
399
1253
Necrologues
USU Local Contest. March 2003
700
700
1254
Die Hard
USU Local Contest. March 2003
770
638
1255
Graveyard of the Cosa Nostra
USU Local Contest. March 2003
1789
276
1256
Cemetery Guard
USU Local Contest. March 2003
210
2260
1257
Hyphenation
Autumn School Contest 2003
279
1733
1258
Pool
Autumn School Contest 2003
1194
416
1259
How to Become Star?
Autumn School Contest 2003
1264
393
1260
Nudnik Photographer
Autumn School Contest 2003
4510
111
1261
Tips
Autumn School Contest 2003
1502
331
1262
Pseudo-Roman Number
Autumn School Contest 2003
1283
387
1263
Elections
Autumn School Contest 2003
11743
43
1264
Workdays
Autumn School Contest 2003
23633
21
1265
Mirror
USU Championship 2003
316
1537
1266
Kirchhoff's Law
USU Championship 2003
335
1452
1267
Yekaterinburg Subway
USU Championship 2003
280
1728
1268
Little Chu
USU Championship 2003
672
735
1269
Obscene Words Filter
USU Championship 2003
581
848
1270
Unicube
USU Championship 2003
202
2363
1271
Sailing Directions
USU Championship 2003
97
4683
1272
Non-Yekaterinburg Subway
USU Championship 2003
3362
149
1273
Tie
USU Championship 2003
1074
462
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
710
696
1275
Knights of the Round Table
NEERC 2003 Central Subregional
199
2398
1276
Train
NEERC 2003 Central Subregional
675
732
1277
Cops and Thieves
NEERC 2003 Central Subregional
626
788
1278
“… Connecting People”
NEERC 2003 Central Subregional
501
981
1279
Warehouse
NEERC 2003 Central Subregional
1182
421
1280
Topological Sorting
NEERC 2003 Central Subregional
3514
142
1281
River Basin
NEERC 2003 Central Subregional
349
1396
1282
Game Tree
NEERC 2003 Central Subregional
1482
336
1283
Dwarf
USU Personal Contest 2004
4279
117
1284
Space Poker
USU Personal Contest 2004
204
2351
1285
Thread in a Hyperspace
USU Personal Contest 2004
299
1628
1286
Starship Travel
USU Personal Contest 2004
739
672
1287
Mars Canals
USU Personal Contest 2004
1319
379
1288
Astrolocation
USU Personal Contest 2004
206
2329
1289
One Way Ticket
USU Personal Contest 2004
1259
396
1290
Sabotage
Spring School Contest 2004
6347
79
1291
Gear-wheels
Spring School Contest 2004
1296
385
1292
Mars Space Stations
Spring School Contest 2004
1326
377
1293
Eniya
Spring School Contest 2004
34427
15
1294
Mars Satellites
Spring School Contest 2004
1605
312
1295
Crazy Notions
Spring School Contest 2004
3341
150
1296
Hyperjump
Spring School Contest 2004
7717
65
1297
Palindrome
Spring School Contest 2004
6172
81
1298
Knight
Spring School Contest 2004
2167
231
1299
Psylonians
Spring School Contest 2004
320
1525
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