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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
13096 Amr Samir   5 921 31.21
9
10
25779 Cinema Conundrum   11 124 35.90
10
10
6772 Happy Coins   14 2457 55.25
3
10
1162 Tic-Tac-Toe ( II )   8 2411 30.37
17
10
7975 Tri graphs   87 4871 29.13
11
10
11931 AMZ Word   12 1709 64.77
9
10
13399 Rachu   8 1051 33.69
8
10
21461 Field   7 281 37.99
12
10
22553 Stack Overflow   5 136 26.56
12
10
23516 One day with string   10 238 36.45
7
10
28604 Sinha and Eggs   6 555 36.95
5
10
28632 Ghost Town   11 292 41.12
23
10
29363 How many can you sort?   11 84 48.00
10
10
10401 Aliens at the train   85 4483 29.26
13
10
9494 Just Add It   76 6466 46.86
11
10
237 Sums in a Triangle   -13 3593 42.51
28
10
18532 Tree _order   41 1245 47.28
15
10
1870 Making Labels   -2 1700 59.54
2
10
15783 Coder Express 3!!   46 1276 47.77
9
10
1419 A Game with Numbers   118 12077 61.48
3
10
15650 Dark roads   27 1575 36.53
10
10
1436 Is it a tree   339 21156 35.31
10
10
7588 Wise And Miser   70 5522 67.30
8
10
245 Square Root   4 597 13.24
20
10
1031 Up Subsequence   2 734 32.60
15
10
1285 Continuous Fractions Again   5 376 41.86
15
10
3374 Scavenger Hunt   10 1375 50.52
9
10
13076 Slikar   6 233 31.96
17
10
15849 Find the Treasure   11 696 23.72
12
10
18240 GENIE SEQUENCE   21 1561 42.18
8
10
36537 Koala Fan   8 50 25.36
13
10
14930 Princess Farida   274 12258 26.80
7
10
34377 Digit Subsequence   11 257 35.92
7
11
8132 Street Trees   33 3081 47.00
6
11
3923 Philosophers Stone   310 12869 43.54
10
11
36667 Solution to all the problems   13 155 21.42
15
11
1161 Tic-Tac-Toe ( I )   20 3385 22.86
12
11
18714 Can You Make It Empty 2   15 1324 29.23
8
11
12323 Minimum Knight moves !!!   133 8722 42.65
15
11
2906 GCD2   60 6869 36.48
12
11
11772 Negative Score   67 3451 34.17
10
11
9032 Cube Free Numbers   66 4167 31.77
12
11
1003 Little Quilt   3 171 39.89
21
11
2128 K-In-A-Row   6 446 33.76
17
11
6477 Bowling   3 526 28.74
8
11
7405 Delicious Pancakes   1 736 27.06
11
11
7668 Pebble Solver   15 2009 50.46
8
11
7947 Almost square factorisation   5 123 52.29
8
11
8596 Wood, Axe and Grass   4 520 57.84
17
11
11601 With a Pit of Death   3 523 28.78
8
11

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