list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
5084 Discrete Math Problem   6 280 31.46
15
24
5196 Monotonous numbers   6 609 47.80
4
34
5301 Query Problem   6 662 37.24
13
21
5467 Finding password   6 182 17.08
26
34
5609 Knight Moves   6 98 40.36
9
20
5640 Fractions on Tree   6 918 61.77
14
21
6172 OAE   6 1152 41.77
11
27
6187 Jane and Tarzan   6 212 24.48
17
26
6340 ZUMA   6 435 43.27
17
34
6826 Hacking   6 126 13.87
21
26
6830 Soccer Bets   6 1596 51.11
8
9
7191 Hexagonal Board   6 541 62.11
12
9
7488 LCM GCD Love   6 183 19.09
17
13
7826 Tree Isomorphism   6 510 22.35
21
26
7864 Four Chips (Hard)   6 131 30.02
31
17
7875 Miles and kilometers   6 602 46.79
9
9
8106 Normalized Form   6 274 36.52
17
17
8222 Substrings   6 1225 29.27
23
26
8284 Weighted Sum   6 508 17.80
9
13
8349 BRODOVI   6 607 43.97
21
17
8372 Triple Sums   6 339 25.94
21
27
8505 Nacci Fear   6 317 40.29
24
21
8598 Traverse through the board   6 647 54.31
10
11
8747 Substrings II   6 145 10.58
34
30
9569 Sum of Pairwise Products   6 826 31.36
4
12
9842 Yet Another Fancy Game   6 236 22.91
7
32
9964 Fibonacci vs Polynomial   6 126 40.67
24
34
10186 Divisor Digits   6 1279 30.87
8
12
10334 SOLDIERS   6 745 28.42
9
4
10415 Dracula   6 140 21.71
20
22
10596 Monkey and apples   6 162 17.43
30
17
10730 Michel and the championship   6 115 11.26
9
9
11695 A Summatory (HARD)   6 94 30.18
31
29
11933 DIAGONAL   6 943 24.26
12
12
12244 Natalia Has Another Problem   6 108 46.20
17
14
13041 The Black Riders   6 190 39.80
17
34
13046 The Glittering Caves of Aglarond   6 913 34.83
5
12
13076 Slikar   6 220 31.82
17
10
13363 WIND VANE   6 391 31.39
17
17
13881 FUN WITH LETTERS   6 231 29.42
13
26
15149 play with prime numbers (III)(hard )   6 28 50.53
34
28
15190 MAXIMUM RARITY   6 84 33.23
28
34
15728 The Sierpinski Fractal   6 111 26.84
13
9
16046 Help Professor   6 396 47.25
8
15
16063 Hackers   6 57 23.48
48
48
16244 Kusac   6 400 35.90
14
21
16248 Clones   6 579 44.11
3
4
16778 Sir and the Guitar   6 146 54.55
4
5
17150 Palin Square   6 110 31.61
21
30
18243 Maggu and Strings   6 593 33.11
4
1

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