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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3863 Area of circles   1 304 29.64
34
34
3876 Tablica   1 205 59.13
3881 Majstor   1 731 53.87
4
4
3889 Closest Number   1 192 30.08
34
26
3899 Finding Fractions   1 166 29.25
17
34
3912 Color a tree   1 215 26.93
17
34
3915 Star Polygon or Not   1 38 55.06
17
17
3930 Group Partition   1 69 30.00
34
34
3980 Point Visible   1 49 32.22
34
50
4000 GALLUP   1 64 44.44
17
34
4166 Four colors   1 100 21.88
50
50
4172 Multiplicative digital root   1 73 25.40
4186 Break a New RSA system   1 136 35.61
4195 GCD Determinant   1 267 45.53
1
34
4203 Double Queue   1 76 42.86
17
17
4204 Showstopper   1 83 21.90
17
34
4306 The way to Bytemountain   1 29 41.25
34
34
4354 Snowflakes   1 822 25.12
9
21
4409 Circle vs Triangle   1 59 19.77
4412 Factorization, Factorization, Factorization   1 52 41.28
4415 Power of Integer   1 269 21.86
17
26
4416 Jumping Hands   1 207 66.67
17
17
4458 Rainbow   1 34 19.46
17
34
4551 Match Maker   1 61 22.40
4568 Rotating Rings   1 288 29.48
17
17
4585 Star Wars   1 74 35.09
4593 Arithmetic sequence   1 64 9.47
34
17
4644 Proving Equivalences   1 194 28.33
17
17
4656 Cross Mountain Climb   1 60 32.74
17
34
4658 Help Hemant Verma   1 49 14.77
9
17
4666 Wireless   1 125 36.41
17
17
4669 Cross Mountain Climb Extreme   1 32 22.91
34
50
4871 Bridge   1 154 24.16
1
34
4951 Bridges! More bridges!   1 46 16.42
1
34
5010 Lost in Madrid   1 189 31.15
1
1
5093 Pretty Functions   1 39 24.21
5128 Bomb the Bridge   1 38 28.57
17
17
5142 A Pair of Graphs   1 68 54.35
17
17
5148 Get-Together at Stockholm   1 49 45.13
1
17
5150 Junk-Mail Filter   1 119 20.54
5157 Game Simulator   1 17 4.57
50
17
5197 Differential Diagnosis   1 57 23.72
5317 Tetravex Puzzle   1 279 46.06
17
9
5541 Sequoiadendron   1 62 45.22
17
17
5638 Mobile Service Hard   1 82 22.67
50
50
5830 Alternating Permutations   1 57 38.46
34
34
5902 Tri   1 77 20.54
34
50
5911 Square-free Integers Factorization   1 20 39.51
17
34
6044 Minimum Diameter Circle   1 437 27.45
34
42
6170 Homecoming   1 27 30.28
17
34

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