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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
15769 Enjoy Adding GP to Series   2 63 26.67
28
34
15827 Vending Machine   2 36 8.81
6
17
15864 SUMMING   2 10 8.45
17
26
15867 Great Warrior   2 128 66.67
13
13
15914 Update Sub-Matrix & Query Sub-Matrix   2 97 36.11
23
28
16102 Can you play carrom !!!   2 213 21.58
15
12
16177 Hashcodes and primes   2 25 44.44
17
17
16208 Challenge Accepted   2 24 21.34
17
17
16243 Anagrams   2 260 25.34
17
12
16250 Dilemma   2 80 52.84
12
17
16267 Real Numbers   2 172 17.97
26
26
16275 On the side of the road   2 85 21.63
34
26
16381 Help Vishnu with his points   2 20 49.12
34
17
16483 Lucky Cities   2 37 18.72
17
26
16556 Triangle   2 60 48.11
17
17
16580 Query on a tree VII   2 282 18.27
42
42
16809 Estimation   2 174 10.09
30
17
17128 Putnik   2 101 48.67
9
17
17143 Make Psycho   2 227 25.00
34
9
17267 Alturas de NoMeAcuerdo   2 80 63.36
17
14
17443 Magical Bus Journey   2 62 31.52
9
9
17714 Gopu and function   2 234 37.24
12
12
17821 My Name is UMMM!   2 32 22.16
17
9
17946 Mickey Mouse Magic Trick v6   2 42 31.18
9
26
18056 Robert Langdon & Cipher   2 567 50.57
1
13
18102 New year love story   2 83 26.67
34
34
18248 Maggu’s Solar Panels   2 50 32.03
34
34
18249 Gopu and the Grid Problem   2 78 33.78
12
26
18286 Gopu and Fishes   2 108 47.40
13
26
18302 Identity crisis   2 223 28.37
17
17
18666 Radiation   2 36 20.00
17
34
18857 Gopi and Sandwich   2 285 44.23
17
26
18915 Anils Proposal   2 31 18.90
50
50
18940 Face the mate   2 161 20.93
17
17
19125 Hexadecimal value of Pi   2 36 58.04
26
34
19149 Virus Revisited   2 94 28.65
1
17
19320 Draw Skyline Graph   2 109 20.02
31
26
19334 Khaolin Temple   2 24 27.22
26
26
19382 Stock   2 99 32.39
26
34
19490 Pair and unpair weightest string   2 84 47.33
9
17
19899 Middle Earth   2 51 12.24
26
17
19985 GCD Extreme (hard)   2 358 36.57
26
34
20931 Square-Free Product (Hard)   2 65 36.36
17
21
20984 Music Academy   2 73 48.24
1
9
20987 Sequence   2 31 24.85
9
17
21061 Yet Another Subset Sum Problem   2 48 34.44
50
50
21187 Increasing Shortest Path   2 34 20.25
26
34
21458 Satay Skewer   2 84 28.09
34
17
21462 Final Assignment   2 59 25.18
9
1
21640 Nested Palindromes   2 28 17.99
38
38

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