list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3436 Histogram   44 1512 44.38
19
22
15437 Tambourine   9 1492 49.92
6
2
17617 WHAT A CO-ACCIDENT   9 1492 60.85
2
11
10968 LUCIFER Number   43 1478 64.45
21
22
13769 Roommate Agreement   52 1473 31.25
11
16
7208 Black or White   58 1471 42.36
16
19
227 Ordering the Soldiers   21 1462 33.21
21
23
13707 SHAHBAG   9 1458 39.15
4
5
15650 Dark roads   27 1456 36.13
10
10
1538 Making Jumps   11 1449 38.90
16
15
870 Basically Speaking   7 1440 43.80
6
6
10620 KNJIGE   28 1440 44.32
5
18
7386 Activities   62 1431 25.54
16
19
3944 Bee Walk   18 1429 56.31
11
15
10416 Van Helsings gun   3 1428 54.17
6
13
10285 Why this kolaveri di   21 1421 53.14
12
21
15208 Minimum Cost   16 1419 57.48
9
11
10366 Play with Dates   9 1418 38.58
16
6
25131 Largest Odd Divisor   17 1418 33.40
6
7
1391 Summing to a Square Prime   16 1417 54.07
12
17
10264 Meteors   42 1416 28.10
26
31
8547 Euclids algorithm revisited   27 1412 22.92
19
22
110 Fill the Cisterns   29 1409 31.33
21
20
15086 Land Acquisition   38 1407 29.01
24
30
18937 Touch of Venom   21 1400 23.24
11
13
8057 Square Free Factorization   16 1399 41.35
7
15
10381 Search in the dictionary!   34 1399 26.01
17
11
13015 Counting Primes   33 1398 22.10
16
14
28308 Ada and Spring Cleaning   52 1397 19.69
18
17
7132 Headshot   7 1394 37.23
8
14
338 Roads   37 1391 23.95
17
22
4201 Coder Ratings   26 1389 35.94
15
18
3868 Total Flow   11 1387 36.19
14
13
17112 Training Land of Fury   18 1382 47.81
9
9
11391 EASY MATH   25 1371 20.04
19
17
10712 Easy Calculation   16 1368 35.82
10
14
3861 Laser Phones   31 1367 28.66
20
18
17 The Bytelandian Cryptographer (Act I)   9 1366 41.81
15
26
3374 Scavenger Hunt   10 1366 50.36
9
10
26607 CODER FIRST PROBLEM   34 1366 56.51
6
7
3407 Candy   30 1358 42.56
11
19
5979 Yet Another Permutations Problem   5 1353 49.46
7
15
7586 Number of Palindromes   9 1351 46.33
13
13
660 Dungeon of Death   14 1346 42.89
13
26
26315 Crazy Smoker   24 1345 35.28
4
9
8995 CANDY   9 1336 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 1319 29.17
8
11

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