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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
15560 Help the old King   15 511 37.47
15
15
15766 Enjoy Sum with Operations   15 357 27.27
20
26
17110 Black Widow Rings   15 2712 52.14
3
3
17918 Gopu and Validity of Arrangement   15 1653 43.29
3
6
18174 REAL ROOTS   15 1261 60.57
6
12
18176 FRIENDSHIP!!!   15 628 26.97
15
20
18273 Encode Integer   15 786 25.30
8
7
18714 Can You Make It Empty 2   15 1316 29.18
8
11
18965 Milk Scheduling   15 969 24.60
10
15
21347 Tulip And Numbers   15 961 22.72
14
14
25158 Star   15 309 34.37
12
19
26212 Keyur and Mohib Tree   15 213 40.30
8
12
26771 Almost Prime Numbers Again   15 259 18.59
25
20
28609 Boat Burglary   15 115 14.36
23
25
30454 Luke vs. Darth Vader   15 219 22.16
16
15
32058 Harbinger vs Sciencepal   15 163 34.45
17
21
32059 Ada and Taxes   15 102 37.25
23
22
32103 Degree of a Tree   15 215 29.53
13
12
32840 Ada and Digits   15 168 41.87
20
18
36199 Subset with all Digits   15 208 32.27
16
20
29 Hash it!   14 3571 24.19
14
8
264 Corporative Network   14 588 24.86
17
19
377 Taxi   14 1235 28.41
13
16
660 Dungeon of Death   14 1340 42.88
13
26
1798 Assistance Required   14 2337 45.26
16
7
1812 Longest Common Substring II   14 1811 17.71
29
29
3605 Minimum Rotations   14 904 19.01
14
20
4350 Giá trị lớn nhất 3   14 408 23.19
28
19
4480 Chaos Strings   14 526 29.97
17
22
5161 Factorial vs Power   14 1113 26.18
13
15
5972 Maximum Sum Sequences   14 1140 20.64
15
18
5980 Matrix Game   14 943 29.33
8
20
6556 N DIV PHI_N   14 733 37.95
5
26
6772 Happy Coins   14 2407 55.51
3
10
7190 Guess the Number   14 2216 33.32
4
9
8406 Temple Queues   14 288 19.63
31
33
11175 The Ball Game   14 2277 44.17
2
11
11560 A Summatory   14 1618 25.91
5
4
11676 Counting diff-pairs   14 183 22.67
24
26
14888 Good Predictions   14 1012 41.90
5
10
15620 Postering   14 565 32.13
17
21
24258 Fata7y Ya Warda!   14 140 34.07
20
17
25309 Save Area 11   14 122 30.47
4
7
25891 Peculiar Number   14 232 41.98
19
16
28265 Ada and Rain   14 394 54.61
10
14
28303 Ada and Plants   14 304 33.04
15
16
28598 Beautiful Factorial Game   14 193 29.74
17
17
32951 Ada and Substring   14 365 35.19
20
21
34254 Huseyn and his game   14 109 29.05
6
31
34610 Sharmeen Loves Mozahid Loves Sharmeen [ HARD ]   14 160 41.30
6
6

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