list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
7264 Digital LED Number   7 544 28.34
14
4
7422 Escape from Jail Again   7 437 42.11
30
32
7741 Sequence   7 807 30.26
11
23
7976 Sum the Square   7 555 26.17
12
15
8495 Maximum Subset of Array   7 732 27.86
19
17
8796 Cubist Artwork   7 648 68.39
7
9
8916 Villages by the River   7 271 23.78
13
20
8917 How Many Plusses   7 176 31.90
11
14
9569 Sum of Pairwise Products   7 834 31.39
6
13
9570 Counting binary strings   7 338 53.04
17
24
10050 Power Tower City   7 126 68.09
26
29
10145 Birthday Cake   7 255 36.41
12
12
10334 SOLDIERS   7 750 28.51
8
8
10522 K12-OE Numbers   7 232 49.44
21
21
10575 The Yellow Brick Road   7 1276 49.47
8
5
11895 DONALDO   7 511 24.89
11
13
12363 Red And Green   7 252 39.80
8
14
12407 Johnny The Gambler   7 953 20.63
8
6
12462 Boggle Scoring   7 538 48.00
5
5
12734 Seating Arrangement   7 159 60.43
6
15
13469 FOREVER ALONE   7 91 39.43
24
24
13523 Card Meets (medium)   7 54 32.49
17
21
13626 Charu and Coin Distribution   7 414 41.04
10
20
13768 An Experiment by Penny   7 603 59.56
8
14
13913 Real Mangoes for Ranjith   7 1931 41.87
3
8
15558 Let us play with strings   7 315 38.87
20
17
15563 Check the string Powers   7 488 28.86
17
17
15566 Coprime Again   7 67 26.40
27
34
17626 Eat all the brownies !   7 1620 42.68
5
21
18530 Font Size   7 201 13.55
15
5
19174 Khairy and Gold Alloys   7 144 47.02
11
11
19561 New Binary   7 295 42.68
13
26
19786 Mr Toothless and His GCD Operation   7 384 30.62
6
9
19795 Psycho34 (easy)   7 55 22.27
27
17
20173 Counting Divisors (square)   7 449 21.95
29
38
20174 Counting Divisors (cube)   7 375 35.23
21
42
20673 Count The Indexes   7 243 29.21
17
30
20977 Car Game   7 40 37.89
15
17
21169 Balanced base-3   7 512 52.05
9
7
21332 Pigeonhole Tower   7 1751 35.71
4
6
21461 Field   7 273 37.47
12
10
21526 Rotating Cube   7 112 52.16
15
6
22366 Badminton Tournament - Easy   7 211 35.46
26
20
23507 Retrovirus   7 90 36.57
15
13
25024 Nth Prime   7 103 17.75
34
39
25334 Eefun Guessing Words   7 357 23.11
14
7
25383 New Lottery Game   7 49 19.46
17
15
25844 Find the max XOR value   7 625 58.95
6
16
26108 Trending GCD   7 137 36.52
20
39
26308 Get higher and higher   7 101 34.78
13
24

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