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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
2910
1301
Cube in Labyrinth
Ural Championship 1998
688
742
1302
Delta-wave
Ural Championship 1998
1470
350
1303
Minimal Coverage
Ural Championship 1998
2851
181
1304
Parallelepiped
Ural Championship 1998
263
1898
1305
Convex Hull
Ural Championship 1998
724
706
1306
Sequence Median
Ural Championship 1998
3538
146
1307
Archiver
Ural Championship 2004. Round 1
392
1289
1308
Dean's Pyramid
Ural Championship 2004. Round 1
171
2864
1309
Dispute
Ural Championship 2004. Round 1
845
606
1310
ACM Diagnostics
Ural Championship 2004. Round 1
469
1082
1311
Stable Construction
Ural Championship 2004. Round 1
345
1460
1312
Tray
Ural Championship 2004. Round 1
162
3013
1313
Some Words about Sport
Ural Championship 2004. Round 1
15263
34
1314
Chase in Subway
Ural Championship 2004. Round 1
870
589
1315
MDPAR and MIIAR
Ural Championship 2004. Round 1
271
1845
1316
Electronic Auction
Ural Championship 2004. Round 1
1179
436
1317
Hail
Ural Championship 2004. Round 2
475
1069
1318
Logarithm
Ural Championship 2004. Round 2
361
1397
1319
Hotel
Ural Championship 2004. Round 2
13330
39
1320
Graph Decomposition
Ural Championship 2004. Round 2
1793
287
1321
Floor Indicator
Ural Championship 2004. Round 2
372
1357
1322
Spy
Ural Championship 2004. Round 2
2816
183
1323
Classmates
Ural Championship 2004. Round 2
616
828
1324
Extra Spaces
Ural Championship 2004. Round 2
544
936
1325
Dirt
Ural Championship 2004. Round 2
953
538
1326
Bottle Taps
Ural Championship 2004. Round 2
1314
391
1327
Fuses
Autumn School Contest 2004
11109
47
1328
Fireball
Autumn School Contest 2004
358
1416
1329
Galactic History
Autumn School Contest 2004
1125
459
1330
Intervals
Autumn School Contest 2004
5445
96
1331
Vladislava
Autumn School Contest 2004
514
994
1332
Genie Bomber
Autumn School Contest 2004
829
621
1333
Genie Bomber 2
Autumn School Contest 2004
2386
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
4248
122
1337
Bureaucracy
Autumn School Contest 2004
325
1555
1338
Automobiles
USU Championship 2004
282
1790
1339
Babies
USU Championship 2004
599
858
1340
Cucaracha
USU Championship 2004
94
5026
1341
Device
USU Championship 2004
448
1141
1342
Enterprise
USU Championship 2004
700
736
1343
Fairy Tale
USU Championship 2004
1248
415
1344
Gigantic Turnip
USU Championship 2004
107
4467
1345
HTML
USU Championship 2004
353
1440
1346
Intervals of Monotonicity
USU Championship 2004
1746
298
1347
Blog
Spring School Contest 2005
369
1380
1348
Goat in the Garden 2
Spring School Contest 2005
2921
178
1349
Farm
Spring School Contest 2005
10304
51
1350
Canteen
Spring School Contest 2005
1335
389
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
988
524
1352
Mersenne Primes
Spring School Contest 2005
3969
131
1353
Milliard Vasya's Function
Spring School Contest 2005
5053
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3765
139
1355
Bald Spot Revisited
Spring School Contest 2005
2463
211
1356
Something Easier
Spring School Contest 2005
1752
297
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
430
1189
1358
Cables
Spring School Contest 2005
952
544
1359
Construction
Spring School Contest 2005
441
1160
1360
Philosophical Dispute
Ural Championship 2005. Round 2
400
1277
1361
Spaceology vs. Chronistics
Ural Championship 2005. Round 2
257
1960
1362
Classmates 2
Ural Championship 2005. Round 2
1168
444
1363
Halftones
Ural Championship 2005. Round 2
93
5082
1364
LaraKiller
Ural Championship 2005. Round 2
537
957
1365
Testing Calculator
Ural Championship 2005. Round 2
102
4673
1366
Presents
Ural Championship 2005. Round 2
985
526
1367
Top Secret
Ural Championship 2005. Round 2
165
2991
1368
Goat in the Garden 3
Ural Championship 2005. Round 2
200
2492
1369
Cockroach Race
Ural Championship 2005. Round 2
33
12173
1370
Magician
Ural Championship 2005. Round 2
5837
90
1371
Cargo Agency
Ural Championship 2005. Round 1
995
522
1372
Death Star
Ural Championship 2005. Round 1
80
5830
1373
Pictura ex Machina
Ural Championship 2005. Round 1
611
845
1374
Misere
Ural Championship 2005. Round 1
42
10091
1375
Bill Clevers
Ural Championship 2005. Round 1
958
542
1376
Dean's Pyramid 2
Ural Championship 2005. Round 1
26
14576
1377
Lara Croft
Ural Championship 2005. Round 1
1757
297
1378
Artificial Intelligence
Ural Championship 2005. Round 1
342
1491
1379
Cups Transportation
Ural Championship 2005. Round 1
847
612
1380
Ostap's Chess
Petrozavodsk Summer 2005. Moscow+Ural Contest
115
4198
1381
Cockroaches in the Building
Petrozavodsk Summer 2005. Moscow+Ural Contest
137
3570
1382
Game with Cards
Petrozavodsk Summer 2005. Moscow+Ural Contest
291
1744
1383
Flower-garden Designs
Petrozavodsk Summer 2005. Moscow+Ural Contest
45
9542
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. Moscow+Ural Contest
96
4951
1385
Interesting Number
Petrozavodsk Summer 2005. Moscow+Ural Contest
2123
246
1386
Maze
Petrozavodsk Summer 2005. Moscow+Ural Contest
441
1164
1387
Vasya's Dad
Petrozavodsk Summer 2005. Moscow+Ural Contest
370
1381
1388
Photo
Petrozavodsk Summer 2005. Moscow+Ural Contest
24
15435
1389
Roadworks
Petrozavodsk Summer 2005. Moscow+Ural Contest
935
555
1390
Shots at Walls
Petrozavodsk Summer 2005. Moscow+Ural Contest
47
9207
1391
Snake
Petrozavodsk Summer 2005. Moscow+Ural Contest
85
5524
1392
Dreaming of Stars
673
768
1393
Average Common Prefix
441
1154
1394
Ships. Version 2
25
14995
1395
Pascal vs. C++. Version 2
209
2306
1396
Maximum. Version 2
244
1983
1397
Points Game
274
1727
1398
Bishop and Pawn
548
862
1399
Economical Director
37
10231
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