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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
8980 Cost   48 1264 29.19
18
26
12319 hai jolly jolly jolly   3 1273 33.95
9
9
15783 Coder Express 3!!   46 1276 47.77
9
10
10575 The Yellow Brick Road   7 1280 49.52
8
5
15438 Valences   11 1281 41.62
4
7
18174 REAL ROOTS   15 1287 60.04
6
12
10186 Divisor Digits   6 1290 30.93
8
12
13875 Knifes Are Fun   11 1304 43.43
3
7
14834 Foxlings   34 1306 29.56
18
12
14 I-Keyboard   8 1311 42.74
24
21
3184 Game of Lines   8 1315 27.76
14
9
3928 Counting Digits   7 1317 46.69
22
26
3969 M&M Game   12 1321 42.35
4
17
18714 Can You Make It Empty 2   15 1324 29.23
8
11
8222 Substrings   7 1325 30.13
24
27
35 Equipment Box   6 1329 14.46
8
21
6285 Another Game With Numbers   32 1333 31.23
11
13
277 City Game   16 1337 39.36
20
21
5970 Finding Primes   22 1345 27.95
16
15
15655 Product of factorials   20 1346 23.50
19
19
8995 CANDY   9 1347 38.35
8
6
1754 Divisor Summation (Hard)   32 1349 15.68
22
20
26315 Crazy Smoker   24 1353 35.30
4
9
15285 Defend The Rohan   23 1354 43.33
6
10
660 Dungeon of Death   14 1355 42.80
13
26
5979 Yet Another Permutations Problem   5 1358 49.53
7
15
18185 Give Away   34 1361 22.50
20
19
235 Very Fast Multiplication   25 1362 28.09
25
21
4487 Can you answer these queries VI   27 1366 23.62
34
28
3407 Candy   31 1371 42.66
12
20
3374 Scavenger Hunt   10 1375 50.52
9
10
10712 Easy Calculation   16 1377 35.93
10
14
26607 CODER FIRST PROBLEM   34 1378 56.53
6
7
18201 RK Sorting   20 1382 38.78
21
12
17 The Bytelandian Cryptographer (Act I)   9 1391 41.45
15
26
17112 Training Land of Fury   18 1391 47.65
9
9
4201 Coder Ratings   26 1397 35.83
15
18
338 Roads   37 1398 23.96
17
22
3868 Total Flow   11 1398 36.29
14
13
18937 Touch of Venom   21 1406 23.29
11
13
7132 Headshot   7 1407 37.40
8
14
3861 Laser Phones   31 1420 28.89
20
18
110 Fill the Cisterns   29 1425 31.42
21
20
7586 Number of Palindromes   9 1426 46.68
13
13
1391 Summing to a Square Prime   16 1429 53.97
12
17
10285 Why this kolaveri di   21 1430 53.20
12
21
3944 Bee Walk   19 1434 56.39
12
15
10366 Play with Dates   9 1434 38.73
16
6
10381 Search in the dictionary!   34 1437 26.14
17
11
25131 Largest Odd Divisor   17 1438 33.60
6
7

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