list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
25179 Kaos   9 282 40.67
19
25
27369 Gupta ji Birthday !!   9 128 32.68
19
19
100 Tower of Babylon   45 3108 50.62
19
21
8547 Euclids algorithm revisited   28 1474 22.86
19
23
6470 Finding the Kth Prime   48 7869 27.24
19
14
18284 Petya and the Road Repairs   60 892 24.02
19
22
3724 Rainbow Ride   9 497 36.16
19
19
4191 Sky Code   13 778 29.59
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
25 Pouring water   100 5583 24.42
19
22
9493 Advanced Fruits   93 2263 37.52
19
16
18425 Polynomial Multiplication   47 1751 39.40
19
22
8001 Fibonacci Sum   182 6995 27.96
19
19
10111 Nonnegative Partial Sums   15 534 30.05
19
19
12563 Halt The War   8 401 29.64
19
19
61 Brackets   178 5548 24.47
19
20
243 Stable Marriage Problem   12 1567 40.71
19
22
704 Remove The String   13 663 15.28
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   13 222 30.35
19
15
3436 Histogram   44 1546 44.27
19
22
7188 Escape from Jail   12 629 30.98
18
23
28288 Super Amoeba   11 204 37.34
18
16
28308 Ada and Spring Cleaning   54 1608 20.76
18
17
3643 Traffic Network   89 2120 18.30
18
21
1296 4 values whose sum is 0   64 5121 24.92
18
14
8980 Cost   48 1264 29.19
18
26
26914 Collecting Mango   17 743 18.76
18
23
8725 Closest Point Pair   30 2065 20.75
18
21
11401 Bazinga!   18 744 22.69
18
19
14834 Foxlings   34 1306 29.56
18
12
423 Assignments   244 4838 33.69
18
22
24689 Fibo and non fibo   10 317 32.65
18
18
12933 n-divisors   60 2340 19.39
18
17
10738 Ra-One Numbers   36 1700 33.49
18
22
1027 Fool the Police   25 1655 27.09
18
23
1805 Largest Rectangle in a Histogram   229 8760 28.42
18
23
32946 Ada and Branches   19 345 36.39
18
19
130 Rent your airplane and make money   88 3387 28.64
18
17
17247 Digit Sum   54 3885 37.91
18
22
1710 Two Ends   115 3790 41.56
18
17
181 Scuba diver   99 3911 26.08
18
18
22455 SUM OF PRODUCT   35 1081 17.71
18
21
18297 Problem4   24 541 32.38
18
20
51 Fake tournament   43 1819 26.96
18
19
5977 Weird Function   33 1155 18.97
18
16

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