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ID
Name
Tags
Difficulty
Rating
Attempts
1
Sum of Two Numbers
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Beginner
89
15
4731/1736
2
Maximum of Two Numbers
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Beginner
42
9
2337/1388
4
Elements of Statistics
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Basic
30
12
1798/672
5
Sum of Square Roots
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Basic
23
7
1428/674
6
Sum of Square Roots #2
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Advanced
42
13
2442/399
7
Last Two Numbers
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Normal
17
5
1280/627
8
Number of Trailing Zeros
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Normal
21
11
1668/521
9
Finding a 4-Digit Number
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Basic
21
4
1033/506
10
Number and Digit
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Beginner
17
5
1436/945
11
Checking for Prime #1
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Basic
21
3
1356/501
12
Checking for Prime #2
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Normal
15
5
1335/429
13
Prime Numbers #1
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Normal
12
3
806/418
14
Prime Numbers #2
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Advanced
20
2
1480/395
15
Product of Sums
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Basic
15
4
731/433
16
Factorial
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Beginner
15
6
1433/842
17
4-digit numbers
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Basic
11
7
976/367
18
Nonstandart Sequence
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Basic
11
6
722/294
19
Sum of Digits
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Basic
10
4
756/488
20
Digital Root
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Medium
9
10
775/387
21
Divisibility by 6
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Beginner
11
3
1317/798
22
Divisibility Check
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Beginner
15
5
1724/748
23
First Digit of a Number
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Beginner
15
3
1314/811
24
Non-divisible Number
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Basic
9
2
745/385
25
System of Equations
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Basic
5
0
448/219
26
Multiples of 4 and 6 or 5
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Normal
12
2
1149/209
27
cAPS LOCK
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Basic
9
2
1131/268
28
Long Words
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Basic
2
2
580/320
29
K-th Number
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Basic
6
7
736/359
30
Searching for Numbers
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Normal
5
3
458/177
31
Cat Catching
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Beginner
9
1
1340/653
32
Latin Alphabet
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Beginner
12
2
1117/573
33
Ribbon
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Basic
4
0
821/353
34
"Hello, Python'
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Beginner
10
6
2320/656
35
Multiples of 4
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Basic
2
1
888/265
37
Mode of Numbers
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Basic
1
0
443/230
38
Sum of Digits (Reverse Problem)
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Normal
5
2
386/201
39
Sum of Digits. Inverse Problem #2
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Normal
6
1
483/155
40
Nonstandart Sum
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Basic
7
3
1059/165
41
Mode of Numbers #2
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Medium
10
0
575/226
42
Linear Search #1
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Basic
3
1
575/289
43
Linear Search #2
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Basic
2
0
473/239
44
Linear Search #3
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Normal
2
2
455/191
45
Linear Search #4
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Medium
5
1
334/171
46
Binary Search #1
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Normal
7
2
420/155
47
Binary Search #2
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Medium
7
2
515/125
48
Binary Search #3
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Medium
3
2
315/103
49
Sorting #1
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Beginner
19
8
1313/541
50
Sorting #2
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Basic
4
2
391/245
51
Sorting #3
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Normal
4
0
214/119
52
Three-Level Sorting
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Advanced
14
2
476/170
