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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
2906
1301
Cube in Labyrinth
Ural Championship 1998
688
741
1302
Delta-wave
Ural Championship 1998
1467
350
1303
Minimal Coverage
Ural Championship 1998
2848
181
1304
Parallelepiped
Ural Championship 1998
263
1895
1305
Convex Hull
Ural Championship 1998
721
708
1306
Sequence Median
Ural Championship 1998
3537
146
1307
Archiver
Ural Championship 2004. Round 1
392
1287
1308
Dean's Pyramid
Ural Championship 2004. Round 1
170
2875
1309
Dispute
Ural Championship 2004. Round 1
844
606
1310
ACM Diagnostics
Ural Championship 2004. Round 1
469
1080
1311
Stable Construction
Ural Championship 2004. Round 1
344
1462
1312
Tray
Ural Championship 2004. Round 1
161
3026
1313
Some Words about Sport
Ural Championship 2004. Round 1
15186
34
1314
Chase in Subway
Ural Championship 2004. Round 1
869
589
1315
MDPAR and MIIAR
Ural Championship 2004. Round 1
269
1855
1316
Electronic Auction
Ural Championship 2004. Round 1
1177
436
1317
Hail
Ural Championship 2004. Round 2
472
1074
1318
Logarithm
Ural Championship 2004. Round 2
360
1399
1319
Hotel
Ural Championship 2004. Round 2
13284
39
1320
Graph Decomposition
Ural Championship 2004. Round 2
1792
287
1321
Floor Indicator
Ural Championship 2004. Round 2
372
1355
1322
Spy
Ural Championship 2004. Round 2
2815
183
1323
Classmates
Ural Championship 2004. Round 2
616
827
1324
Extra Spaces
Ural Championship 2004. Round 2
542
938
1325
Dirt
Ural Championship 2004. Round 2
952
538
1326
Bottle Taps
Ural Championship 2004. Round 2
1314
391
1327
Fuses
Autumn School Contest 2004
11086
47
1328
Fireball
Autumn School Contest 2004
358
1414
1329
Galactic History
Autumn School Contest 2004
1121
460
1330
Intervals
Autumn School Contest 2004
5405
96
1331
Vladislava
Autumn School Contest 2004
510
1000
1332
Genie Bomber
Autumn School Contest 2004
827
622
1333
Genie Bomber 2
Autumn School Contest 2004
2384
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
4246
122
1337
Bureaucracy
Autumn School Contest 2004
325
1553
1338
Automobiles
USU Championship 2004
281
1793
1339
Babies
USU Championship 2004
596
861
1340
Cucaracha
USU Championship 2004
94
5018
1341
Device
USU Championship 2004
446
1144
1342
Enterprise
USU Championship 2004
700
735
1343
Fairy Tale
USU Championship 2004
1247
415
1344
Gigantic Turnip
USU Championship 2004
106
4499
1345
HTML
USU Championship 2004
352
1442
1346
Intervals of Monotonicity
USU Championship 2004
1745
297
1347
Blog
Spring School Contest 2005
369
1378
1348
Goat in the Garden 2
Spring School Contest 2005
2915
179
1349
Farm
Spring School Contest 2005
10292
51
1350
Canteen
Spring School Contest 2005
1334
389
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
986
524
1352
Mersenne Primes
Spring School Contest 2005
3968
131
1353
Milliard Vasya's Function
Spring School Contest 2005
5048
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3764
138
1355
Bald Spot Revisited
Spring School Contest 2005
2463
211
1356
Something Easier
Spring School Contest 2005
1751
297
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
429
1190
1358
Cables
Spring School Contest 2005
952
543
1359
Construction
Spring School Contest 2005
440
1161
1360
Philosophical Dispute
Ural Championship 2005. Round 2
398
1281
1361
Spaceology vs. Chronistics
Ural Championship 2005. Round 2
257
1957
1362
Classmates 2
Ural Championship 2005. Round 2
1166
444
1363
Halftones
Ural Championship 2005. Round 2
92
5124
1364
LaraKiller
Ural Championship 2005. Round 2
536
957
1365
Testing Calculator
Ural Championship 2005. Round 2
101
4708
1366
Presents
Ural Championship 2005. Round 2
985
525
1367
Top Secret
Ural Championship 2005. Round 2
164
3004
1368
Goat in the Garden 3
Ural Championship 2005. Round 2
199
2501
1369
Cockroach Race
Ural Championship 2005. Round 2
33
12154
1370
Magician
Ural Championship 2005. Round 2
5833
89
1371
Cargo Agency
Ural Championship 2005. Round 1
992
523
1372
Death Star
Ural Championship 2005. Round 1
79
5887
1373
Pictura ex Machina
Ural Championship 2005. Round 1
610
845
1374
Misere
Ural Championship 2005. Round 1
41
10274
1375
Bill Clevers
Ural Championship 2005. Round 1
957
542
1376
Dean's Pyramid 2
Ural Championship 2005. Round 1
44
9703
1377
Lara Croft
Ural Championship 2005. Round 1
1756
297
1378
Artificial Intelligence
Ural Championship 2005. Round 1
342
1488
1379
Cups Transportation
Ural Championship 2005. Round 1
847
611
1380
Ostap's Chess
Petrozavodsk Summer 2005. Moscow+Ural Contest
115
4192
1381
Cockroaches in the Building
Petrozavodsk Summer 2005. Moscow+Ural Contest
137
3565
1382
Game with Cards
Petrozavodsk Summer 2005. Moscow+Ural Contest
291
1741
1383
Flower-garden Designs
Petrozavodsk Summer 2005. Moscow+Ural Contest
45
9528
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. Moscow+Ural Contest
96
4944
1385
Interesting Number
Petrozavodsk Summer 2005. Moscow+Ural Contest
2123
246
1386
Maze
Petrozavodsk Summer 2005. Moscow+Ural Contest
441
1162
1387
Vasya's Dad
Petrozavodsk Summer 2005. Moscow+Ural Contest
369
1383
1388
Photo
Petrozavodsk Summer 2005. Moscow+Ural Contest
24
15412
1389
Roadworks
Petrozavodsk Summer 2005. Moscow+Ural Contest
933
556
1390
Shots at Walls
Petrozavodsk Summer 2005. Moscow+Ural Contest
47
9193
1391
Snake
Petrozavodsk Summer 2005. Moscow+Ural Contest
85
5516
1392
Dreaming of Stars
673
767
1393
Average Common Prefix
440
1155
1394
Ships. Version 2
24
15413
1395
Pascal vs. C++. Version 2
208
2313
1396
Maximum. Version 2
244
1980
1397
Points Game
274
1724
1398
Bishop and Pawn
546
864
1399
Economical Director
37
10213
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