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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
10230 Robbing Gringotts   53 10.96
18056 Robert Langdon & Cipher   2 563 50.46
1
13
18050 Robert Langdon & Class Attendance   1 39 25.31
17
17
18094 Robert Langdon & Florence   1 175 64.69
28
23
18153 Robert Langdon & The Rule of Three   3 35 34.59
23
34
3463 Robintron   6 22.22
25048 Robot   4 76 24.62
17
26
1463 Robot Number M   75 48.55
40016 Robot World   2 64 11.10
34
34
2059 Robotic Sort   5 659 32.27
28
26
9652 Robots on a grid   21 853 19.48
17
13
6356 Rock-Paper-Scissors-Lizard-Spock   2 171 41.42
12
23
202 Rockets   -1 56 12.18
34
34
20775 Roger and tree   22 329 27.89
17
22
22561 Roger and tree III   5 25 11.34
27
27
398 Roll Playing Games   118 14.30
34
17
11986 ROMAN NUMERALS   1 142 33.40
9
9
3305 Roman Patrollers   46 59.46
1961 Roman Roads   1 97 30.58
9
17
7486 Rooks   4 226 28.49
9
13
13545 Room Change   1 140 37.70
17
17
13769 Roommate Agreement   52 1467 31.22
11
16
2147 Root of a Linear Equation   59 8.47
34
17
19153 Rooted Trees   1 40 21.43
481 Roots of polynomial   37 24.90
17
34
18510 Ross generates Data   4 97 17.60
34
26
4275 rotate it   40 55.70
21526 Rotating Cube   7 112 52.16
15
6
4568 Rotating Rings   1 288 29.48
17
17
8869 Roti Prata   62 7037 39.59
15
17
3372 Round Table   1 57 45.00
11873 Round Trip   8 9.57
2826 Round-Robin Scheduling   12 643 36.38
23
22
10077 Routing   15 38.64
1678 Royal Treasury   70 11.71
31884 RPS Warfare   1 21 33.66
17
17
10422 Rubiks cube   2 56 49.68
17
17
34 Run Away   2 483 21.79
26
34
1787 Run Length Encoding   7 857 19.62
15
4
17504 Run length encoding   12 1021 38.98
8
4
10421 Run, Snipe, Run   73 30.00
4908 Run-Length Mathematics   6 718 41.07
13
1
30347 Runner Game   5 210 30.31
6
21
15376 Running Median   15 1135 26.17
11
9
16254 Running Median Again   41 1698 22.33
20
16
21175 Rush hour   142 41.47
30893 Sabbir and Game   14 781 34.32
5
8
30919 Sabbir and gcd problem   17 309 22.14
16
16
30947 Sabbir and gifts   21 354 31.96
16
13
21834 Sadde and His City   3 45 24.22
28
23

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