list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
16909 Critical Edges   47 1780 28.67
14
15
3505 Prime Number Theorem   25 1525 28.06
14
13
18149 Rama and Friends   10 989 28.52
14
12
34736 Beautiful Girl   7 145 41.54
14
12
5295 Adjacent Bit Counts   86 3619 65.30
14
18
1437 Longest path in a tree   406 19472 39.13
14
15
63 Square Brackets   92 3854 56.84
14
18
526 Divisors   38 1694 43.59
14
13
14742 Building Bridges(HARD)   10 446 23.92
14
17
25178 Elegant Permuted Sum   8 136 35.32
14
21
25334 Eefun Guessing Words   7 348 22.97
14
7
25854 Palindrome Or Not   10 320 16.16
14
9
27487 Police Men   10 265 43.21
14
14
27497 Binary Protean Number   5 141 45.52
14
15
95 Street Parade   318 18268 29.02
14
11
1163 Java vs C ++   17 5510 22.86
14
5
4177 Herding   57 2709 35.23
14
15
4580 ABCDEF   218 7819 29.22
14
16
154 Sweet and Sour Rock   80 3411 51.26
14
17
19274 Operators   17 589 20.19
14
20
400 To and Fro   90 23323 55.54
14
7
666 Con-Junctions   32 988 40.69
14
19
5978 Frequent Prime Ranges   10 698 29.30
14
14
18202 HUGE GCD   17 675 33.16
14
13
20172 Divisiblity by 3   11 583 30.55
14
10
26777 Mr. Ant & His Problem   12 240 34.65
14
15
11814 Eko   171 15456 26.58
13
13
368 Cobbled streets   98 5389 50.80
13
12
365 Phidias   25 1211 47.20
13
21
22461 Smallest Number   34 761 27.45
13
15
40 Lifting the Stone   6 1612 23.56
13
16
390 Billiard   2 888 54.31
13
17
660 Dungeon of Death   14 1341 42.81
13
26
1000 Equidivisions   -1 644 23.37
13
13
1001 Babylonian Roulette   1 657 50.10
13
13
3639 Lucky Numbers   7 729 34.10
13
9
3753 GONDOR   4 380 53.04
13
13
3932 Point Connection Game in a Circle   3 749 35.37
13
21
4168 Square-free integers   13 659 44.57
13
19
4908 Run-Length Mathematics   6 718 41.07
13
1
5969 Finding Maximum   3 103 30.45
13
23
7035 The Embarrassed Cryptographer   5 338 31.61
13
13
7101 Charly And Nito   4 307 36.89
13
17
8424 Life Game   4 154 52.91
13
5
9103 Special Numbers   8 753 30.04
13
13
10240 Circleland   4 710 31.77
13
17
10328 TRIVIADOR   3 171 31.22
13
17
10649 Mirror Number   5 176 21.53
13
30
11178 Save money for YTU   2 129 43.90
13
13
12714 Fatawy   4 144 25.38
13
5

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