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ID
Name
Tags
Difficulty
Rating
Attempts
1
Sum of Two Numbers
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Beginner
94
15
4952/1832
2
Maximum of Two Numbers
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Beginner
45
10
2476/1462
4
Elements of Statistics
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Basic
31
13
1887/703
5
Sum of Square Roots
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Basic
25
8
1527/721
6
Sum of Square Roots #2
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Advanced
45
14
2592/437
7
Last Two Numbers
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Normal
19
5
1356/670
8
Number of Trailing Zeros
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Normal
21
11
1761/552
9
Finding a 4-Digit Number
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Basic
21
4
1112/540
10
Number and Digit
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Beginner
17
5
1531/999
11
Checking for Prime #1
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Basic
22
3
1420/536
12
Checking for Prime #2
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Normal
17
5
1398/457
13
Prime Numbers #1
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Normal
13
3
857/444
14
Prime Numbers #2
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Advanced
21
3
1599/430
15
Product of Sums
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Basic
16
4
765/456
16
Factorial
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Beginner
15
7
1498/887
17
4-digit numbers
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Basic
12
7
1058/390
18
Nonstandart Sequence
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Basic
11
7
830/306
19
Sum of Digits
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Basic
10
4
786/508
20
Digital Root
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Medium
9
11
853/410
21
Divisibility by 6
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Beginner
11
3
1374/836
22
Divisibility Check
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Beginner
15
6
1822/785
23
First Digit of a Number
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Beginner
15
4
1413/858
24
Non-divisible Number
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Basic
9
2
786/402
25
System of Equations
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Basic
5
0
476/235
26
Multiples of 4 and 6 or 5
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Normal
12
2
1186/222
27
cAPS LOCK
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Basic
10
3
1252/283
28
Long Words
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Basic
2
2
607/331
29
K-th Number
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Basic
6
8
790/384
30
Searching for Numbers
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Normal
5
6
509/193
31
Cat Catching
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Beginner
11
2
1432/691
32
Latin Alphabet
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Beginner
12
3
1166/604
33
Ribbon
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Basic
4
0
845/365
34
"Hello, Python'
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Beginner
10
8
2447/687
35
Multiples of 4
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Basic
2
2
916/274
37
Mode of Numbers
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Basic
1
0
459/240
38
Sum of Digits (Reverse Problem)
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Normal
5
2
409/217
39
Sum of Digits. Inverse Problem #2
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Normal
7
2
507/169
40
Nonstandart Sum
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Basic
7
3
1116/170
41
Mode of Numbers #2
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Medium
12
0
619/249
42
Linear Search #1
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Basic
3
1
603/312
43
Linear Search #2
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Basic
2
0
496/254
44
Linear Search #3
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Normal
2
2
473/206
45
Linear Search #4
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Medium
5
1
363/185
46
Binary Search #1
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Normal
9
2
434/168
47
Binary Search #2
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Medium
7
2
545/134
48
Binary Search #3
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Medium
4
3
325/110
49
Sorting #1
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Beginner
20
9
1408/581
50
Sorting #2
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Basic
4
2
416/257
51
Sorting #3
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Normal
4
0
227/131
52
Three-Level Sorting
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Advanced
15
2
499/185
