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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
2918
1301
Cube in Labyrinth
Ural Championship 1998
688
744
1302
Delta-wave
Ural Championship 1998
1470
351
1303
Minimal Coverage
Ural Championship 1998
2856
181
1304
Parallelepiped
Ural Championship 1998
263
1903
1305
Convex Hull
Ural Championship 1998
724
708
1306
Sequence Median
Ural Championship 1998
3565
145
1307
Archiver
Ural Championship 2004. Round 1
392
1293
1308
Dean's Pyramid
Ural Championship 2004. Round 1
171
2871
1309
Dispute
Ural Championship 2004. Round 1
846
607
1310
ACM Diagnostics
Ural Championship 2004. Round 1
469
1085
1311
Stable Construction
Ural Championship 2004. Round 1
346
1460
1312
Tray
Ural Championship 2004. Round 1
162
3021
1313
Some Words about Sport
Ural Championship 2004. Round 1
15316
34
1314
Chase in Subway
Ural Championship 2004. Round 1
870
590
1315
MDPAR and MIIAR
Ural Championship 2004. Round 1
271
1849
1316
Electronic Auction
Ural Championship 2004. Round 1
1180
437
1317
Hail
Ural Championship 2004. Round 2
475
1071
1318
Logarithm
Ural Championship 2004. Round 2
363
1393
1319
Hotel
Ural Championship 2004. Round 2
13439
39
1320
Graph Decomposition
Ural Championship 2004. Round 2
1795
288
1321
Floor Indicator
Ural Championship 2004. Round 2
372
1360
1322
Spy
Ural Championship 2004. Round 2
2817
184
1323
Classmates
Ural Championship 2004. Round 2
616
830
1324
Extra Spaces
Ural Championship 2004. Round 2
545
936
1325
Dirt
Ural Championship 2004. Round 2
954
539
1326
Bottle Taps
Ural Championship 2004. Round 2
1317
392
1327
Fuses
Autumn School Contest 2004
11121
47
1328
Fireball
Autumn School Contest 2004
360
1412
1329
Galactic History
Autumn School Contest 2004
1126
460
1330
Intervals
Autumn School Contest 2004
5451
96
1331
Vladislava
Autumn School Contest 2004
515
995
1332
Genie Bomber
Autumn School Contest 2004
831
621
1333
Genie Bomber 2
Autumn School Contest 2004
2388
218
1334
Checkers
Autumn School Contest 2004
958
540
1335
White Thesis
Autumn School Contest 2004
2854
182
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4248
123
1337
Bureaucracy
Autumn School Contest 2004
326
1555
1338
Automobiles
USU Championship 2004
287
1764
1339
Babies
USU Championship 2004
600
859
1340
Cucaracha
USU Championship 2004
94
5038
1341
Device
USU Championship 2004
449
1142
1342
Enterprise
USU Championship 2004
702
736
1343
Fairy Tale
USU Championship 2004
1248
417
1344
Gigantic Turnip
USU Championship 2004
107
4479
1345
HTML
USU Championship 2004
354
1440
1346
Intervals of Monotonicity
USU Championship 2004
1750
298
1347
Blog
Spring School Contest 2005
370
1380
1348
Goat in the Garden 2
Spring School Contest 2005
2926
179
1349
Farm
Spring School Contest 2005
10319
51
1350
Canteen
Spring School Contest 2005
1336
390
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
988
525
1352
Mersenne Primes
Spring School Contest 2005
3971
132
1353
Milliard Vasya's Function
Spring School Contest 2005
5064
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
1192
1358
Cables
Spring School Contest 2005
957
542
1359
Construction
Spring School Contest 2005
441
1163
1360
Philosophical Dispute
Ural Championship 2005. Round 2
400
1280
1361
Spaceology vs. Chronistics
Ural Championship 2005. Round 2
257
1965
1362
Classmates 2
Ural Championship 2005. Round 2
1170
445
1363
Halftones
Ural Championship 2005. Round 2
93
5095
1364
LaraKiller
Ural Championship 2005. Round 2
540
954
1365
Testing Calculator
Ural Championship 2005. Round 2
102
4685
1366
Presents
Ural Championship 2005. Round 2
986
527
1367
Top Secret
Ural Championship 2005. Round 2
165
2999
1368
Goat in the Garden 3
Ural Championship 2005. Round 2
200
2499
1369
Cockroach Race
Ural Championship 2005. Round 2
33
12203
1370
Magician
Ural Championship 2005. Round 2
5927
88
1371
Cargo Agency
Ural Championship 2005. Round 1
998
522
1372
Death Star
Ural Championship 2005. Round 1
81
5781
1373
Pictura ex Machina
Ural Championship 2005. Round 1
611
847
1374
Misere
Ural Championship 2005. Round 1
42
10116
1375
Bill Clevers
Ural Championship 2005. Round 1
959
543
1376
Dean's Pyramid 2
Ural Championship 2005. Round 1
28
13843
1377
Lara Croft
Ural Championship 2005. Round 1
1760
297
1378
Artificial Intelligence
Ural Championship 2005. Round 1
342
1494
1379
Cups Transportation
Ural Championship 2005. Round 1
851
611
1380
Ostap's Chess
Petrozavodsk Summer 2005. Moscow+Ural Contest
116
4175
1381
Cockroaches in the Building
Petrozavodsk Summer 2005. Moscow+Ural Contest
138
3555
1382
Game with Cards
Petrozavodsk Summer 2005. Moscow+Ural Contest
291
1748
1383
Flower-garden Designs
Petrozavodsk Summer 2005. Moscow+Ural Contest
45
9566
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. Moscow+Ural Contest
97
4917
1385
Interesting Number
Petrozavodsk Summer 2005. Moscow+Ural Contest
2126
246
1386
Maze
Petrozavodsk Summer 2005. Moscow+Ural Contest
441
1167
1387
Vasya's Dad
Petrozavodsk Summer 2005. Moscow+Ural Contest
370
1385
1388
Photo
Petrozavodsk Summer 2005. Moscow+Ural Contest
25
15032
1389
Roadworks
Petrozavodsk Summer 2005. Moscow+Ural Contest
935
557
1390
Shots at Walls
Petrozavodsk Summer 2005. Moscow+Ural Contest
47
9230
1391
Snake
Petrozavodsk Summer 2005. Moscow+Ural Contest
86
5480
1392
Dreaming of Stars
674
769
1393
Average Common Prefix
441
1157
1394
Ships. Version 2
25
15032
1395
Pascal vs. C++. Version 2
210
2302
1396
Maximum. Version 2
244
1989
1397
Points Game
276
1720
1398
Bishop and Pawn
549
863
1399
Economical Director
37
10261
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