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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
18240 GENIE SEQUENCE   21 1561 42.18
8
10
3436 Histogram   44 1546 44.27
19
22
3505 Prime Number Theorem   25 1538 28.13
14
13
15454 How to Handle the Fans   39 1530 50.54
12
11
11375 Espionage   10 1525 42.28
4
5
15086 Land Acquisition   39 1504 29.48
24
30
17617 WHAT A CO-ACCIDENT   9 1504 60.62
2
11
15437 Tambourine   9 1497 49.95
6
2
13769 Roommate Agreement   52 1493 31.46
11
16
7208 Black or White   58 1482 42.45
16
19
227 Ordering the Soldiers   22 1478 33.31
21
23
15208 Minimum Cost   16 1478 57.34
9
11
13015 Counting Primes   33 1475 22.55
16
14
8547 Euclids algorithm revisited   28 1474 22.86
19
23
13707 SHAHBAG   9 1469 39.21
4
5
1538 Making Jumps   11 1466 38.91
16
15
11391 EASY MATH   27 1461 20.32
19
17
6779 Can you answer these queries VII   21 1452 19.43
38
28
10620 KNJIGE   28 1450 44.45
5
18
870 Basically Speaking   7 1449 43.96
6
6
7386 Activities   62 1447 25.57
16
19
8057 Square Free Factorization   16 1446 41.59
7
15
10416 Van Helsings gun   3 1445 54.45
6
15
15267 FRIEND CIRCLE   28 1442 28.43
13
11
25131 Largest Odd Divisor   17 1438 33.60
6
7
10381 Search in the dictionary!   34 1437 26.14
17
11
3944 Bee Walk   19 1434 56.39
12
15
10366 Play with Dates   9 1434 38.73
16
6
10285 Why this kolaveri di   21 1430 53.20
12
21
1391 Summing to a Square Prime   16 1429 53.97
12
17
7586 Number of Palindromes   9 1426 46.68
13
13
110 Fill the Cisterns   29 1425 31.42
21
20
3861 Laser Phones   31 1420 28.89
20
18
7132 Headshot   7 1407 37.40
8
14
18937 Touch of Venom   21 1406 23.29
11
13
338 Roads   37 1398 23.96
17
22
3868 Total Flow   11 1398 36.29
14
13
4201 Coder Ratings   26 1397 35.83
15
18
17 The Bytelandian Cryptographer (Act I)   9 1391 41.45
15
26
17112 Training Land of Fury   18 1391 47.65
9
9
18201 RK Sorting   20 1382 38.78
21
12
26607 CODER FIRST PROBLEM   34 1378 56.53
6
7
10712 Easy Calculation   16 1377 35.93
10
14
3374 Scavenger Hunt   10 1375 50.52
9
10
3407 Candy   31 1370 42.64
12
20
4487 Can you answer these queries VI   27 1365 23.61
34
28
235 Very Fast Multiplication   25 1362 28.09
25
21
5979 Yet Another Permutations Problem   5 1358 49.53
7
15
660 Dungeon of Death   14 1355 42.80
13
26
15285 Defend The Rohan   23 1354 43.33
6
10

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