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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
87 Football   1 58 21.57
17
1
15621 Tie the Rope   4 88 21.56
17
14
28163 OR   11 126 21.56
20
20
11844 Binary Sequence of Prime Number   5 220 21.55
34
28
8667 Board-Queries   1 47 21.54
17
17
16210 Impossible Boss   10 178 21.54
21
22
7231 Homework   5 222 21.54
17
26
25481 Game of stones II   2 38 21.52
17
17
1452 Birthday Cake   62 21.52
35088 A Complex Cone   2 51 21.50
9
34
16389 Play with Strings   1 40 21.49
17
34
12324 Tiles   3 95 21.48
21
30
10091 Three-sided Dice   27 21.48
16793 Statistics Applied   2 206 21.46
22
17
35028 Long Tiling   6 40 21.45
21
21
293 Officers on the Beat   11 21.43
2660 Example   1 12 21.43
17
17
4459 Muzidabutur   4 21.43
5649 Divide Polygon   3 31 21.43
9
34
19153 Rooted Trees   1 40 21.43
36266 Nahid The Reporter   1 9 21.43
1
1
6906 Raining Parabolas   2 251 21.41
26
26
11244 GP - Complete the Series v1 ()   2 286 21.39
30
17
14894 Good Celebration   3 24 21.39
26
30
15075 A Romantic Dinner Outing   22 21.39
1
1
8896 Pattern Matching   1 25 21.38
17
13
34886 Impress zing   5 87 21.37
24
20
16102 Can you play carrom !!!   2 212 21.36
15
12
32192 SUMMATION   10 453 21.36
7
11
703 Mobile Service   6 892 21.36
24
28
18170 Takeover Wars   1 15 21.36
1
34
8720 Looks like Nim - but it is not   3 90 21.35
6
28
13165 Totient in permutation (easy)   11 277 21.30
17
17
1811 Longest Common Substring   33 3073 21.29
20
18
23969 Helping Jar Jar Binks   5 77 21.28
27
30
35631 Moon Safari (Extreme)   2 9 21.28
42
42
21463 Arithmetic Rectangle   34 21.27
14925 King Graffs Trip   2 24 21.26
34
34
1536 Help Blue Mary Please! (Act III)   29 21.26
12810 Yet Another Multiple Problem   9 262 21.26
21
23
15076 A Romantic Movie Outing   24 21.25
5652 Snow White and the N dwarfs   31 834 21.25
21
31
3362 Setnja   2 241 21.24
9
17
21407 2x2 Subgrid Sum Problem (medium)   17 21.24
6072 Chocolate   153 21.22
17
34
9086 Formula 3D   6 21.21
9525 Cipher   -1 100 21.21
8551 Colours A, B, C, D   39 2152 21.20
10
21
2325 String Distance   210 21.18
7567 Divisor Summation Powered   13 359 21.17
17
23

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