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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
18598 Encode Message   13 875 63.46
11
5
27217 Minimum Sum   13 189 41.37
16
12
27320 Card Game   13 359 38.80
9
14
30922 Ada and Plum   13 154 45.97
26
26
31221 Zen And His Crush   13 416 67.17
8
11
32944 Ada and Friends   13 975 38.94
10
7
33017 Ada and Mold   13 185 35.68
20
33
33299 Ada and Furrows   13 161 60.71
17
20
34685 Playing With Subarray   13 124 37.53
21
17
35284 Digit Root   13 107 36.34
16
20
35363 The World of Charges   13 174 36.69
3
4
36667 Solution to all the problems   13 155 21.42
15
11
29 Hash it!   14 3650 24.17
14
8
264 Corporative Network   14 612 25.41
17
19
377 Taxi   14 1245 28.48
13
16
660 Dungeon of Death   14 1355 42.80
13
26
1693 Coconuts   14 967 29.88
19
29
1798 Assistance Required   14 2380 44.79
16
7
4168 Square-free integers   14 788 46.27
16
21
4480 Chaos Strings   14 533 30.09
17
22
5161 Factorial vs Power   14 1140 25.97
13
15
5972 Maximum Sum Sequences   14 1160 20.64
15
18
5980 Matrix Game   14 968 29.10
8
20
6556 N DIV PHI_N   14 749 38.38
5
26
6772 Happy Coins   14 2457 55.25
3
10
7190 Guess the Number   14 2238 33.38
4
9
8406 Temple Queues   14 296 19.34
32
33
11560 A Summatory   14 1647 26.01
5
4
11676 Counting diff-pairs   14 210 21.52
24
26
17397 End of Fun   14 358 27.71
17
16
21083 Lexicographically Smallest   14 250 33.20
16
17
24258 Fata7y Ya Warda!   14 146 34.39
20
17
25309 Save Area 11   14 130 31.05
5
6
25891 Peculiar Number   14 237 41.69
19
16
28303 Ada and Plants   14 325 33.81
15
16
28598 Beautiful Factorial Game   14 200 30.14
17
17
30893 Sabbir and Game   14 810 34.45
5
8
34254 Huseyn and his game   14 111 29.39
6
31
34610 Sharmeen Loves Mozahid Loves Sharmeen [ HARD ]   14 168 42.29
6
6
36166 Lucifer and Magical Substrings   14 105 46.38
12
13
36670 Bipartite Permutation   14 370 46.34
6
15
376 A concrete simulation   15 1735 34.38
11
12
1871 Making A Budget   15 875 48.61
12
15
3605 Minimum Rotations   15 921 19.12
15
21
3763 George   15 528 52.53
19
18
3964 Investment Money   15 627 25.73
16
17
4350 Giá trị lớn nhất 3   15 419 23.50
28
20
5450 Tiles of Tetris, Not!   15 3205 36.04
4
5
7668 Pebble Solver   15 2009 50.46
8
11
10111 Nonnegative Partial Sums   15 534 30.05
19
19

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