list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
14888 Good Predictions   17 1102 42.50
6
10
32192 SUMMATION   12 590 23.26
6
10
8670 THE MAX LINES   29 8046 36.87
4
10
12880 Sheep   40 2018 46.21
9
10
4560 The Double HeLiX   147 8980 37.55
11
10
8042 Possible Friends   17 1191 37.21
12
10
27234 Sums of 2 and 3   18 973 35.93
5
10
7424 Girls and Boys   91 12347 46.95
4
10
4031 Mass of Molecule   29 2611 48.18
12
9
28306 Ada and Queue   28 2516 26.02
11
9
10676 0110SS   26 1772 41.09
13
9
16482 Make them equal !   22 2130 52.84
3
9
27307 Alternating Sequences   62 2127 32.62
8
9
21357 Crucial Equation   80 6394 38.06
4
9
6 Simple Arithmetics   12 3080 11.98
30
9
71 Tree   3 465 28.80
12
9
82 Easy Problem   4 508 34.70
17
9
84 Shortcut   1 237 31.56
17
9
147 Tautology   2 778 37.37
9
9
179 Word equations   188 21.95
9
9
228 Shamans   144 21.20
9
9
344 Poker   3 900 37.66
17
9
395 Anti-prime Sequences   3 349 47.83
9
9
399 Team Rankings   1 391 53.58
17
9
406 Logic   113 23.37
17
9
408 Jill Rides Again   2 971 34.26
9
9
695 Unite Fast   1 138 27.81
9
9
699 Huge Knap Sack   1 141 25.06
9
9
872 Mark-up   126 30.18
34
9
996 Continuous Fractions   1 279 37.54
9
9
1471 A Game of Pearls   1 45 30.86
17
9
1505 Whac-a-Mole   2 44 15.97
34
9
1698 Polygonal Line Search   1 164 62.75
9
9
1706 Queens, Knights and Pawns   4 854 32.96
17
9
1801 Drink, on Ice   1 522 42.66
9
9
1802 Edge   3 420 59.75
5
9
1873 Accumulate Cargo   2 91 26.79
34
9
2528 Monkey Vines   4 780 43.22
17
9
2832 Find The Determinant III   1 308 20.46
17
9
3184 Game of Lines   8 1315 27.76
14
9
3387 Changing Maze   13 626 29.79
19
9
3394 Lagrange’s Four-Square Theorem   4 532 46.08
1
9
3464 Clock   3 66 36.47
34
9
3639 Lucky Numbers   7 733 34.15
13
9
3940 Sum of Primes   3 237 63.91
9
9
4555 Einbahnstrasse   2 490 26.56
22
9
5240 Area of a Garden   5 1702 47.20
4
9
5530 Math with Bases (Easy)   2 67 24.73
26
9
6731 Coeficientes   2 1261 50.11
10
9
6828 Lineup   7 704 32.08
11
9

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