list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4483 Roads Repair   7 182 32.65
20
23
4485 MobiZone vs VinaGone   7 332 33.65
17
31
5091 Feline Olympics - Mouseball   7 599 39.34
7
15
5107 Playing with Marbles   7 793 23.66
12
8
5301 Query Problem   7 692 37.39
16
22
6172 OAE   7 1227 42.11
12
26
6187 Jane and Tarzan   7 217 24.50
15
22
6290 Robbery 2   7 806 32.90
17
13
6517 Farmer Sepp   7 339 22.00
28
26
6828 Lineup   7 700 32.03
11
9
7132 Headshot   7 1405 37.39
8
14
7264 Digital LED Number   7 550 28.21
14
4
7422 Escape from Jail Again   7 450 42.23
30
32
7741 Sequence   7 810 30.31
11
23
7976 Sum the Square   7 557 26.15
12
15
8222 Substrings   7 1305 29.95
24
27
8495 Maximum Subset of Array   7 734 27.88
19
17
8796 Cubist Artwork   7 653 68.44
7
9
8916 Villages by the River   7 274 24.10
13
20
8917 How Many Plusses   7 181 31.29
11
14
9569 Sum of Pairwise Products   7 839 31.45
6
13
9570 Counting binary strings   7 340 53.21
17
24
10050 Power Tower City   7 132 67.40
26
29
10145 Birthday Cake   7 258 36.18
12
12
10334 SOLDIERS   7 753 28.50
8
8
10522 K12-OE Numbers   7 234 49.81
21
21
10575 The Yellow Brick Road   7 1279 49.50
8
5
11895 DONALDO   7 514 24.82
11
13
12363 Red And Green   7 255 39.94
8
14
12407 Johnny The Gambler   7 961 20.69
8
6
12462 Boggle Scoring   7 541 48.16
5
5
12734 Seating Arrangement   7 164 60.42
6
15
13469 FOREVER ALONE   7 92 38.89
24
24
13523 Card Meets (medium)   7 55 29.32
17
21
13626 Charu and Coin Distribution   7 416 41.20
10
20
13913 Real Mangoes for Ranjith   7 1934 41.74
3
8
15558 Let us play with strings   7 317 38.13
20
17
15563 Check the string Powers   7 491 29.00
17
17
15566 Coprime Again   7 70 26.42
27
34
17626 Eat all the brownies !   7 1665 41.97
5
21
18530 Font Size   7 203 13.68
15
5
19174 Khairy and Gold Alloys   7 145 47.33
11
11
19561 New Binary   7 297 42.67
13
26
19786 Mr Toothless and His GCD Operation   7 390 30.69
6
9
19795 Psycho34 (easy)   7 57 22.40
27
17
20174 Counting Divisors (cube)   7 392 35.45
21
42
20673 Count The Indexes   7 248 29.28
17
30
20977 Car Game   7 44 31.86
15
17
20986 Hypertubes   7 50 43.72
20
22
21169 Balanced base-3   7 515 52.25
9
7

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