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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
2898
1301
Cube in Labyrinth
Ural Championship 1998
683
744
1302
Delta-wave
Ural Championship 1998
1465
350
1303
Minimal Coverage
Ural Championship 1998
2842
181
1304
Parallelepiped
Ural Championship 1998
263
1889
1305
Convex Hull
Ural Championship 1998
718
708
1306
Sequence Median
Ural Championship 1998
3532
146
1307
Archiver
Ural Championship 2004. Round 1
392
1284
1308
Dean's Pyramid
Ural Championship 2004. Round 1
170
2867
1309
Dispute
Ural Championship 2004. Round 1
843
605
1310
ACM Diagnostics
Ural Championship 2004. Round 1
465
1086
1311
Stable Construction
Ural Championship 2004. Round 1
343
1462
1312
Tray
Ural Championship 2004. Round 1
161
3018
1313
Some Words about Sport
Ural Championship 2004. Round 1
15163
34
1314
Chase in Subway
Ural Championship 2004. Round 1
867
588
1315
MDPAR and MIIAR
Ural Championship 2004. Round 1
268
1856
1316
Electronic Auction
Ural Championship 2004. Round 1
1172
437
1317
Hail
Ural Championship 2004. Round 2
471
1073
1318
Logarithm
Ural Championship 2004. Round 2
360
1395
1319
Hotel
Ural Championship 2004. Round 2
13267
39
1320
Graph Decomposition
Ural Championship 2004. Round 2
1789
287
1321
Floor Indicator
Ural Championship 2004. Round 2
371
1354
1322
Spy
Ural Championship 2004. Round 2
2802
184
1323
Classmates
Ural Championship 2004. Round 2
614
827
1324
Extra Spaces
Ural Championship 2004. Round 2
541
937
1325
Dirt
Ural Championship 2004. Round 2
951
537
1326
Bottle Taps
Ural Championship 2004. Round 2
1306
392
1327
Fuses
Autumn School Contest 2004
11073
47
1328
Fireball
Autumn School Contest 2004
358
1410
1329
Galactic History
Autumn School Contest 2004
1117
460
1330
Intervals
Autumn School Contest 2004
5395
96
1331
Vladislava
Autumn School Contest 2004
510
998
1332
Genie Bomber
Autumn School Contest 2004
827
620
1333
Genie Bomber 2
Autumn School Contest 2004
2380
217
1334
Checkers
Autumn School Contest 2004
951
540
1335
White Thesis
Autumn School Contest 2004
2845
182
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4240
122
1337
Bureaucracy
Autumn School Contest 2004
323
1558
1338
Automobiles
USU Championship 2004
280
1794
1339
Babies
USU Championship 2004
594
862
1340
Cucaracha
USU Championship 2004
94
5004
1341
Device
USU Championship 2004
445
1144
1342
Enterprise
USU Championship 2004
700
733
1343
Fairy Tale
USU Championship 2004
1239
417
1344
Gigantic Turnip
USU Championship 2004
106
4486
1345
HTML
USU Championship 2004
352
1438
1346
Intervals of Monotonicity
USU Championship 2004
1736
298
1347
Blog
Spring School Contest 2005
369
1374
1348
Goat in the Garden 2
Spring School Contest 2005
2904
179
1349
Farm
Spring School Contest 2005
10273
51
1350
Canteen
Spring School Contest 2005
1332
388
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
985
523
1352
Mersenne Primes
Spring School Contest 2005
3964
131
1353
Milliard Vasya's Function
Spring School Contest 2005
5038
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3759
138
1355
Bald Spot Revisited
Spring School Contest 2005
2456
211
1356
Something Easier
Spring School Contest 2005
1746
297
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
427
1192
1358
Cables
Spring School Contest 2005
951
542
1359
Construction
Spring School Contest 2005
439
1160
1360
Philosophical Dispute
Ural Championship 2005. Round 2
398
1277
1361
Spaceology vs. Chronistics
Ural Championship 2005. Round 2
256
1959
1362
Classmates 2
Ural Championship 2005. Round 2
1161
445
1363
Halftones
Ural Championship 2005. Round 2
92
5109
1364
LaraKiller
Ural Championship 2005. Round 2
535
956
1365
Testing Calculator
Ural Championship 2005. Round 2
100
4738
1366
Presents
Ural Championship 2005. Round 2
983
525
1367
Top Secret
Ural Championship 2005. Round 2
164
2995
1368
Goat in the Garden 3
Ural Championship 2005. Round 2
199
2494
1369
Cockroach Race
Ural Championship 2005. Round 2
32
12409
1370
Magician
Ural Championship 2005. Round 2
5828
89
1371
Cargo Agency
Ural Championship 2005. Round 1
987
524
1372
Death Star
Ural Championship 2005. Round 1
78
5937
1373
Pictura ex Machina
Ural Championship 2005. Round 1
608
845
1374
Misere
Ural Championship 2005. Round 1
39
10663
1375
Bill Clevers
Ural Championship 2005. Round 1
954
542
1376
Dean's Pyramid 2
Ural Championship 2005. Round 1
44
9675
1377
Lara Croft
Ural Championship 2005. Round 1
1750
297
1378
Artificial Intelligence
Ural Championship 2005. Round 1
342
1484
1379
Cups Transportation
Ural Championship 2005. Round 1
847
610
1380
Ostap's Chess
Petrozavodsk Summer 2005. Moscow+Ural Contest
114
4214
1381
Cockroaches in the Building
Petrozavodsk Summer 2005. Moscow+Ural Contest
137
3555
1382
Game with Cards
Petrozavodsk Summer 2005. Moscow+Ural Contest
289
1748
1383
Flower-garden Designs
Petrozavodsk Summer 2005. Moscow+Ural Contest
43
9859
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. Moscow+Ural Contest
94
5024
1385
Interesting Number
Petrozavodsk Summer 2005. Moscow+Ural Contest
2119
245
1386
Maze
Petrozavodsk Summer 2005. Moscow+Ural Contest
440
1161
1387
Vasya's Dad
Petrozavodsk Summer 2005. Moscow+Ural Contest
368
1382
1388
Photo
Petrozavodsk Summer 2005. Moscow+Ural Contest
22
16330
1389
Roadworks
Petrozavodsk Summer 2005. Moscow+Ural Contest
929
556
1390
Shots at Walls
Petrozavodsk Summer 2005. Moscow+Ural Contest
45
9501
1391
Snake
Petrozavodsk Summer 2005. Moscow+Ural Contest
85
5500
1392
Dreaming of Stars
673
765
1393
Average Common Prefix
439
1154
1394
Ships. Version 2
23
15835
1395
Pascal vs. C++. Version 2
207
2316
1396
Maximum. Version 2
244
1974
1397
Points Game
272
1731
1398
Bishop and Pawn
542
867
1399
Economical Director
36
10399
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