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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
2920
1301
Cube in Labyrinth
Ural Championship 1998
688
745
1302
Delta-wave
Ural Championship 1998
1470
351
1303
Minimal Coverage
Ural Championship 1998
2857
181
1304
Parallelepiped
Ural Championship 1998
263
1904
1305
Convex Hull
Ural Championship 1998
724
708
1306
Sequence Median
Ural Championship 1998
3565
145
1307
Archiver
Ural Championship 2004. Round 1
392
1294
1308
Dean's Pyramid
Ural Championship 2004. Round 1
171
2873
1309
Dispute
Ural Championship 2004. Round 1
847
607
1310
ACM Diagnostics
Ural Championship 2004. Round 1
470
1084
1311
Stable Construction
Ural Championship 2004. Round 1
347
1457
1312
Tray
Ural Championship 2004. Round 1
162
3024
1313
Some Words about Sport
Ural Championship 2004. Round 1
15327
34
1314
Chase in Subway
Ural Championship 2004. Round 1
871
590
1315
MDPAR and MIIAR
Ural Championship 2004. Round 1
271
1851
1316
Electronic Auction
Ural Championship 2004. Round 1
1180
437
1317
Hail
Ural Championship 2004. Round 2
475
1072
1318
Logarithm
Ural Championship 2004. Round 2
363
1394
1319
Hotel
Ural Championship 2004. Round 2
13447
39
1320
Graph Decomposition
Ural Championship 2004. Round 2
1795
288
1321
Floor Indicator
Ural Championship 2004. Round 2
372
1362
1322
Spy
Ural Championship 2004. Round 2
2817
184
1323
Classmates
Ural Championship 2004. Round 2
617
830
1324
Extra Spaces
Ural Championship 2004. Round 2
545
937
1325
Dirt
Ural Championship 2004. Round 2
954
540
1326
Bottle Taps
Ural Championship 2004. Round 2
1318
392
1327
Fuses
Autumn School Contest 2004
11129
47
1328
Fireball
Autumn School Contest 2004
360
1413
1329
Galactic History
Autumn School Contest 2004
1126
460
1330
Intervals
Autumn School Contest 2004
5454
96
1331
Vladislava
Autumn School Contest 2004
515
996
1332
Genie Bomber
Autumn School Contest 2004
832
621
1333
Genie Bomber 2
Autumn School Contest 2004
2389
218
1334
Checkers
Autumn School Contest 2004
958
540
1335
White Thesis
Autumn School Contest 2004
2854
183
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4250
123
1337
Bureaucracy
Autumn School Contest 2004
328
1547
1338
Automobiles
USU Championship 2004
288
1760
1339
Babies
USU Championship 2004
600
860
1340
Cucaracha
USU Championship 2004
94
5043
1341
Device
USU Championship 2004
449
1143
1342
Enterprise
USU Championship 2004
703
736
1343
Fairy Tale
USU Championship 2004
1248
417
1344
Gigantic Turnip
USU Championship 2004
107
4482
1345
HTML
USU Championship 2004
354
1441
1346
Intervals of Monotonicity
USU Championship 2004
1752
298
1347
Blog
Spring School Contest 2005
370
1381
1348
Goat in the Garden 2
Spring School Contest 2005
2926
179
1349
Farm
Spring School Contest 2005
10325
51
1350
Canteen
Spring School Contest 2005
1336
390
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
989
525
1352
Mersenne Primes
Spring School Contest 2005
3971
132
1353
Milliard Vasya's Function
Spring School Contest 2005
5075
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3773
139
1355
Bald Spot Revisited
Spring School Contest 2005
2468
212
1356
Something Easier
Spring School Contest 2005
1752
298
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
430
1193
1358
Cables
Spring School Contest 2005
957
543
1359
Construction
Spring School Contest 2005
441
1164
1360
Philosophical Dispute
Ural Championship 2005. Round 2
400
1281
1361
Spaceology vs. Chronistics
Ural Championship 2005. Round 2
257
1967
1362
Classmates 2
Ural Championship 2005. Round 2
1171
445
1363
Halftones
Ural Championship 2005. Round 2
93
5099
1364
LaraKiller
Ural Championship 2005. Round 2
540
955
1365
Testing Calculator
Ural Championship 2005. Round 2
102
4689
1366
Presents
Ural Championship 2005. Round 2
987
527
1367
Top Secret
Ural Championship 2005. Round 2
165
3001
1368
Goat in the Garden 3
Ural Championship 2005. Round 2
200
2501
1369
Cockroach Race
Ural Championship 2005. Round 2
33
12213
1370
Magician
Ural Championship 2005. Round 2
5928
88
1371
Cargo Agency
Ural Championship 2005. Round 1
999
522
1372
Death Star
Ural Championship 2005. Round 1
81
5785
1373
Pictura ex Machina
Ural Championship 2005. Round 1
611
848
1374
Misere
Ural Championship 2005. Round 1
42
10125
1375
Bill Clevers
Ural Championship 2005. Round 1
960
543
1376
Dean's Pyramid 2
Ural Championship 2005. Round 1
29
13499
1377
Lara Croft
Ural Championship 2005. Round 1
1760
297
1378
Artificial Intelligence
Ural Championship 2005. Round 1
342
1496
1379
Cups Transportation
Ural Championship 2005. Round 1
853
610
1380
Ostap's Chess
Petrozavodsk Summer 2005. Moscow+Ural Contest
116
4179
1381
Cockroaches in the Building
Petrozavodsk Summer 2005. Moscow+Ural Contest
138
3558
1382
Game with Cards
Petrozavodsk Summer 2005. Moscow+Ural Contest
293
1738
1383
Flower-garden Designs
Petrozavodsk Summer 2005. Moscow+Ural Contest
45
9574
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. Moscow+Ural Contest
97
4921
1385
Interesting Number
Petrozavodsk Summer 2005. Moscow+Ural Contest
2126
247
1386
Maze
Petrozavodsk Summer 2005. Moscow+Ural Contest
441
1168
1387
Vasya's Dad
Petrozavodsk Summer 2005. Moscow+Ural Contest
370
1386
1388
Photo
Petrozavodsk Summer 2005. Moscow+Ural Contest
26
14626
1389
Roadworks
Petrozavodsk Summer 2005. Moscow+Ural Contest
936
557
1390
Shots at Walls
Petrozavodsk Summer 2005. Moscow+Ural Contest
47
9238
1391
Snake
Petrozavodsk Summer 2005. Moscow+Ural Contest
86
5485
1392
Dreaming of Stars
674
770
1393
Average Common Prefix
441
1158
1394
Ships. Version 2
26
14627
1395
Pascal vs. C++. Version 2
210
2304
1396
Maximum. Version 2
244
1991
1397
Points Game
277
1716
1398
Bishop and Pawn
549
864
1399
Economical Director
38
10057
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