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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
18917 Dukkar and Pikka   5 314 56.48
7
23
22534 Birthday Gift for SJ   4 151 55.45
7
17
27219 Time for Revenge   4 74 32.76
7
17
27303 Count Doubles   3 629 34.48
7
5
33210 Ada and Alley   16 380 37.33
7
14
37388 Balls and Queries   9 60 41.61
7
11
38331 Comet Number   7 89 35.73
7
15
40808 Crowded Music Festival   9 49 49.22
7
13
14930 Princess Farida   274 12254 26.80
7
10
27367 Game of Squares   16 464 40.73
7
9
8611 Non-Decreasing Digits   71 3732 54.84
7
11
8057 Square Free Factorization   16 1446 41.59
7
15
25000 Checking cubes.   4 258 47.71
7
6
34009 Counting Child   18 467 55.71
7
9
2412 Arranging Amplifiers   18 3282 27.22
7
16
23516 One day with string   10 238 36.45
7
10
3921 The Great Ball   60 3950 39.19
7
11
224 Vonny and her dominos   6 692 51.85
8
8
1268 CN Tower (Easy)   3 1123 30.75
8
6
3411 Pole Position   2 920 47.42
8
8
6477 Bowling   3 526 28.74
8
11
7132 Headshot   7 1407 37.40
8
14
7947 Almost square factorisation   5 123 52.29
8
11
8995 CANDY   9 1347 38.35
8
6
9644 Imperialism   5 174 30.69
8
14
10186 Divisor Digits   6 1290 30.93
8
12
11601 With a Pit of Death   3 522 28.85
8
11
12363 Red And Green   7 257 40.14
8
14
12407 Johnny The Gambler   7 963 20.71
8
6
12943 Counting   5 82 46.93
8
30
13399 Rachu   8 1051 33.69
8
10
13405 MayanCalendar   5 125 55.48
8
8
14629 Play with Binary Numbers   4 509 39.37
8
9
16480 Decrypt the message !   3 1046 36.98
8
4
17707 Constructible Regular Polygons   5 511 55.88
8
8
17731 Buying Integers   5 111 40.73
8
11
18714 Can You Make It Empty 2   15 1324 29.23
8
11
19957 GETTING AN AP   5 493 36.88
8
12
27381 Emoticon   27 863 49.84
8
14
34480 Profiling   8 97 28.64
8
8
34536 MultiSort   4 179 21.36
8
4
34682 Good Elements   11 146 29.56
8
6
42487 The 3n + 1 problem   1 69 27.22
8
4
9734 Hacking the random number generator   62 5882 39.02
8
6
7733 Happy Numbers I   89 9403 53.36
8
8
27307 Alternating Sequences   62 2125 32.62
8
9
7430 Tower Of Hanoi - Revisited   13 2144 50.90
8
14
11402 The Indian Connection   19 2298 36.29
8
14
31221 Zen And His Crush   13 415 67.17
8
11
5980 Matrix Game   14 968 29.10
8
20

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