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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
15382 Factorial (Again!)   4 33.33
50
1
21354 String Problem   4 28 33.33
26
26
25452 Teaching Hazard   11 33.33
26306 Pointers   26 33.33
28459 Grumpy uncle   3 41 33.33
26
26
18202 HUGE GCD   17 687 33.32
14
13
227 Ordering the Soldiers   22 1478 33.31
21
23
18243 Maggu and Strings   6 600 33.30
4
1
7025 Roads in Berland   1 135 33.29
17
34
4549 Adding Sevens   19 1934 33.29
17
6
17399 G Force   17 370 33.25
10
15
3978 Distance Query   71 1953 33.23
24
21
6690 A - Comparison Expressions   57 33.22
4318 Catch Fish   11 508 33.21
21
26
21083 Lexicographically Smallest   14 250 33.20
16
17
2059 Robotic Sort   5 740 33.19
28
26
23132 Travelling cost   39 1645 33.19
10
8
1 Life, the Universe, and Everything   304 223480 33.18
4
3
10507 Cheese-rolling World Cup   57 33.18
32245 Apoorv and Maximum Inversion   21 150 33.15
22
24
6219 Edit distance   306 13254 33.14
12
18
28286 Archery Training   7 182 33.13
6
13
38331 Comet Number   7 89 33.12
7
15
32949 Ada and Digits 2   5 78 33.12
30
30
403 Sort fractions   6 714 33.12
9
21
26745 Grid   16 672 33.11
13
9
21671 Jumppy and the Grid   4 63 33.10
21
21
14856 Crazy Shopkeeper   2 620 33.09
17
8
27942 Product it again   6 149 33.08
24
20
26788 Tiho Brdo   4 34 33.06
17
23
332 Hard Question   106 33.05
1
34
8663 Squares Game   34 33.05
13990 Web islands   18 586 33.05
15
16
153 Balancing the Stone   2 329 33.03
17
23
3005 Subdividing a Land   28 33.02
16956 Encoded Coordinates   1 27 33.02
17
34
57 Supernumbers in a permutation   22 1110 33.01
17
19
9534 Turn on the lights   1 73 33.00
1
34
11906 Rescue On Time   -1 26 33.00
34
17
21635 Beautiful Mountains   1 21 32.99
17
34
7685 Flowers   4 352 32.98
13
26
9535 Turn on the lights 2   2 23 32.97
26
26
42340 Bracket Check   4 262 32.97
3
1
1706 Queens, Knights and Pawns   4 854 32.96
17
9
2172 Ballroom Lights   1 35 32.94
34
17
734 Ivan and his interesting game   232 32.93
17
17
15851 Permutations   1 18 32.93
17
17
16607 Sweets   3 176 32.92
26
34
2058 Reaux! Sham! Beaux!   4 664 32.90
23
6
741 Steady Cow Assignment   5 534 32.90
20
29

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