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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
20172 Divisiblity by 3   11 589 30.54
14
10
23237 Feast Coins   11 105 41.93
19
17
25779 Cinema Conundrum   11 124 35.90
10
10
25854 Palindrome Or Not   11 339 16.57
12
8
26319 I LOVE Kd-TREES   11 228 41.63
20
25
26348 K NUMBERS   11 285 38.44
9
9
26445 Alicias Afternoon Amble   11 189 57.07
20
26
26778 NO GCD   11 105 22.58
29
38
26954 k Alternating Sum   11 81 31.75
23
26
27319 Mangu Numbers   11 115 36.08
19
23
28163 OR   11 130 22.10
20
20
28288 Super Amoeba   11 204 37.34
18
16
28449 Ada and List   11 335 22.68
14
17
28451 Ada and Cities   11 154 30.51
21
19
28597 Guess the Queue   11 203 26.12
17
17
28632 Ghost Town   11 292 41.12
23
10
29363 How many can you sort?   11 84 48.00
10
10
30787 Ada and Aphids   11 212 30.88
27
26
31341 Just One Swap   11 186 28.89
11
12
32086 The Permutation Game Again   11 168 44.78
10
13
32199 Ada and Cherry   11 164 36.26
14
22
32257 Apoorv and Math problem   11 174 14.96
29
16
32577 Ada and Terramorphing   11 281 12.10
31
24
34275 Game Store   11 212 48.72
5
6
34377 Digit Subsequence   11 257 35.92
7
11
34682 Good Elements   11 146 29.56
8
6
34923 Hack the Password   11 431 22.82
12
8
34945 Euler Puzzle   11 138 38.49
8
17
35295 zig-zag on the golden river   11 124 22.97
9
15
36531 Empanadas   11 79 55.19
4
11
40083 Just Primes   11 124 29.90
15
17
6 Simple Arithmetics   12 3081 11.99
30
9
16 Sphere in a tetrahedron   12 3552 55.21
11
16
178 Road net   12 2394 49.63
9
8
243 Stable Marriage Problem   12 1567 40.71
19
22
1713 Funny scales   12 563 30.57
17
16
2826 Round-Robin Scheduling   12 650 36.17
23
22
3752 JEDNAKOST   12 601 18.45
23
21
3969 M&M Game   12 1321 42.35
4
17
7188 Escape from Jail   12 629 30.98
18
23
7739 Sound   12 485 33.86
20
17
7757 Flowers Flourish from France   12 3177 53.09
7
2
9034 Help Tohu   12 2317 45.36
5
23
9040 Tug of War   12 623 25.80
9
21
9637 Black and White   12 2184 54.19
4
5
9650 Mega Inversions   12 619 42.98
11
18
11931 AMZ Word   12 1709 64.77
9
10
12866 Nlogonian Tickets   12 334 20.95
25
24
13447 Crayon   12 150 26.55
23
27
14844 All Your Base   12 543 30.17
11
11

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