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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4681 Twice   5 285 21.15
24
27
4988 Madrids One Way Streets   5 199 28.87
15
15
5240 Area of a Garden   5 1698 47.14
4
9
5465 Deliver pizza   5 406 22.89
21
15
5466 Electronic queue   5 163 37.81
13
21
5979 Yet Another Permutations Problem   5 1358 49.52
7
15
6988 Beer Machines   5 33 18.44
43
37
7002 Buildings   5 80 37.76
21
30
7019 Zig-Zag rabbit   5 594 36.87
22
19
7035 The Embarrassed Cryptographer   5 353 32.11
13
13
7210 Draw Mountains   5 334 44.21
17
6
7231 Homework   5 225 21.50
17
26
7232 Inversion Sort   5 167 16.37
32
23
7296 Trees Again   5 165 49.74
21
30
7363 Tree Sum   5 181 36.56
42
45
7380 Factorial challenge   5 343 31.57
14
26
7600 Milk Trading   5 184 30.29
1
28
7947 Almost square factorisation   5 122 52.29
8
11
7973 Sometimes, a penalty is good!   5 1205 29.56
6
8
8591 Prime Permutations   5 110 30.93
28
23
9587 The Prime conjecture   5 573 34.46
9
9
9644 Imperialism   5 174 30.69
8
14
10270 Temperature   5 256 34.41
21
21
10466 Enough of analyzing, let’s play   5 260 45.58
17
23
10515 K12-Combinations   5 413 28.02
5
17
10547 Delivery Route   5 56 19.27
34
34
10570 Longest Common Substring   5 885 29.99
31
32
10711 VUK   5 186 53.11
20
23
10802 Sum of Tetranacci numbers   5 306 38.90
27
21
10931 Online Bridge Searching   5 105 34.42
34
34
11103 PrimeFactorofLCM   5 595 25.75
17
17
11321 G-One Sort   5 779 37.68
13
17
11472 Amazing Maze   5 261 28.96
17
26
11477 Meeting For Party   5 485 28.03
17
12
12012 grace marks   5 227 22.96
21
21
12030 Blackout   5 376 44.50
20
15
12241 Classification from ErdÅ‘s and Selfridge   5 31 19.33
28
28
12304 Smallest Inverse Sum of Divisors   5 96 27.18
17
24
12714 Fatawy   5 146 25.52
14
4
12726 XOR Game   5 540 43.96
11
13
12746 Colorful Circle (EASY)   5 483 21.00
28
23
12943 Counting   5 81 44.73
8
30
13096 Amr Samir   5 919 31.20
9
10
13105 DNA   5 690 33.55
11
24
13405 MayanCalendar   5 125 55.48
8
8
13838 Mosty! Find Gn   5 563 49.84
9
24
14175 Power Factor Sum Sum (hard)   5 40 34.40
26
26
14823 Advanced Battleships   5 51 13.59
23
23
14977 Attack of the Bloons   5 369 45.69
9
9
15143 play with prime numbers (I)   5 34 17.63
23
23

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