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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
2864
1301
Cube in Labyrinth
Ural Championship 1998
675
744
1302
Delta-wave
Ural Championship 1998
1455
348
1303
Minimal Coverage
Ural Championship 1998
2814
181
1304
Parallelepiped
Ural Championship 1998
257
1910
1305
Convex Hull
Ural Championship 1998
713
705
1306
Sequence Median
Ural Championship 1998
3518
145
1307
Archiver
Ural Championship 2004. Round 1
387
1285
1308
Dean's Pyramid
Ural Championship 2004. Round 1
169
2850
1309
Dispute
Ural Championship 2004. Round 1
837
602
1310
ACM Diagnostics
Ural Championship 2004. Round 1
457
1092
1311
Stable Construction
Ural Championship 2004. Round 1
340
1457
1312
Tray
Ural Championship 2004. Round 1
159
3018
1313
Some Words about Sport
Ural Championship 2004. Round 1
14992
34
1314
Chase in Subway
Ural Championship 2004. Round 1
855
590
1315
MDPAR and MIIAR
Ural Championship 2004. Round 1
264
1862
1316
Electronic Auction
Ural Championship 2004. Round 1
1156
437
1317
Hail
Ural Championship 2004. Round 2
468
1067
1318
Logarithm
Ural Championship 2004. Round 2
354
1402
1319
Hotel
Ural Championship 2004. Round 2
13162
39
1320
Graph Decomposition
Ural Championship 2004. Round 2
1767
287
1321
Floor Indicator
Ural Championship 2004. Round 2
369
1346
1322
Spy
Ural Championship 2004. Round 2
2727
186
1323
Classmates
Ural Championship 2004. Round 2
611
822
1324
Extra Spaces
Ural Championship 2004. Round 2
538
931
1325
Dirt
Ural Championship 2004. Round 2
937
539
1326
Bottle Taps
Ural Championship 2004. Round 2
1286
394
1327
Fuses
Autumn School Contest 2004
11004
47
1328
Fireball
Autumn School Contest 2004
355
1405
1329
Galactic History
Autumn School Contest 2004
1101
462
1330
Intervals
Autumn School Contest 2004
5364
95
1331
Vladislava
Autumn School Contest 2004
504
998
1332
Genie Bomber
Autumn School Contest 2004
813
623
1333
Genie Bomber 2
Autumn School Contest 2004
2364
216
1334
Checkers
Autumn School Contest 2004
942
539
1335
White Thesis
Autumn School Contest 2004
2832
180
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4210
122
1337
Bureaucracy
Autumn School Contest 2004
319
1559
1338
Automobiles
USU Championship 2004
276
1799
1339
Babies
USU Championship 2004
587
862
1340
Cucaracha
USU Championship 2004
93
4996
1341
Device
USU Championship 2004
442
1138
1342
Enterprise
USU Championship 2004
682
744
1343
Fairy Tale
USU Championship 2004
1227
416
1344
Gigantic Turnip
USU Championship 2004
104
4514
1345
HTML
USU Championship 2004
347
1441
1346
Intervals of Monotonicity
USU Championship 2004
1723
297
1347
Blog
Spring School Contest 2005
364
1377
1348
Goat in the Garden 2
Spring School Contest 2005
2819
182
1349
Farm
Spring School Contest 2005
10172
51
1350
Canteen
Spring School Contest 2005
1296
394
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
973
524
1352
Mersenne Primes
Spring School Contest 2005
3937
130
1353
Milliard Vasya's Function
Spring School Contest 2005
4974
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3702
139
1355
Bald Spot Revisited
Spring School Contest 2005
2425
211
1356
Something Easier
Spring School Contest 2005
1728
296
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
423
1189
1358
Cables
Spring School Contest 2005
941
541
1359
Construction
Spring School Contest 2005
436
1154
1360
Philosophical Dispute
Ural Championship 2005. Round 2
395
1272
1361
Spaceology vs. Chronistics
Ural Championship 2005. Round 2
254
1952
1362
Classmates 2
Ural Championship 2005. Round 2
1149
445
1363
Halftones
Ural Championship 2005. Round 2
86
5368
1364
LaraKiller
Ural Championship 2005. Round 2
534
947
1365
Testing Calculator
Ural Championship 2005. Round 2
96
4862
1366
Presents
Ural Championship 2005. Round 2
967
527
1367
Top Secret
Ural Championship 2005. Round 2
162
2996
1368
Goat in the Garden 3
Ural Championship 2005. Round 2
199
2466
1369
Cockroach Race
Ural Championship 2005. Round 2
29
13213
1370
Magician
Ural Championship 2005. Round 2
5741
90
1371
Cargo Agency
Ural Championship 2005. Round 1
977
523
1372
Death Star
Ural Championship 2005. Round 1
76
6008
1373
Pictura ex Machina
Ural Championship 2005. Round 1
601
846
1374
Misere
Ural Championship 2005. Round 1
37
10993
1375
Bill Clevers
Ural Championship 2005. Round 1
949
539
1376
Dean's Pyramid 2
Ural Championship 2005. Round 1
44
9568
1377
Lara Croft
Ural Championship 2005. Round 1
1737
296
1378
Artificial Intelligence
Ural Championship 2005. Round 1
339
1480
1379
Cups Transportation
Ural Championship 2005. Round 1
815
626
1380
Ostap's Chess
Petrozavodsk Summer 2005. Moscow+Ural Contest
113
4201
1381
Cockroaches in the Building
Petrozavodsk Summer 2005. Moscow+Ural Contest
137
3515
1382
Game with Cards
Petrozavodsk Summer 2005. Moscow+Ural Contest
286
1746
1383
Flower-garden Designs
Petrozavodsk Summer 2005. Moscow+Ural Contest
42
9937
1384
Goat in the Garden 4
Petrozavodsk Summer 2005. Moscow+Ural Contest
92
5066
1385
Interesting Number
Petrozavodsk Summer 2005. Moscow+Ural Contest
2099
245
1386
Maze
Petrozavodsk Summer 2005. Moscow+Ural Contest
439
1151
1387
Vasya's Dad
Petrozavodsk Summer 2005. Moscow+Ural Contest
361
1393
1388
Photo
Petrozavodsk Summer 2005. Moscow+Ural Contest
22
16148
1389
Roadworks
Petrozavodsk Summer 2005. Moscow+Ural Contest
916
558
1390
Shots at Walls
Petrozavodsk Summer 2005. Moscow+Ural Contest
43
9750
1391
Snake
Petrozavodsk Summer 2005. Moscow+Ural Contest
85
5439
1392
Dreaming of Stars
666
764
1393
Average Common Prefix
432
1159
1394
Ships. Version 2
23
15659
1395
Pascal vs. C++. Version 2
203
2331
1396
Maximum. Version 2
240
1981
1397
Points Game
272
1709
1398
Bishop and Pawn
534
868
1399
Economical Director
34
10728
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