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Problem set. Problems for Beginners
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ID
Title
Source
Accepted
Authors
1000
A+B Problem
49%
34898
1001
Reverse root
19%
6414
1005
Stone pile
USU Championship 1997
27%
7465
1014
The Product of Digits
USU Local Contest. 1999
21%
6234
1020
Rope
Autumn School Contest 2000
32%
6025
1025
Democracy in danger
Autumn School Contest 2000
55%
8840
1044
Lucky tickets. Easy!
USU Championship 2000
60%
6321
1068
Sum
45%
11079
1079
Maximum
Winter Mathematical Festival Varna 2001
42%
5063
1082
Gaby Ivanushka
Spring School Contest 2001
71%
6089
1083
Factorials!!!
Spring School Contest 2001
40%
7169
1086
Cryptography
Spring School Contest 2001
33%
4218
1149
Sinus Dances
61%
2966
1197
Lonesome Knight
Spring School Contest 2002
59%
5650
1209
1, 10, 100, 1000...
Autumn School Contest 2002
19%
3895
1264
Workdays
Autumn School Contest 2003
77%
4901
1293
Eniya
Spring School Contest 2004
78%
6056
1313
Some words about sport
Ural Championship 2004. Round 1
53%
3995
1319
The Hotel
Ural Championship 2004. Round 2
67%
3780
1409
Two Gangsters
Autumn School Contest 2005
56%
5300
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