list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3436 Histogram   44 1512 44.32
19
22
17617 WHAT A CO-ACCIDENT   9 1495 60.66
2
11
15437 Tambourine   9 1492 49.92
6
2
10968 LUCIFER Number   43 1489 64.24
21
22
13769 Roommate Agreement   52 1473 31.22
11
16
7208 Black or White   58 1472 42.27
16
19
15650 Dark roads   27 1467 36.17
10
10
227 Ordering the Soldiers   22 1465 33.20
21
23
13707 SHAHBAG   9 1458 39.15
4
5
1538 Making Jumps   11 1450 38.90
16
15
870 Basically Speaking   7 1440 43.80
6
6
10620 KNJIGE   28 1440 44.32
5
18
10264 Meteors   43 1439 28.13
26
30
10416 Van Helsings gun   3 1433 54.23
6
13
7386 Activities   62 1431 25.53
16
19
3944 Bee Walk   18 1430 56.32
11
15
28308 Ada and Spring Cleaning   53 1426 19.73
18
17
15208 Minimum Cost   16 1425 57.41
9
11
10285 Why this kolaveri di   21 1421 53.14
12
21
15086 Land Acquisition   38 1420 29.00
24
30
1391 Summing to a Square Prime   16 1419 54.07
12
17
10366 Play with Dates   9 1418 38.58
16
6
25131 Largest Odd Divisor   17 1418 33.40
6
7
8547 Euclids algorithm revisited   27 1413 22.92
19
22
110 Fill the Cisterns   29 1410 31.33
21
20
13015 Counting Primes   33 1404 22.14
16
14
8057 Square Free Factorization   16 1403 41.39
7
15
10381 Search in the dictionary!   34 1402 25.99
17
11
18937 Touch of Venom   21 1401 23.25
11
13
7132 Headshot   7 1395 37.25
8
14
338 Roads   37 1391 23.94
17
22
4201 Coder Ratings   26 1390 35.87
15
18
3868 Total Flow   11 1387 36.19
14
13
17112 Training Land of Fury   18 1383 47.83
9
9
11391 EASY MATH   25 1378 20.07
19
17
17 The Bytelandian Cryptographer (Act I)   9 1368 41.78
15
26
3861 Laser Phones   31 1368 28.67
20
18
10712 Easy Calculation   16 1368 35.83
10
14
3374 Scavenger Hunt   10 1367 50.38
9
10
26607 CODER FIRST PROBLEM   34 1366 56.62
6
7
3407 Candy   31 1361 42.57
12
20
7586 Number of Palindromes   9 1359 46.24
13
13
5979 Yet Another Permutations Problem   5 1353 49.46
7
15
660 Dungeon of Death   14 1349 42.93
13
26
26315 Crazy Smoker   24 1345 35.28
4
9
8995 CANDY   9 1338 38.33
8
6
5970 Finding Primes   22 1335 27.89
16
15
18201 RK Sorting   20 1333 38.16
21
12
15655 Product of factorials   20 1325 23.43
19
19
18714 Can You Make It Empty 2   15 1320 29.18
8
11

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