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Problem set. Volume 4
Solved problems:
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ID
Title
Source
Authors
Difficulty
1300
Taxes
Ural Championship 1998
169
2907
1301
Cube in Labyrinth
Ural Championship 1998
688
746
1302
Delta-wave
Ural Championship 1998
1471
351
1303
Minimal Coverage
Ural Championship 1998
2868
181
1304
Parallelepiped
Ural Championship 1998
263
1906
1305
Convex Hull
Ural Championship 1998
724
709
1306
Sequence Median
Ural Championship 1998
3568
145
1307
Archiver
Ural Championship 2004. Round 1
393
1292
1308
Dean's Pyramid
Ural Championship 2004. Round 1
171
2876
1309
Dispute
Ural Championship 2004. Round 1
854
603
1310
ACM Diagnostics
Ural Championship 2004. Round 1
477
1069
1311
Stable Construction
Ural Championship 2004. Round 1
351
1442
1312
Tray
Ural Championship 2004. Round 1
162
3027
1313
Some Words about Sport
Ural Championship 2004. Round 1
15348
34
1314
Chase in Subway
Ural Championship 2004. Round 1
876
588
1315
MDPAR and MIIAR
Ural Championship 2004. Round 1
272
1846
1316
Electronic Auction
Ural Championship 2004. Round 1
1185
436
1317
Hail
Ural Championship 2004. Round 2
478
1067
1318
Logarithm
Ural Championship 2004. Round 2
363
1396
1319
Hotel
Ural Championship 2004. Round 2
13453
39
1320
Graph Decomposition
Ural Championship 2004. Round 2
1804
287
1321
Floor Indicator
Ural Championship 2004. Round 2
373
1359
1322
Spy
Ural Championship 2004. Round 2
2825
184
1323
Classmates
Ural Championship 2004. Round 2
617
830
1324
Extra Spaces
Ural Championship 2004. Round 2
548
933
1325
Dirt
Ural Championship 2004. Round 2
960
537
1326
Bottle Taps
Ural Championship 2004. Round 2
1321
391
1327
Fuses
Autumn School Contest 2004
11140
47
1328
Fireball
Autumn School Contest 2004
360
1414
1329
Galactic History
Autumn School Contest 2004
1132
458
1330
Intervals
Autumn School Contest 2004
5464
96
1331
Vladislava
Autumn School Contest 2004
518
991
1332
Genie Bomber
Autumn School Contest 2004
839
616
1333
Genie Bomber 2
Autumn School Contest 2004
2390
218
1334
Checkers
Autumn School Contest 2004
959
540
1335
White Thesis
Autumn School Contest 2004
2861
182
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4256
123
1337
Bureaucracy
Autumn School Contest 2004
331
1535
1338
Automobiles
USU Championship 2004
289
1756
1339
Babies
USU Championship 2004
602
858
1340
Cucaracha
USU Championship 2004
96
4952
1341
Device
USU Championship 2004
452
1136
1342
Enterprise
USU Championship 2004
705
734
1343
Fairy Tale
USU Championship 2004
1249
417
1344
Gigantic Turnip
USU Championship 2004
111
4338
1345
HTML
USU Championship 2004
357
1430
1346
Intervals of Monotonicity
USU Championship 2004
1757
297
1347
Blog
Spring School Contest 2005
375
1364
1348
Goat in the Garden 2
Spring School Contest 2005
2931
179
1349
Farm
Spring School Contest 2005
10338
51
1350
Canteen
Spring School Contest 2005
1341
389
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
993
524
1352
Mersenne Primes
Spring School Contest 2005
3977
132
1353
Milliard Vasya's Function
Spring School Contest 2005
5080
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3778
139
1355
Bald Spot Revisited
Spring School Contest 2005
2470
212
1356
Something Easier
Spring School Contest 2005
1754
298
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
430
1194
1358
Cables
Spring School Contest 2005
964
539
1359
Construction
Spring School Contest 2005
441
1165
1360
Philosophical Dispute
Ural Championship 2005. Round 2
400
1282
1361
Spaceology vs. Chronistics
Ural Championship 2005. Round 2
261
1940
1362
Classmates 2
Ural Championship 2005. Round 2
1176
443
1363
Halftones
Ural Championship 2005. Round 2
93
5104
1364
LaraKiller
Ural Championship 2005. Round 2
540
956
1365
Testing Calculator
Ural Championship 2005. Round 2
102
4694
1366
Presents
Ural Championship 2005. Round 2
994
524
1367
Top Secret
Ural Championship 2005. Round 2
165
3004
1368
Goat in the Garden 3
Ural Championship 2005. Round 2
200
2503
1369
Cockroach Race
Ural Championship 2005. Round 2
33
12226
1370
Magician
Ural Championship 2005. Round 2
5938
88
1371
Cargo Agency
Ural Championship 2005. Round 1
1005
519
1372
Death Star
Ural Championship 2005. Round 1
81
5791
1373
Pictura ex Machina
Ural Championship 2005. Round 1
618
839
1374
Misere
Ural Championship 2005. Round 1
42
10135
1375
Bill Clevers
Ural Championship 2005. Round 1
965
541
1376
Dean's Pyramid 2
Ural Championship 2005. Round 1
29
13513
1377
Lara Croft
Ural Championship 2005. Round 1
1770
296
1378
Artificial Intelligence
Ural Championship 2005. Round 1
343
1493
1379
Cups Transportation
Ural Championship 2005. Round 1
858
607
1380
Ostap's Chess
Petrozavodsk Summer 2005. Moscow+Ural Contest
117
4150
1381
Cockroaches in the Building
Petrozavodsk Summer 2005. Moscow+Ural Contest
140
3514
1382
Game with Cards
Petrozavodsk Summer 2005. Moscow+Ural Contest
295
1728
1383
Flower-garden Designs
Petrozavodsk Summer 2005. Moscow+Ural Contest
46
9412
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. Moscow+Ural Contest
99
4836
1385
Interesting Number
Petrozavodsk Summer 2005. Moscow+Ural Contest
2131
246
1386
Maze
Petrozavodsk Summer 2005. Moscow+Ural Contest
444
1161
1387
Vasya's Dad
Petrozavodsk Summer 2005. Moscow+Ural Contest
376
1365
1388
Photo
Petrozavodsk Summer 2005. Moscow+Ural Contest
26
14641
1389
Roadworks
Petrozavodsk Summer 2005. Moscow+Ural Contest
938
556
1390
Shots at Walls
Petrozavodsk Summer 2005. Moscow+Ural Contest
47
9247
1391
Snake
Petrozavodsk Summer 2005. Moscow+Ural Contest
86
5490
1392
Dreaming of Stars
675
769
1393
Average Common Prefix
441
1159
1394
Ships. Version 2
26
14642
1395
Pascal vs. C++. Version 2
211
2296
1396
Maximum. Version 2
245
1985
1397
Points Game
284
1677
1398
Bishop and Pawn
552
860
1399
Economical Director
39
9864
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