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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 25.41
17
17
18094 Robert Langdon & Florence   1 175 64.69
28
23
18153 Robert Langdon & The Rule of Three   3 36 35.34
23
34
3463 Robintron   6 22.22
25048 Robot   4 75 24.43
17
26
1463 Robot Number M   75 49.70
40016 Robot World   2 64 11.10
34
34
2059 Robotic Sort   5 635 31.77
28
26
9652 Robots on a grid   21 846 19.50
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   22 328 27.86
17
22
22561 Roger and tree III   5 25 11.34
27
27
398 Roll Playing Games   117 14.15
34
17
11986 ROMAN NUMERALS   1 141 33.27
9
9
3305 Roman Patrollers   45 59.26
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   51 1459 31.16
11
17
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   7 111 51.99
15
6
4568 Rotating Rings   1 288 29.48
17
17
8869 Roti Prata   61 6764 39.87
15
17
3372 Round Table   1 57 45.00
11873 Round Trip   7 8.60
2826 Round-Robin Scheduling   12 642 36.37
23
22
10077 Routing   15 38.64
1678 Royal Treasury   70 11.71
31884 RPS Warfare   1 21 34.00
17
17
10422 Rubiks cube   2 56 49.68
17
17
34 Run Away   2 472 21.95
26
34
1787 Run Length Encoding   7 855 19.60
15
4
17504 Run length encoding   11 1005 38.84
6
2
10421 Run, Snipe, Run   73 30.00
4908 Run-Length Mathematics   6 718 41.07
13
1
30347 Runner Game   5 210 30.42
6
21
15376 Running Median   15 1126 26.18
11
9
16254 Running Median Again   41 1664 22.26
20
16
21175 Rush hour   141 41.77
30893 Sabbir and Game   13 744 33.98
5
7
30919 Sabbir and gcd problem   17 298 22.03
16
16
30947 Sabbir and gifts   21 350 31.85
16
13
21834 Sadde and His City   3 45 24.22
28
23

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