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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
1904
252
1201
Which Day Is It?
USU Local Contest. March 2002
1349
355
1202
Rectangles Travel
USU Local Contest. March 2002
1059
452
1203
Scientific Conference
USU Local Contest. March 2002
5780
83
1204
Idempotents
USU Local Contest. March 2002
2120
227
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2038
236
1206
Sum of Digits of the Sum of Numbers
USU Local Contest. March 2002
3959
122
1207
Median on the Plane
USU Local Contest. March 2002
3556
135
1208
Legendary Teams Contest
USU Local Contest. March 2002
2274
211
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14034
35
1210
Kind Spirits
Autumn School Contest 2002
2993
162
1211
Collective Guarantee
Autumn School Contest 2002
1564
309
1212
Battleship
Autumn School Contest 2002
970
496
1213
Cockroaches!
Autumn School Contest 2002
2869
169
1214
Strange Procedure
Autumn School Contest 2002
4813
101
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1616
299
1216
Two Pawns and One King
USU Championship 2002
226
2062
1217
Unlucky Tickets
USU Championship 2002
1177
410
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1504
321
1219
Symbolic Sequence
USU Championship 2002
4115
118
1220
Stacks
USU Championship 2002
1766
274
1221
Malevich Strikes Back!
USU Championship 2002
1134
425
1222
Chernobyl’ Eagles
USU Championship 2002
3463
140
1223
Chernobyl’ Eagle on a Roof
USU Championship 2002
1631
297
1224
Spiral
NEERC 2002 Central Subregional
7282
67
1225
Flags
NEERC 2002 Central Subregional
13535
36
1226
esreveR redrO
NEERC 2002 Central Subregional
4343
112
1227
Rally Championship
NEERC 2002 Central Subregional
1608
301
1228
Array
NEERC 2002 Central Subregional
4587
106
1229
Strong Brickwork
NEERC 2002 Central Subregional
1282
377
1230
Introspective Program
NEERC 2002 Central Subregional
638
751
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
218
2135
1232
Asteroid Landing
NEERC 2002 Central Subregional
194
2387
1233
Amusing Numbers
NEERC 2002
505
947
1234
Bricks
NEERC 2002
704
683
1235
Cricket Field
NEERC 2002
635
756
1236
Decoding Task
NEERC 2002
951
507
1237
Evacuation Plan
NEERC 2002
492
972
1238
Folding
NEERC 2002
1145
422
1239
Ghost Busters
NEERC 2002
150
3047
1240
Heroes of Might and Magic
NEERC 2002
336
1409
1241
Inlay Cutters
NEERC 2002
282
1671
1242
Werewolf
USU Personal Contest 2003
2719
179
1243
Divorce of the Seven Dwarfs
USU Personal Contest 2003
9804
50
1244
Gentlemen
USU Personal Contest 2003
1912
254
1245
Pictures
USU Personal Contest 2003
509
942
1246
Tethered Dog
USU Personal Contest 2003
1470
330
1247
Check a Sequence
USU Personal Contest 2003
2046
238
1248
Sequence Sum
USU Personal Contest 2003
731
660
1249
Ancient Necropolis
USU Local Contest. March 2003
2270
215
1250
Sea Burial
USU Local Contest. March 2003
669
720
1251
Cemetery Manager
USU Local Contest. March 2003
311
1524
1252
Sorting the Tombstones
USU Local Contest. March 2003
1215
399
1253
Necrologues
USU Local Contest. March 2003
691
698
1254
Die Hard
USU Local Contest. March 2003
744
649
1255
Graveyard of the Cosa Nostra
USU Local Contest. March 2003
1772
275
1256
Cemetery Guard
USU Local Contest. March 2003
203
2297
1257
Hyphenation
Autumn School Contest 2003
276
1723
1258
Pool
Autumn School Contest 2003
1178
415
1259
How to Become Star?
Autumn School Contest 2003
1245
393
1260
Nudnik Photographer
Autumn School Contest 2003
4448
111
1261
Tips
Autumn School Contest 2003
1488
329
1262
Pseudo-Roman Number
Autumn School Contest 2003
1269
385
1263
Elections
Autumn School Contest 2003
11453
43
1264
Workdays
Autumn School Contest 2003
22900
22
1265
Mirror
USU Championship 2003
313
1526
1266
Kirchhoff's Law
USU Championship 2003
330
1450
1267
Yekaterinburg Subway
USU Championship 2003
253
1875
1268
Little Chu
USU Championship 2003
663
733
1269
Obscene Words Filter
USU Championship 2003
576
841
1270
Unicube
USU Championship 2003
197
2382
1271
Sailing Directions
USU Championship 2003
95
4696
1272
Non-Yekaterinburg Subway
USU Championship 2003
3303
149
1273
Tie
USU Championship 2003
1040
470
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
700
695
1275
Knights of the Round Table
NEERC 2003 Central Subregional
194
2418
1276
Train
NEERC 2003 Central Subregional
651
746
1277
Cops and Thieves
NEERC 2003 Central Subregional
614
791
1278
“… Connecting People”
NEERC 2003 Central Subregional
496
975
1279
Warehouse
NEERC 2003 Central Subregional
1170
418
1280
Topological Sorting
NEERC 2003 Central Subregional
3464
142
1281
River Basin
NEERC 2003 Central Subregional
346
1386
1282
Game Tree
NEERC 2003 Central Subregional
1463
335
1283
Dwarf
USU Personal Contest 2004
4132
120
1284
Space Poker
USU Personal Contest 2004
201
2346
1285
Thread in a Hyperspace
USU Personal Contest 2004
295
1623
1286
Starship Travel
USU Personal Contest 2004
728
671
1287
Mars Canals
USU Personal Contest 2004
1308
376
1288
Astrolocation
USU Personal Contest 2004
204
2314
1289
One Way Ticket
USU Personal Contest 2004
1241
396
1290
Sabotage
Spring School Contest 2004
6241
79
1291
Gear-wheels
Spring School Contest 2004
1260
390
1292
Mars Space Stations
Spring School Contest 2004
1313
374
1293
Eniya
Spring School Contest 2004
33256
15
1294
Mars Satellites
Spring School Contest 2004
1589
310
1295
Crazy Notions
Spring School Contest 2004
3280
151
1296
Hyperjump
Spring School Contest 2004
7165
69
1297
Palindrome
Spring School Contest 2004
6040
82
1298
Knight
Spring School Contest 2004
2149
229
1299
Psylonians
Spring School Contest 2004
319
1506
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