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Problem set. Volume 4
Solved problems:
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Volume 3
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ID
Title
Source
Authors
Difficulty
1300
Taxes
Ural Championship 1998
176
2831
1301
Cube in Labyrinth
Ural Championship 1998
721
720
1302
Delta-wave
Ural Championship 1998
1509
347
1303
Minimal Coverage
Ural Championship 1998
3008
174
1304
Parallelepiped
Ural Championship 1998
271
1874
1305
Convex Hull
Ural Championship 1998
737
705
1306
Sequence Median
Ural Championship 1998
3632
145
1307
Archiver
Ural Championship 2004. Round 1
403
1276
1308
Dean's Pyramid
Ural Championship 2004. Round 1
180
2773
1309
Dispute
Ural Championship 2004. Round 1
864
603
1310
ACM Diagnostics
Ural Championship 2004. Round 1
499
1035
1311
Stable Construction
Ural Championship 2004. Round 1
362
1416
1312
Tray
Ural Championship 2004. Round 1
171
2911
1313
Some Words about Sport
Ural Championship 2004. Round 1
15605
34
1314
Chase in Subway
Ural Championship 2004. Round 1
928
562
1315
MDPAR and MIIAR
Ural Championship 2004. Round 1
289
1762
1316
Electronic Auction
Ural Championship 2004. Round 1
1222
428
1317
Hail
Ural Championship 2004. Round 2
489
1056
1318
Logarithm
Ural Championship 2004. Round 2
368
1394
1319
Hotel
Ural Championship 2004. Round 2
13648
39
1320
Graph Decomposition
Ural Championship 2004. Round 2
1855
283
1321
Floor Indicator
Ural Championship 2004. Round 2
379
1355
1322
Spy
Ural Championship 2004. Round 2
2939
179
1323
Classmates
Ural Championship 2004. Round 2
626
828
1324
Extra Spaces
Ural Championship 2004. Round 2
559
926
1325
Dirt
Ural Championship 2004. Round 2
978
533
1326
Bottle Taps
Ural Championship 2004. Round 2
1338
391
1327
Fuses
Autumn School Contest 2004
11276
47
1328
Fireball
Autumn School Contest 2004
368
1401
1329
Galactic History
Autumn School Contest 2004
1159
453
1330
Intervals
Autumn School Contest 2004
5534
96
1331
Vladislava
Autumn School Contest 2004
530
981
1332
Genie Bomber
Autumn School Contest 2004
855
612
1333
Genie Bomber 2
Autumn School Contest 2004
2410
219
1334
Checkers
Autumn School Contest 2004
968
541
1335
White Thesis
Autumn School Contest 2004
2892
182
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4308
123
1337
Bureaucracy
Autumn School Contest 2004
337
1526
1338
Automobiles
USU Championship 2004
299
1719
1339
Babies
USU Championship 2004
613
853
1340
Cucaracha
USU Championship 2004
105
4619
1341
Device
USU Championship 2004
468
1111
1342
Enterprise
USU Championship 2004
718
730
1343
Fairy Tale
USU Championship 2004
1266
416
1344
Gigantic Turnip
USU Championship 2004
118
4150
1345
HTML
USU Championship 2004
372
1391
1346
Intervals of Monotonicity
USU Championship 2004
1781
297
1347
Blog
Spring School Contest 2005
380
1363
1348
Goat in the Garden 2
Spring School Contest 2005
2995
177
1349
Farm
Spring School Contest 2005
10455
51
1350
Canteen
Spring School Contest 2005
1377
383
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
1015
519
1352
Mersenne Primes
Spring School Contest 2005
4015
132
1353
Milliard Vasya's Function
Spring School Contest 2005
5141
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3840
138
1355
Bald Spot Revisited
Spring School Contest 2005
2494
212
1356
Something Easier
Spring School Contest 2005
1776
298
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
440
1181
1358
Cables
Spring School Contest 2005
974
540
1359
Construction
Spring School Contest 2005
447
1163
1360
Philosophical Dispute
Ural Championship 2005. Round 2
408
1273
1361
Spaceology vs. Chronistics
Ural Championship 2005. Round 2
276
1860
1362
Classmates 2
Ural Championship 2005. Round 2
1194
442
1363
Halftones
Ural Championship 2005. Round 2
104
4666
1364
LaraKiller
Ural Championship 2005. Round 2
550
950
1365
Testing Calculator
Ural Championship 2005. Round 2
112
4360
1366
Presents
Ural Championship 2005. Round 2
1010
521
1367
Top Secret
Ural Championship 2005. Round 2
182
2770
1368
Goat in the Garden 3
Ural Championship 2005. Round 2
207
2451
1369
Cockroach Race
Ural Championship 2005. Round 2
45
9671
1370
Magician
Ural Championship 2005. Round 2
5989
89
1371
Cargo Agency
Ural Championship 2005. Round 1
1022
517
1372
Death Star
Ural Championship 2005. Round 1
89
5386
1373
Pictura ex Machina
Ural Championship 2005. Round 1
632
831
1374
Misere
Ural Championship 2005. Round 1
52
8600
1375
Bill Clevers
Ural Championship 2005. Round 1
978
540
1376
Dean's Pyramid 2
Ural Championship 2005. Round 1
38
11108
1377
Lara Croft
Ural Championship 2005. Round 1
1797
295
1378
Artificial Intelligence
Ural Championship 2005. Round 1
358
1449
1379
Cups Transportation
Ural Championship 2005. Round 1
908
581
1380
Ostap's Chess
Petrozavodsk Summer 2005. MSU+USU Contest
124
3980
1381
Cockroaches in the Building
Petrozavodsk Summer 2005. MSU+USU Contest
152
3292
1382
Game with Cards
Petrozavodsk Summer 2005. MSU+USU Contest
304
1698
1383
Flower-garden Designs
Petrozavodsk Summer 2005. MSU+USU Contest
56
8080
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. MSU+USU Contest
113
4336
1385
Interesting Number
Petrozavodsk Summer 2005. MSU+USU Contest
2151
247
1386
Maze
Petrozavodsk Summer 2005. MSU+USU Contest
456
1144
1387
Vasya's Dad
Petrozavodsk Summer 2005. MSU+USU Contest
384
1353
1388
Photo
Petrozavodsk Summer 2005. MSU+USU Contest
40
10665
1389
Roadworks
Petrozavodsk Summer 2005. MSU+USU Contest
958
551
1390
Shots at Walls
Petrozavodsk Summer 2005. MSU+USU Contest
55
8204
1391
Snake
Petrozavodsk Summer 2005. MSU+USU Contest
93
5177
1392
Dreaming of Stars
689
763
1393
Average Common Prefix
451
1148
1394
Ships. Version 2
28
14034
1395
Pascal vs. C++. Version 2
223
2205
1396
Maximum. Version 2
252
1957
1397
Points Game
294
1643
1398
Bishop and Pawn
563
856
1399
Economical Director
50
8168
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