list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
18530 Font Size   7 207 13.87
15
5
10945 Foodie Golu   63 28.36
1027 Fool the Police   25 1655 27.09
18
23
87 Football   1 67 19.69
17
1
16207 Football Fever   1 78 44.16
17
17
13002 For Loops Challenge   2 282 38.12
34
17
12561 Forbidden Machine   55 21.77
2855 Forest   62 12.68
13469 FOREVER ALONE   7 95 39.58
24
24
27096 Forever Young   1 33 23.81
9086 Formula 3D   6 9.86
18521 Fortunate Wheels   7 34.78
484 Fossil in the Ice   453 22.40
34
17
7864 Four Chips (Hard)   6 167 30.35
31
17
4166 Four colors   2 104 22.01
42
42
8574 Four in a row   2 23 17.12
26
17
5373 Four Mines   14 6.25
14972 Foxhole   2 235 32.67
9
9
14975 Foxic Expressions   2 87 15.24
34
34
14974 Foxling Feeding Frenzy   15 466 41.90
15
16
14834 Foxlings   34 1306 29.56
18
12
21171 Fractal domino   18 53.52
31235 Fractals   7 61 44.04
14
8
1788 Fractan   50 30.63
17
17
5640 Fractions on Tree   6 930 61.30
14
21
5673 Fractions on Tree ( reloaded !)   2 248 38.33
26
34
944 Free Tour   19 3.72
34
17
1825 Free tour II   1 571 14.29
26
34
5978 Frequent Prime Ranges   10 718 28.82
14
14
1684 Frequent values   112 3997 27.66
20
21
15267 FRIEND CIRCLE   28 1442 28.43
13
11
28352 Friend Zoned   17 291 63.72
6
12
8104 Friendly Knights   151 45.76
10440 Friends   38 20.42
9788 Friends of Friends   67 7149 63.27
7
5
36532 Friendship   4 22 34.04
34
17
18176 FRIENDSHIP!!!   16 631 26.94
15
21
32468 Frog Party   4 69 27.38
21
21
4528 Frog Wrestling   69 37.50
3999 FROGGER   3 104 26.72
28
23
23536 Front   5 163 26.00
10
15
9940 Fruit Ninja   41 27.73
21672 Frustrated CR and His Class   3 43 27.69
17
17
8846 Fudan Extracurricular Lives   7 25.00
35283 Full Sleigh   6 21 22.64
17
21
8421 Fun With Inequalities   144 37.89
17
17
13881 FUN WITH LETTERS   6 242 28.47
13
26
11300 Fun with numbers   3 303 35.24
12
17
10612 Funny Areas   3 98 33.33
34
34
27248 Funny Modular Sequence   7 84 35.36
15
20

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