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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
168
2881
1301
Cube in Labyrinth
Ural Championship 1998
679
744
1302
Delta-wave
Ural Championship 1998
1459
349
1303
Minimal Coverage
Ural Championship 1998
2834
180
1304
Parallelepiped
Ural Championship 1998
257
1920
1305
Convex Hull
Ural Championship 1998
716
706
1306
Sequence Median
Ural Championship 1998
3527
145
1307
Archiver
Ural Championship 2004. Round 1
389
1286
1308
Dean's Pyramid
Ural Championship 2004. Round 1
170
2850
1309
Dispute
Ural Championship 2004. Round 1
840
604
1310
ACM Diagnostics
Ural Championship 2004. Round 1
459
1094
1311
Stable Construction
Ural Championship 2004. Round 1
341
1462
1312
Tray
Ural Championship 2004. Round 1
160
3018
1313
Some Words about Sport
Ural Championship 2004. Round 1
15117
34
1314
Chase in Subway
Ural Championship 2004. Round 1
859
590
1315
MDPAR and MIIAR
Ural Championship 2004. Round 1
266
1859
1316
Electronic Auction
Ural Championship 2004. Round 1
1167
436
1317
Hail
Ural Championship 2004. Round 2
471
1067
1318
Logarithm
Ural Championship 2004. Round 2
359
1390
1319
Hotel
Ural Championship 2004. Round 2
13223
39
1320
Graph Decomposition
Ural Championship 2004. Round 2
1776
287
1321
Floor Indicator
Ural Championship 2004. Round 2
369
1354
1322
Spy
Ural Championship 2004. Round 2
2765
185
1323
Classmates
Ural Championship 2004. Round 2
612
825
1324
Extra Spaces
Ural Championship 2004. Round 2
540
933
1325
Dirt
Ural Championship 2004. Round 2
945
537
1326
Bottle Taps
Ural Championship 2004. Round 2
1297
393
1327
Fuses
Autumn School Contest 2004
11044
47
1328
Fireball
Autumn School Contest 2004
357
1405
1329
Galactic History
Autumn School Contest 2004
1106
462
1330
Intervals
Autumn School Contest 2004
5381
96
1331
Vladislava
Autumn School Contest 2004
506
999
1332
Genie Bomber
Autumn School Contest 2004
819
622
1333
Genie Bomber 2
Autumn School Contest 2004
2373
216
1334
Checkers
Autumn School Contest 2004
946
539
1335
White Thesis
Autumn School Contest 2004
2840
181
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4231
122
1337
Bureaucracy
Autumn School Contest 2004
321
1558
1338
Automobiles
USU Championship 2004
279
1790
1339
Babies
USU Championship 2004
591
861
1340
Cucaracha
USU Championship 2004
94
4975
1341
Device
USU Championship 2004
444
1140
1342
Enterprise
USU Championship 2004
687
742
1343
Fairy Tale
USU Championship 2004
1235
416
1344
Gigantic Turnip
USU Championship 2004
106
4460
1345
HTML
USU Championship 2004
348
1445
1346
Intervals of Monotonicity
USU Championship 2004
1731
297
1347
Blog
Spring School Contest 2005
368
1370
1348
Goat in the Garden 2
Spring School Contest 2005
2835
182
1349
Farm
Spring School Contest 2005
10229
51
1350
Canteen
Spring School Contest 2005
1305
394
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
979
523
1352
Mersenne Primes
Spring School Contest 2005
3953
131
1353
Milliard Vasya's Function
Spring School Contest 2005
5008
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3740
138
1355
Bald Spot Revisited
Spring School Contest 2005
2448
211
1356
Something Easier
Spring School Contest 2005
1742
296
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
426
1187
1358
Cables
Spring School Contest 2005
947
541
1359
Construction
Spring School Contest 2005
437
1158
1360
Philosophical Dispute
Ural Championship 2005. Round 2
397
1273
1361
Spaceology vs. Chronistics
Ural Championship 2005. Round 2
254
1963
1362
Classmates 2
Ural Championship 2005. Round 2
1158
444
1363
Halftones
Ural Championship 2005. Round 2
89
5234
1364
LaraKiller
Ural Championship 2005. Round 2
534
952
1365
Testing Calculator
Ural Championship 2005. Round 2
99
4754
1366
Presents
Ural Championship 2005. Round 2
976
526
1367
Top Secret
Ural Championship 2005. Round 2
162
3013
1368
Goat in the Garden 3
Ural Championship 2005. Round 2
199
2479
1369
Cockroach Race
Ural Championship 2005. Round 2
31
12638
1370
Magician
Ural Championship 2005. Round 2
5810
89
1371
Cargo Agency
Ural Championship 2005. Round 1
983
523
1372
Death Star
Ural Championship 2005. Round 1
77
5971
1373
Pictura ex Machina
Ural Championship 2005. Round 1
607
842
1374
Misere
Ural Championship 2005. Round 1
39
10602
1375
Bill Clevers
Ural Championship 2005. Round 1
949
542
1376
Dean's Pyramid 2
Ural Championship 2005. Round 1
44
9620
1377
Lara Croft
Ural Championship 2005. Round 1
1746
296
1378
Artificial Intelligence
Ural Championship 2005. Round 1
339
1488
1379
Cups Transportation
Ural Championship 2005. Round 1
825
622
1380
Ostap's Chess
Petrozavodsk Summer 2005. Moscow+Ural Contest
113
4224
1381
Cockroaches in the Building
Petrozavodsk Summer 2005. Moscow+Ural Contest
137
3534
1382
Game with Cards
Petrozavodsk Summer 2005. Moscow+Ural Contest
288
1743
1383
Flower-garden Designs
Petrozavodsk Summer 2005. Moscow+Ural Contest
42
9991
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. Moscow+Ural Contest
94
4996
1385
Interesting Number
Petrozavodsk Summer 2005. Moscow+Ural Contest
2108
245
1386
Maze
Petrozavodsk Summer 2005. Moscow+Ural Contest
439
1157
1387
Vasya's Dad
Petrozavodsk Summer 2005. Moscow+Ural Contest
365
1385
1388
Photo
Petrozavodsk Summer 2005. Moscow+Ural Contest
22
16236
1389
Roadworks
Petrozavodsk Summer 2005. Moscow+Ural Contest
922
557
1390
Shots at Walls
Petrozavodsk Summer 2005. Moscow+Ural Contest
44
9621
1391
Snake
Petrozavodsk Summer 2005. Moscow+Ural Contest
85
5469
1392
Dreaming of Stars
668
766
1393
Average Common Prefix
435
1158
1394
Ships. Version 2
23
15745
1395
Pascal vs. C++. Version 2
204
2334
1396
Maximum. Version 2
241
1985
1397
Points Game
272
1720
1398
Bishop and Pawn
538
867
1399
Economical Director
35
10558
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