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Problem set. Volume 3
Solved problems:
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ID
Title
Source
Authors
Difficulty
1200
Horns and Hoofs
USU Local Contest. March 2002
1892
252
1201
Which Day Is It?
USU Local Contest. March 2002
1336
356
1202
Rectangles Travel
USU Local Contest. March 2002
1054
450
1203
Scientific Conference
USU Local Contest. March 2002
5735
83
1204
Idempotents
USU Local Contest. March 2002
2109
226
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2029
235
1206
Sum of Digits of the Sum of Numbers
USU Local Contest. March 2002
3942
121
1207
Median on the Plane
USU Local Contest. March 2002
3021
158
1208
Legendary Teams Contest
USU Local Contest. March 2002
2255
212
1209
1, 10, 100, 1000...
Autumn School Contest 2002
13854
35
1210
Kind Spirits
Autumn School Contest 2002
2973
162
1211
Collective Guarantee
Autumn School Contest 2002
1547
310
1212
Battleship
Autumn School Contest 2002
964
496
1213
Cockroaches!
Autumn School Contest 2002
2852
169
1214
Strange Procedure
Autumn School Contest 2002
4788
101
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1602
300
1216
Two Pawns and One King
USU Championship 2002
224
2065
1217
Unlucky Tickets
USU Championship 2002
1169
410
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1492
322
1219
Symbolic Sequence
USU Championship 2002
4098
118
1220
Stacks
USU Championship 2002
1755
274
1221
Malevich Strikes Back!
USU Championship 2002
1130
424
1222
Chernobyl’ Eagles
USU Championship 2002
3450
140
1223
Chernobyl’ Eagle on a Roof
USU Championship 2002
1621
296
1224
Spiral
NEERC 2002 Central Subregional
7243
67
1225
Flags
NEERC 2002 Central Subregional
13401
36
1226
esreveR redrO
NEERC 2002 Central Subregional
4325
112
1227
Rally Championship
NEERC 2002 Central Subregional
1578
304
1228
Array
NEERC 2002 Central Subregional
4566
106
1229
Strong Brickwork
NEERC 2002 Central Subregional
1274
376
1230
Introspective Program
NEERC 2002 Central Subregional
634
751
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
217
2130
1232
Asteroid Landing
NEERC 2002 Central Subregional
192
2393
1233
Amusing Numbers
NEERC 2002
500
949
1234
Bricks
NEERC 2002
700
682
1235
Cricket Field
NEERC 2002
628
759
1236
Decoding Task
NEERC 2002
948
505
1237
Evacuation Plan
NEERC 2002
486
977
1238
Folding
NEERC 2002
1138
422
1239
Ghost Busters
NEERC 2002
149
3044
1240
Heroes of Might and Magic
NEERC 2002
334
1407
1241
Inlay Cutters
NEERC 2002
282
1659
1242
Werewolf
USU Personal Contest 2003
2681
180
1243
Divorce of the Seven Dwarfs
USU Personal Contest 2003
9741
50
1244
Gentlemen
USU Personal Contest 2003
1894
255
1245
Pictures
USU Personal Contest 2003
507
939
1246
Tethered Dog
USU Personal Contest 2003
1460
330
1247
Check a Sequence
USU Personal Contest 2003
2031
238
1248
Sequence Sum
USU Personal Contest 2003
722
663
1249
Ancient Necropolis
USU Local Contest. March 2003
2257
214
1250
Sea Burial
USU Local Contest. March 2003
666
719
1251
Cemetery Manager
USU Local Contest. March 2003
311
1513
1252
Sorting the Tombstones
USU Local Contest. March 2003
1204
400
1253
Necrologues
USU Local Contest. March 2003
688
696
1254
Die Hard
USU Local Contest. March 2003
743
645
1255
Graveyard of the Cosa Nostra
USU Local Contest. March 2003
1767
273
1256
Cemetery Guard
USU Local Contest. March 2003
202
2291
1257
Hyphenation
Autumn School Contest 2003
274
1723
1258
Pool
Autumn School Contest 2003
1169
415
1259
How to Become Star?
Autumn School Contest 2003
1237
392
1260
Nudnik Photographer
Autumn School Contest 2003
4414
111
1261
Tips
Autumn School Contest 2003
1462
332
1262
Pseudo-Roman Number
Autumn School Contest 2003
1265
384
1263
Elections
Autumn School Contest 2003
11302
43
1264
Workdays
Autumn School Contest 2003
22664
22
1265
Mirror
USU Championship 2003
310
1530
1266
Kirchhoff's Law
USU Championship 2003
322
1475
1267
Yekaterinburg Subway
USU Championship 2003
250
1883
1268
Little Chu
USU Championship 2003
658
733
1269
Obscene Words Filter
USU Championship 2003
576
836
1270
Unicube
USU Championship 2003
195
2389
1271
Sailing Directions
USU Championship 2003
95
4663
1272
Non-Yekaterinburg Subway
USU Championship 2003
3255
150
1273
Tie
USU Championship 2003
1037
468
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
699
691
1275
Knights of the Round Table
NEERC 2003 Central Subregional
190
2449
1276
Train
NEERC 2003 Central Subregional
646
747
1277
Cops and Thieves
NEERC 2003 Central Subregional
611
789
1278
“… Connecting People”
NEERC 2003 Central Subregional
492
976
1279
Warehouse
NEERC 2003 Central Subregional
1165
417
1280
Topological Sorting
NEERC 2003 Central Subregional
3433
142
1281
River Basin
NEERC 2003 Central Subregional
343
1388
1282
Game Tree
NEERC 2003 Central Subregional
1453
335
1283
Dwarf
USU Personal Contest 2004
4107
119
1284
Space Poker
USU Personal Contest 2004
198
2364
1285
Thread in a Hyperspace
USU Personal Contest 2004
291
1634
1286
Starship Travel
USU Personal Contest 2004
721
673
1287
Mars Canals
USU Personal Contest 2004
1303
375
1288
Astrolocation
USU Personal Contest 2004
203
2309
1289
One Way Ticket
USU Personal Contest 2004
1231
396
1290
Sabotage
Spring School Contest 2004
6211
79
1291
Gear-wheels
Spring School Contest 2004
1238
394
1292
Mars Space Stations
Spring School Contest 2004
1308
373
1293
Eniya
Spring School Contest 2004
32874
15
1294
Mars Satellites
Spring School Contest 2004
1580
309
1295
Crazy Notions
Spring School Contest 2004
3250
151
1296
Hyperjump
Spring School Contest 2004
6545
75
1297
Palindrome
Spring School Contest 2004
5995
82
1298
Knight
Spring School Contest 2004
2142
229
1299
Psylonians
Spring School Contest 2004
319
1495
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