list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
10232 Distinct Primes   66 4550 51.82
9
9
7718 Number of common divisors   65 5101 28.69
12
13
3405 Almost Shortest Path   64 1422 32.10
22
21
1112 Number Steps   63 25460 44.20
3
4
8611 Non-Decreasing Digits   63 3392 56.12
8
11
1724 Counting Triangles   61 10325 32.91
7
20
10283 ALL IZZ WELL   61 2912 33.40
18
13
247 Chocolate   60 3277 48.28
10
17
9655 Elevator Trouble   60 2982 31.20
11
12
21357 Crucial Equation   60 3633 42.58
3
10
22403 Divisors of factorial   58 1377 34.16
14
14
78 Marbles   57 6167 33.62
15
13
1296 4 values whose sum is 0   57 4397 26.41
18
13
2148 Candy III   57 16473 24.48
9
5
3921 The Great Ball   57 3674 40.13
7
11
7588 Wise And Miser   57 4499 74.15
7
9
23776 K-Query Online   57 1277 43.36
21
24
9788 Friends of Friends   56 6011 67.15
7
5
11404 Save Thy Toys   56 2536 30.42
11
14
3381 Highways   55 3330 38.74
10
9
3871 GCD Extreme   55 1226 30.25
19
26
5971 LCM Sum   55 1862 26.52
20
29
10509 Cards   55 9819 34.65
3
4
15965 PLAY WITH MATH   55 5548 49.24
3
5
1028 Hubulullu   54 7123 59.31
2
14
2939 Query on a tree V   54 1055 34.28
28
29
6294 Yodaness Level   54 2840 52.12
14
16
12150 Just Next !!!   54 4751 24.32
10
10
9494 Just Add It   53 4057 50.68
11
10
4177 Herding   52 2457 37.13
13
15
8238 N-Factorful   52 1751 28.36
17
17
11772 Negative Score   52 2804 36.25
9
10
14956 Submerging Islands   52 1489 46.29
12
12
18167 SubXor   52 1090 34.36
26
29
22776 Balika Vadhu and Alok Nath   52 926 33.94
15
19
2530 Tiling a Grid With Dominoes   51 1971 69.18
15
23
2713 Can you answer these queries IV   51 1689 21.78
22
20
138 Election Posters   50 1832 26.78
19
21
3883 LATGACH3   50 2747 61.98
11
20
9734 Hacking the random number generator   50 4532 39.47
6
6
18155 abs(a-b) I   50 3641 48.85
4
9
3878 Rectangles Perimeter   49 2475 49.64
10
13
4452 Simple Arithmetics II   49 6871 42.05
10
5
4564 Chop Ahoy! Revisited!   49 2745 51.46
12
14
9032 Cube Free Numbers   49 3460 34.76
13
12
11354 Amusing numbers   49 3075 59.99
13
15
11516 VALIDATE THE MAZE   49 2245 34.30
10
8
12933 n-divisors   49 1739 20.90
18
17
1108 Card Trick   48 1721 49.60
22
24
1837 Pie   48 2661 36.39
17
16

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