list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1805 Largest Rectangle in a Histogram   225 8100 27.66
18
23
1027 Fool the Police   25 1637 26.97
18
23
32946 Ada and Branches   17 304 35.57
18
19
10738 Ra-One Numbers   35 1534 33.81
18
22
12933 n-divisors   59 2290 19.29
18
17
24689 Fibo and non fibo   10 308 32.64
18
18
14834 Foxlings   34 1148 28.58
18
12
26914 Collecting Mango   17 728 18.97
18
23
3643 Traffic Network   89 2092 18.29
18
21
7188 Escape from Jail   12 618 30.90
18
23
3436 Histogram   44 1493 44.55
19
22
61 Brackets   175 5402 24.43
19
20
243 Stable Marriage Problem   12 1532 40.55
19
22
962 Intergalactic Map   2 564 23.41
19
28
3387 Changing Maze   13 615 29.54
19
9
16776 Modems   13 204 30.56
19
15
3943 Nested Dolls   29 1220 23.65
19
26
3871 GCD Extreme   79 2568 29.35
19
26
12563 Halt The War   8 384 29.45
19
19
11391 EASY MATH   25 1312 20.01
19
17
8001 Fibonacci Sum   178 6784 27.70
19
19
8980 Cost   46 1154 29.38
19
26
25 Pouring water   100 5368 24.18
19
22
1700 Traveling by Stagecoach   9 452 38.26
19
17
3724 Rainbow Ride   8 477 36.12
19
19
4191 Sky Code   12 614 27.25
19
26
8495 Maximum Subset of Array   7 729 27.80
19
17
8725 Closest Point Pair   31 1860 20.20
19
21
9493 Advanced Fruits   92 2230 37.42
19
16
10111 Nonnegative Partial Sums   13 508 29.78
19
17
25891 Peculiar Number   14 232 41.98
19
16
6470 Finding the Kth Prime   48 7251 27.29
19
14
18284 Petya and the Road Repairs   59 875 23.99
19
22
2817 Distinct Increasing Subsequences   8 783 24.53
19
26
3195 Doors and Penguins   9 238 27.22
19
16
7683 Powered and Squared   8 710 27.13
19
16
15655 Product of factorials   20 1319 23.44
19
19
23237 Feast Coins   11 101 41.52
19
17
25179 Kaos   9 269 41.25
19
25
27369 Gupta ji Birthday !!   9 122 32.07
19
19
33372 Lannister Army   12 344 20.72
19
29
54 Julka   163 22979 27.46
19
6
279 Interesting number   26 815 24.08
19
24
18425 Polynomial Multiplication   47 1537 39.20
19
23
3866 Finding Palindromes   7 243 19.41
19
23
6286 Sum of products   10 364 36.43
19
28
8547 Euclids algorithm revisited   27 1389 22.99
19
22
22329 Chicks   8 94 38.39
19
19
26345 PATHETIC STRINGS   7 70 25.30
19
19
28451 Ada and Cities   10 140 26.42
19
17

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