list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
10738 Ra-One Numbers   36 1700 33.49
18
22
12933 n-divisors   60 2340 19.39
18
17
24689 Fibo and non fibo   10 317 32.65
18
18
423 Assignments   244 4838 33.69
18
22
8725 Closest Point Pair   30 2063 20.75
18
21
11401 Bazinga!   18 744 22.69
18
19
14834 Foxlings   34 1306 29.56
18
12
26914 Collecting Mango   17 743 18.76
18
23
8980 Cost   48 1264 29.19
18
26
1296 4 values whose sum is 0   64 5121 24.92
18
14
3643 Traffic Network   89 2120 18.30
18
21
28308 Ada and Spring Cleaning   54 1608 20.76
18
17
7188 Escape from Jail   12 629 30.98
18
23
28288 Super Amoeba   11 204 37.34
18
16
3436 Histogram   44 1546 44.27
19
22
243 Stable Marriage Problem   12 1567 40.71
19
22
704 Remove The String   13 663 15.29
19
27
962 Intergalactic Map   2 569 23.41
19
28
3387 Changing Maze   13 626 29.79
19
9
10818 Medium Factorization   24 1902 14.63
19
14
16776 Modems   13 221 30.34
19
15
61 Brackets   178 5548 24.47
19
20
10111 Nonnegative Partial Sums   15 534 30.05
19
19
12563 Halt The War   8 401 29.64
19
19
8001 Fibonacci Sum   182 6995 27.96
19
19
18425 Polynomial Multiplication   47 1751 39.40
19
22
25 Pouring water   100 5581 24.42
19
22
9493 Advanced Fruits   93 2263 37.52
19
16
3724 Rainbow Ride   9 497 36.16
19
19
4191 Sky Code   13 777 29.60
19
26
7826 Tree Isomorphism   10 621 23.64
19
27
8495 Maximum Subset of Array   7 735 27.80
19
17
25891 Peculiar Number   14 237 41.69
19
16
6470 Finding the Kth Prime   48 7869 27.24
19
14
18284 Petya and the Road Repairs   60 892 24.02
19
22
100 Tower of Babylon   45 3108 50.62
19
21
8547 Euclids algorithm revisited   28 1474 22.86
19
23
3195 Doors and Penguins   9 244 27.35
19
16
6286 Sum of products   11 387 36.75
19
28
7683 Powered and Squared   8 717 27.21
19
16
15655 Product of factorials   20 1346 23.50
19
19
23237 Feast Coins   11 105 41.93
19
17
25179 Kaos   9 282 40.67
19
25
27369 Gupta ji Birthday !!   9 128 32.68
19
19
54 Julka   165 23427 27.55
19
6
279 Interesting number   26 846 24.21
19
24
132 Help R2-D2!   13 771 29.70
19
17
3866 Finding Palindromes   7 257 19.62
19
23
14846 Bribe the Prisoners   10 411 32.09
19
21
22329 Chicks   8 98 38.70
19
19

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