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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
26193 Lost and survived   46 823 35.22
16
12
9569 Sum of Pairwise Products   6 826 31.36
4
12
6042 Another Box Problem   10 830 49.87
6
17
8496 No Squares Numbers   18 831 34.76
19
15
1706 Queens, Knights and Pawns   4 833 33.09
17
9
4235 Wandering Queen   25 833 15.17
23
19
899 Ws Cipher   6 837 38.33
14
15
3587 Prime Again   11 837 16.23
20
15
32944 Ada and Friends   13 840 38.77
10
7
8351 KOSARK   8 841 42.62
12
5
9652 Robots on a grid   21 843 19.49
17
13
30669 Ada and Trip   34 844 30.24
14
11
16554 Linearian Colony   12 845 42.72
11
12
7487 Flibonakki   15 849 29.57
21
28
1787 Run Length Encoding   7 855 19.61
15
4
7897 Skyline   11 855 32.44
13
27
9050 Tohu again   2 855 29.19
17
12
12245 Natalia Plays a Game   11 856 44.05
12
13
687 Repeats   1 859 25.26
34
42
1871 Making A Budget   15 865 48.45
13
15
18598 Encode Message   13 866 63.53
11
5
116 Intervals   5 873 22.25
21
24
207 Three-coloring of binary trees   16 873 35.92
20
17
35276 Smallest on the Stack   20 874 15.24
10
13
18284 Petya and the Road Repairs   59 875 24.01
19
22
6450 PP numbers   10 877 41.73
10
6
703 Mobile Service   6 880 21.21
24
28
390 Billiard   2 886 54.38
13
17
12262 Mirror Strings !!!   9 889 33.08
16
17
344 Poker   3 891 37.48
17
9
13805 X-MEN   16 892 27.53
17
19
7423 File Recover Testing   17 895 35.32
7
11
17113 Finding the Tesserect   13 897 37.12
11
16
530 Divisors 2   10 900 52.41
14
17
15995 Self Numbers   16 900 38.28
12
6
2742 Summing Sums   17 901 19.21
16
23
3605 Minimum Rotations   14 904 19.01
14
20
12183 Help the Commander in Chief   46 905 28.99
15
16
21615 Playing with GCD   21 905 34.94
12
14
1677 Halloween treats   6 908 39.96
17
22
11604 The return of the Cake   2 908 27.68
1
6
3411 Pole Position   2 910 47.49
8
8
13643 BATMAN3   9 910 41.61
11
12
13046 The Glittering Caves of Aglarond   6 911 34.85
5
12
13096 Amr Samir   5 913 31.02
9
10
9973 Problem Set Score   4 914 39.50
12
17
4565 What is your Logo   3 916 45.94
1
13
8422 Maximum Profit   4 916 52.97
9
6
1681 Cylinder   2 918 38.29
9
26
5640 Fractions on Tree   6 918 61.77
14
21

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