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Problem set. Volume 4
Solved problems:
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ID
Title
Source
Authors
Difficulty
1300
Taxes
Ural Championship 1998
168
2908
1301
Cube in Labyrinth
Ural Championship 1998
688
741
1302
Delta-wave
Ural Championship 1998
1470
350
1303
Minimal Coverage
Ural Championship 1998
2848
181
1304
Parallelepiped
Ural Championship 1998
263
1896
1305
Convex Hull
Ural Championship 1998
722
707
1306
Sequence Median
Ural Championship 1998
3537
146
1307
Archiver
Ural Championship 2004. Round 1
392
1288
1308
Dean's Pyramid
Ural Championship 2004. Round 1
171
2861
1309
Dispute
Ural Championship 2004. Round 1
844
606
1310
ACM Diagnostics
Ural Championship 2004. Round 1
469
1081
1311
Stable Construction
Ural Championship 2004. Round 1
344
1463
1312
Tray
Ural Championship 2004. Round 1
162
3011
1313
Some Words about Sport
Ural Championship 2004. Round 1
15193
34
1314
Chase in Subway
Ural Championship 2004. Round 1
869
589
1315
MDPAR and MIIAR
Ural Championship 2004. Round 1
270
1849
1316
Electronic Auction
Ural Championship 2004. Round 1
1178
436
1317
Hail
Ural Championship 2004. Round 2
472
1074
1318
Logarithm
Ural Championship 2004. Round 2
361
1396
1319
Hotel
Ural Championship 2004. Round 2
13291
39
1320
Graph Decomposition
Ural Championship 2004. Round 2
1792
287
1321
Floor Indicator
Ural Championship 2004. Round 2
372
1356
1322
Spy
Ural Championship 2004. Round 2
2815
183
1323
Classmates
Ural Championship 2004. Round 2
616
827
1324
Extra Spaces
Ural Championship 2004. Round 2
542
938
1325
Dirt
Ural Championship 2004. Round 2
952
538
1326
Bottle Taps
Ural Championship 2004. Round 2
1314
391
1327
Fuses
Autumn School Contest 2004
11105
47
1328
Fireball
Autumn School Contest 2004
358
1414
1329
Galactic History
Autumn School Contest 2004
1123
459
1330
Intervals
Autumn School Contest 2004
5426
96
1331
Vladislava
Autumn School Contest 2004
512
997
1332
Genie Bomber
Autumn School Contest 2004
828
621
1333
Genie Bomber 2
Autumn School Contest 2004
2384
217
1334
Checkers
Autumn School Contest 2004
954
540
1335
White Thesis
Autumn School Contest 2004
2851
182
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4246
122
1337
Bureaucracy
Autumn School Contest 2004
325
1554
1338
Automobiles
USU Championship 2004
281
1794
1339
Babies
USU Championship 2004
596
862
1340
Cucaracha
USU Championship 2004
94
5021
1341
Device
USU Championship 2004
446
1145
1342
Enterprise
USU Championship 2004
700
735
1343
Fairy Tale
USU Championship 2004
1247
415
1344
Gigantic Turnip
USU Championship 2004
107
4463
1345
HTML
USU Championship 2004
353
1438
1346
Intervals of Monotonicity
USU Championship 2004
1745
298
1347
Blog
Spring School Contest 2005
369
1379
1348
Goat in the Garden 2
Spring School Contest 2005
2920
178
1349
Farm
Spring School Contest 2005
10299
51
1350
Canteen
Spring School Contest 2005
1335
388
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
987
524
1352
Mersenne Primes
Spring School Contest 2005
3968
131
1353
Milliard Vasya's Function
Spring School Contest 2005
5048
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3764
138
1355
Bald Spot Revisited
Spring School Contest 2005
2463
211
1356
Something Easier
Spring School Contest 2005
1751
297
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
429
1190
1358
Cables
Spring School Contest 2005
952
543
1359
Construction
Spring School Contest 2005
441
1159
1360
Philosophical Dispute
Ural Championship 2005. Round 2
398
1282
1361
Spaceology vs. Chronistics
Ural Championship 2005. Round 2
257
1959
1362
Classmates 2
Ural Championship 2005. Round 2
1167
444
1363
Halftones
Ural Championship 2005. Round 2
93
5077
1364
LaraKiller
Ural Championship 2005. Round 2
537
956
1365
Testing Calculator
Ural Championship 2005. Round 2
102
4669
1366
Presents
Ural Championship 2005. Round 2
985
526
1367
Top Secret
Ural Championship 2005. Round 2
165
2988
1368
Goat in the Garden 3
Ural Championship 2005. Round 2
200
2490
1369
Cockroach Race
Ural Championship 2005. Round 2
33
12161
1370
Magician
Ural Championship 2005. Round 2
5833
89
1371
Cargo Agency
Ural Championship 2005. Round 1
993
523
1372
Death Star
Ural Championship 2005. Round 1
80
5825
1373
Pictura ex Machina
Ural Championship 2005. Round 1
610
846
1374
Misere
Ural Championship 2005. Round 1
42
10081
1375
Bill Clevers
Ural Championship 2005. Round 1
958
542
1376
Dean's Pyramid 2
Ural Championship 2005. Round 1
45
9532
1377
Lara Croft
Ural Championship 2005. Round 1
1756
297
1378
Artificial Intelligence
Ural Championship 2005. Round 1
342
1489
1379
Cups Transportation
Ural Championship 2005. Round 1
847
612
1380
Ostap's Chess
Petrozavodsk Summer 2005. Moscow+Ural Contest
115
4194
1381
Cockroaches in the Building
Petrozavodsk Summer 2005. Moscow+Ural Contest
137
3567
1382
Game with Cards
Petrozavodsk Summer 2005. Moscow+Ural Contest
291
1742
1383
Flower-garden Designs
Petrozavodsk Summer 2005. Moscow+Ural Contest
45
9533
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. Moscow+Ural Contest
96
4946
1385
Interesting Number
Petrozavodsk Summer 2005. Moscow+Ural Contest
2123
246
1386
Maze
Petrozavodsk Summer 2005. Moscow+Ural Contest
441
1163
1387
Vasya's Dad
Petrozavodsk Summer 2005. Moscow+Ural Contest
369
1383
1388
Photo
Petrozavodsk Summer 2005. Moscow+Ural Contest
24
15421
1389
Roadworks
Petrozavodsk Summer 2005. Moscow+Ural Contest
934
555
1390
Shots at Walls
Petrozavodsk Summer 2005. Moscow+Ural Contest
47
9198
1391
Snake
Petrozavodsk Summer 2005. Moscow+Ural Contest
85
5519
1392
Dreaming of Stars
673
768
1393
Average Common Prefix
440
1156
1394
Ships. Version 2
24
15421
1395
Pascal vs. C++. Version 2
208
2314
1396
Maximum. Version 2
244
1981
1397
Points Game
274
1725
1398
Bishop and Pawn
546
864
1399
Economical Director
37
10219
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