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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
36142 Random modulo n   16 79 60.59
8
15
33 Trip   17 2073 26.41
25
16
137 Partition   17 789 36.73
17
20
1163 Java vs C ++   17 5524 22.88
14
5
2007 Another Very Easy Problem! WOW!!!   17 792 39.04
13
28
2008 Dab of Backpack   17 674 23.80
21
17
2742 Summing Sums   17 921 19.10
16
23
2881 Find the Clones   17 2057 44.58
9
7
3920 Lucius Dungeon   17 1752 38.84
17
12
4465 The Ant   17 746 25.99
20
15
7185 Bye Bye Cakes   17 3669 38.67
8
7
7423 File Recover Testing   17 927 35.56
7
11
7870 Invisible point   17 1671 42.96
4
18
8042 Possible Friends   17 1192 37.22
12
10
8728 Hierarchy   17 1819 29.86
10
17
11050 R Numbers   17 267 55.65
28
32
14888 Good Predictions   17 1104 42.54
6
10
14893 Good Inflation   17 195 28.52
30
34
16033 Tip Top Game   17 1769 27.18
2
7
17399 G Force   17 370 33.25
10
15
17761 Gopu and Digits Divisibility   17 2638 43.00
4
4
18202 HUGE GCD   17 687 33.32
14
13
19274 Operators   17 605 20.36
14
20
20644 Zero Query   17 772 19.61
31
27
23842 Professor Farouk Question   17 584 33.76
10
7
23938 Save the Scofield !!   17 274 32.04
17
19
25131 Largest Odd Divisor   17 1438 33.60
6
7
26527 DIVSEQ   17 238 46.49
13
17
26771 Almost Prime Numbers Again   17 334 19.59
24
20
26914 Collecting Mango   17 743 18.76
18
23
27039 Assembly line   17 553 25.21
17
14
27321 Increasing numbers   17 588 23.87
13
19
28352 Friend Zoned   17 291 63.72
6
12
30919 Sabbir and gcd problem   17 337 23.05
16
16
34622 NICE SEQUENCES   17 165 50.66
11
13
34743 Popatlal ki shaadi   17 315 20.68
14
13
2371 Another Longest Increasing Subsequence Problem   18 845 13.69
30
33
2412 Arranging Amplifiers   18 3284 27.22
7
16
3033 Help the soldier   18 1253 29.00
12
14
3877 Cvjetici   18 986 48.67
12
21
6322 The hunt for Gollum   18 710 23.02
25
16
6694 D - Playing with Marbles   18 3504 66.68
3
5
8496 No Squares Numbers   18 845 35.10
19
15
10293 FANCY NUMBERS   18 1732 50.15
7
9
11401 Bazinga!   18 745 22.65
18
19
13780 Audition   18 656 24.08
17
17
13990 Web islands   18 586 33.05
15
16
15736 Breaking String   18 779 37.79
17
28
17112 Training Land of Fury   18 1391 47.65
9
9
24032 The art of tree numbers   18 148 29.10
17
19

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