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Problem set. Volume 4
Solved problems:
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ID
Title
Source
Authors
Difficulty
1300
Taxes
Ural Championship 1998
161
2750
1301
Cube in Labyrinth
Ural Championship 1998
630
735
1302
Delta-wave
Ural Championship 1998
1390
336
1303
Minimal Coverage
Ural Championship 1998
2246
208
1304
Parallelepiped
Ural Championship 1998
234
1927
1305
Convex Hull
Ural Championship 1998
658
704
1306
Sequence Median
Ural Championship 1998
3265
144
1307
Archiver
Ural Championship 2004. Round 1
357
1282
1308
Dean's Pyramid
Ural Championship 2004. Round 1
159
2784
1309
Dispute
Ural Championship 2004. Round 1
749
620
1310
ACM Diagnostics
Ural Championship 2004. Round 1
400
1148
1311
Stable Construction
Ural Championship 2004. Round 1
317
1439
1312
Tray
Ural Championship 2004. Round 1
153
2887
1313
Some Words about Sport
Ural Championship 2004. Round 1
13054
36
1314
Chase in Subway
Ural Championship 2004. Round 1
743
625
1315
MDPAR and MIIAR
Ural Championship 2004. Round 1
231
1952
1316
Electronic Auction
Ural Championship 2004. Round 1
1065
438
1317
Hail
Ural Championship 2004. Round 2
425
1082
1318
Logarithm
Ural Championship 2004. Round 2
325
1405
1319
Hotel
Ural Championship 2004. Round 2
11847
40
1320
Graph Decomposition
Ural Championship 2004. Round 2
1564
299
1321
Floor Indicator
Ural Championship 2004. Round 2
343
1333
1322
Spy
Ural Championship 2004. Round 2
1081
431
1323
Classmates
Ural Championship 2004. Round 2
566
817
1324
Extra Spaces
Ural Championship 2004. Round 2
482
956
1325
Dirt
Ural Championship 2004. Round 2
840
554
1326
Bottle Taps
Ural Championship 2004. Round 2
1094
426
1327
Fuses
Autumn School Contest 2004
10018
47
1328
Fireball
Autumn School Contest 2004
336
1369
1329
Galactic History
Autumn School Contest 2004
1010
464
1330
Intervals
Autumn School Contest 2004
4794
99
1331
Vladislava
Autumn School Contest 2004
465
997
1332
Genie Bomber
Autumn School Contest 2004
754
620
1333
Genie Bomber 2
Autumn School Contest 2004
2182
216
1334
Checkers
Autumn School Contest 2004
889
527
1335
White Thesis
Autumn School Contest 2004
2675
176
1336
Problem of Ben Betsalel
Autumn School Contest 2004
3915
121
1337
Bureaucracy
Autumn School Contest 2004
292
1568
1338
Automobiles
USU Championship 2004
260
1760
1339
Babies
USU Championship 2004
517
902
1340
Cucaracha
USU Championship 2004
88
4850
1341
Device
USU Championship 2004
411
1129
1342
Enterprise
USU Championship 2004
609
768
1343
Fairy Tale
USU Championship 2004
1089
433
1344
Gigantic Turnip
USU Championship 2004
97
4442
1345
HTML
USU Championship 2004
329
1402
1346
Intervals of Monotonicity
USU Championship 2004
1591
297
1347
Blog
Spring School Contest 2005
332
1391
1348
Goat in the Garden 2
Spring School Contest 2005
2480
191
1349
Farm
Spring School Contest 2005
9172
52
1350
Canteen
Spring School Contest 2005
1213
389
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
891
528
1352
Mersenne Primes
Spring School Contest 2005
3684
129
1353
Milliard Vasya's Function
Spring School Contest 2005
4531
105
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3256
146
1355
Bald Spot Revisited
Spring School Contest 2005
2200
215
1356
Something Easier
Spring School Contest 2005
1361
347
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
389
1192
1358
Cables
Spring School Contest 2005
856
549
1359
Construction
Spring School Contest 2005
378
1226
1360
Philosophical Dispute
Ural Championship 2005. Round 2
345
1341
1361
Spaceology vs. Chronistics
Ural Championship 2005. Round 2
202
2246
1362
Classmates 2
Ural Championship 2005. Round 2
1007
468
1363
Halftones
Ural Championship 2005. Round 2
73
5737
1364
LaraKiller
Ural Championship 2005. Round 2
483
966
1365
Testing Calculator
Ural Championship 2005. Round 2
88
4859
1366
Presents
Ural Championship 2005. Round 2
900
523
1367
Top Secret
Ural Championship 2005. Round 2
144
3092
1368
Goat in the Garden 3
Ural Championship 2005. Round 2
183
2467
1369
Cockroach Race
Ural Championship 2005. Round 2
25
13604
1370
Magician
Ural Championship 2005. Round 2
5173
92
1371
Cargo Agency
Ural Championship 2005. Round 1
878
538
1372
Death Star
Ural Championship 2005. Round 1
73
5754
1373
Pictura ex Machina
Ural Championship 2005. Round 1
547
857
1374
Misere
Ural Championship 2005. Round 1
31
11649
1375
Bill Clevers
Ural Championship 2005. Round 1
859
550
1376
Dean's Pyramid 2
Ural Championship 2005. Round 1
39
9747
1377
Lara Croft
Ural Championship 2005. Round 1
1634
291
1378
Artificial Intelligence
Ural Championship 2005. Round 1
311
1488
1379
Cups Transportation
Ural Championship 2005. Round 1
680
692
1380
Ostap's Chess
Petrozavodsk Summer 2005. Moscow+Ural Contest
109
4014
1381
Cockroaches in the Building
Petrozavodsk Summer 2005. Moscow+Ural Contest
125
3538
1382
Game with Cards
Petrozavodsk Summer 2005. Moscow+Ural Contest
256
1796
1383
Flower-garden Designs
Petrozavodsk Summer 2005. Moscow+Ural Contest
24
14049
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. Moscow+Ural Contest
83
5136
1385
Interesting Number
Petrozavodsk Summer 2005. Moscow+Ural Contest
1973
241
1386
Maze
Petrozavodsk Summer 2005. Moscow+Ural Contest
402
1159
1387
Vasya's Dad
Petrozavodsk Summer 2005. Moscow+Ural Contest
298
1551
1388
Photo
Petrozavodsk Summer 2005. Moscow+Ural Contest
19
16471
1389
Roadworks
Petrozavodsk Summer 2005. Moscow+Ural Contest
807
585
1390
Shots at Walls
Petrozavodsk Summer 2005. Moscow+Ural Contest
39
9748
1391
Snake
Petrozavodsk Summer 2005. Moscow+Ural Contest
80
5307
1392
Dreaming of Stars
623
755
1393
Average Common Prefix
396
1165
1394
Ships. Version 2
12
21713
1395
Pascal vs. C++. Version 2
164
2620
1396
Maximum. Version 2
216
2011
1397
Points Game
239
1767
1398
Bishop and Pawn
478
880
1399
Economical Director
30
10734
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