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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
15215 David and his Obsession   5 429 41.23
12
9
15631 On the Plus Side   4 43 32.26
12
17
15849 Find the Treasure   11 696 23.72
12
10
16250 Dilemma   2 80 52.84
12
17
16279 Escaping from escaping   4 172 29.37
12
23
17714 Gopu and function   2 234 37.24
12
12
17955 Lalith Dosa   9 428 26.24
12
23
18249 Gopu and the Grid Problem   2 78 33.78
12
26
22531 Yo Yo Jagdish Singh   5 115 44.29
12
12
22553 Stack Overflow   5 136 26.56
12
10
23772 Zamena   3 57 29.93
12
17
25158 Star   15 314 34.60
12
19
25182 Acceptable numbers   2 64 16.24
12
23
25867 Divisible Fibonacci Numbers   5 210 25.85
12
12
25924 Cricket Selection   1 80 25.62
12
26
26799 Counter-Smack   3 63 20.65
12
23
30692 Ada and Rain II   3 123 51.60
12
23
31234 Stressful Activities   2 71 41.00
12
1
33059 Ada and Palaces   1 204 66.42
12
32
34025 Palindrome Maker   5 83 58.22
12
17
34616 Taming the Dragon   2 102 32.64
12
17
34864 Large Sum   8 236 18.39
12
12
34923 Hack the Password   11 431 22.82
12
8
35145 Love Guru   5 118 23.11
12
12
36441 Funny Prime Factorization   5 72 3.79
12
9
36533 Gentleman s Wallet   9 58 42.05
12
16
37922 See you again?   3 60 23.15
12
12
4 Transform the Expression   258 44375 49.47
12
11
6219 Edit distance   306 13254 33.14
12
18
10394 Buying Apples!   73 5617 34.86
12
14
11372 Blueberries   62 2251 33.64
12
13
1688 A Very Easy Problem!   40 6172 49.09
12
11
8756 Shake Shake Shaky   51 2457 23.88
12
14
1021 Aibohphobia   310 10728 36.22
12
17
9820 Through the troops   29 2059 44.44
12
11
11404 Save Thy Toys   70 2830 30.19
12
15
372 The Benefactor   49 3099 35.38
12
13
665 String it out   22 1221 38.84
12
15
8545 Subset sum   45 1943 40.12
12
16
1391 Summing to a Square Prime   16 1429 53.97
12
17
3033 Help the soldier   18 1253 29.00
12
14
2416 Distinct Subsequences   94 3783 36.34
12
22
10145 Birthday Cake   7 260 36.32
12
12
4031 Mass of Molecule   29 2611 48.18
12
9
9722 Insertion Sort   28 4078 31.43
12
12
1161 Tic-Tac-Toe ( I )   20 3385 22.86
12
11
7897 Skyline   13 949 32.61
12
27
15995 Self Numbers   16 904 38.32
12
6
9032 Cube Free Numbers   66 4167 31.77
12
11
3377 A Bug’s Life   343 15927 27.72
12
13

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