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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
13165 Totient in permutation (easy)   11 278 21.26
17
17
13577 Card Game   11 407 22.94
15
17
13875 Knifes Are Fun   11 1281 43.17
3
7
14697 Loop Expectation   11 663 49.16
14
22
14971 The Foxens Treasure   11 229 36.93
14
16
15438 Valences   11 1260 41.59
4
7
15627 Create Collections   11 1604 33.61
9
9
15634 Lennys Lucky Lotto Lists   11 226 34.42
7
14
16184 Megatron and his rage   11 1096 32.26
9
9
17504 Run length encoding   11 1005 38.84
6
2
18247 Arrangement Validity   11 211 35.82
17
21
18467 A Brief Expedition   11 272 54.44
15
15
18945 Car with powers   11 299 29.58
22
21
20172 Divisiblity by 3   11 581 30.56
14
10
23237 Feast Coins   11 101 41.52
19
17
23925 Vitaliy and Pie   11 611 42.01
10
7
25779 Cinema Conundrum   11 119 36.09
10
10
26348 K NUMBERS   11 277 38.23
9
9
26445 Alicias Afternoon Amble   11 185 57.17
20
26
26778 NO GCD   11 101 22.40
29
38
26954 k Alternating Sum   11 73 32.90
23
26
28163 OR   11 126 21.60
20
20
28597 Guess the Queue   11 194 25.78
17
17
29363 How many can you sort?   11 76 47.52
10
10
31341 Just One Swap   11 174 27.83
11
12
32086 The Permutation Game Again   11 152 43.09
10
13
32199 Ada and Cherry   11 150 35.72
14
22
32257 Apoorv and Math problem   11 137 15.64
29
16
33777 NT Games   11 75 41.75
20
22
34377 Digit Subsequence   11 244 36.21
7
11
34923 Hack the Password   11 378 21.99
12
8
34945 Euler Puzzle   11 131 39.72
8
17
35295 zig-zag on the golden river   11 120 22.77
9
15
36531 Empanadas   11 74 53.38
4
11
40083 Just Primes   11 106 29.11
15
17
16 Sphere in a tetrahedron   12 3479 56.49
11
16
132 Help R2-D2!   12 757 29.50
19
16
243 Stable Marriage Problem   12 1528 40.53
19
22
704 Remove The String   12 597 14.92
17
27
1713 Funny scales   12 560 30.45
17
16
2150 Counting Subsequences   12 1023 29.49
8
13
2826 Round-Robin Scheduling   12 642 36.37
23
22
3752 JEDNAKOST   12 595 18.40
23
21
3969 M&M Game   12 1288 42.10
4
17
4168 Square-free integers   12 607 43.82
13
19
4191 Sky Code   12 596 26.86
19
26
4672 Yanu in Movie theatre   12 1676 45.12
2
27
7188 Escape from Jail   12 618 30.90
18
23
7757 Flowers Flourish from France   12 3141 52.97
7
2
9034 Help Tohu   12 2275 45.20
5
23

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