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ID
Title
Submit
Solved
1900
IP Address
1020
639
1901
Boolean Expresions
196
34
1902
Gear Profiles
27
6
1903
Lazy Pianist
18
4
1904
Power of Cryptography
494
340
1905
Land Division Tax
61
19
1906
Petanque
9
5
1907
Long Night of Museums
148
17
1908
Magic Trick
70
37
1910
Zing Zhu¡¯s Oyster Farm
18
11
1911
Grandpa is Famous
144
77
1912
Cutting Edge
8
3
1913
Hanafuda Shuffle
93
66
1914
Red and Black
247
181
1915
Unit Fraction Partition
20
10
1916
Circle and Points
149
67
1917
Water Tank
1
0
1918
Name the Crossing
61
2
1919
Disputed Claims
155
79
1920
Palindrome Problem El Borpem Ord Nilap
1060
423
1921
Simple Statistics
44
15
1922
Isomorphic Numbers
83
26
1923
Macrosoft Word
78
18
1924
Johnny the Taxi Driver
7
4
1925
In Memory of Denis Roskin
210
145
1926
The Game of Nubble
23
7
1927
Traffic Control
33
10
1928
Who Is the Real Second
27
14
1929
The Game of Yazoo
31
9
1930
XML+XPATH=XSLT
10
5
1931
Agents
37
9
1932
Boatherds
17
9
1933
Looooops
247
68
1934
Death to Binary?
37
14
1935
Electricity
155
60
1936
Firepersons
35
23
1937
God of the Vile Baskers
7
3
1938
Herbalists
4
0
1939
Inglish-Number Translator
149
72
1940
Japan Plotter Driver
14
10
1941
Metricky cas
42
14
1942
Foto
43
25
1943
Jeskyne
17
8
1944
Kod
11
8
1945
Okrsky
56
36
1946
Parlament
29
19
1947
ruleta
20
14
1948
sekretarka
110
49
1949
BG
892
759
1950
Cards
611
244
1951
Circular_Road
281
149
1952
Help!
154
66
1953
Key
670
250
1954
MagicBuilding
266
162
1955
MagicForest
318
67
1956
Polygon
13
8
1957
MagicStar
322
36
1958
Count the money
45
7
1959
Cut the string
34
10
1960
Determinant
42
13
1961
Jump
171
87
1962
Kinfkong's Problem
406
182
1963
Labyrinth
73
39
1964
Permutational Function
34
6
1965
Polynomial
79
15
1966
Shortest Distance Again
32
10
1967
Sum
1509
555
1968
Rotating Words
888
560
1969
Table
98
56
1970
AVL_Tree
35
22
1971
Mondrian
709
268
1972
Divisor
38
6
1973
Flora's Island
58
22
1974
Mod 9
1298
531
1975
Paint the Circle
172
23
1976
The Race
20
4
1977
Mersenne Composite Numbers
27
14
1978
Zipper
157
62
1979
Lenny's Lucky Lotto Lists
50
31
1980
Stacking Cylinders
61
40
1981
Going Home
144
93
1982
Specialized Four-Digit Numbers
267
207
1983
Jill's Tour Paths
126
57
1984
Boundaries on
6
5
1985
Rate of Return
102
52
1986
A Card Trick
10
5
1987
Amphiphilic Carbon Molecules
30
6
1988
Link and Pop -- the Block Game
12
2
1989
The Counting Problem
76
48
1990
Different Digits
39
10
1991
That Nice Euler Circuit
10
8
1992
The Floor Bricks
3
2
1993
The Rotation Game
70
29
1994
Tian Ji -- The Horse Racing
71
27
1995
Islands and Bridges
27
10
1996
Jamie's Contact Groups
138
60
1997
Jolly Jumpers
1648
475
1998
The Solar System
16
6
1999
WERTYU
683
307