list of classical problems

ID NAME CODE USERS ACC %
22270    Periodic function, trip 2 PERIOD2 38 44.65
22269    Periodic function, trip 1 PERIOD1 19 29.33
263    Period PERIOD 3063 40.09
7249    Perfume PERFUME 115 16.00
36861    Yet Another Perfect Square Equation PERFSQNUM 61 31.97
9260    Perfect Road PERFECTR 16 20.37
12721    Pell (Mid pelling) PELL2 45 33.83
16556    Triangle PEGS 60 48.11
7668    Pebble Solver PEBBLE 2009 50.46
2853    Decode the Strings PDECODE 432 39.64
42488    Minesweeper PCSKREAB 49 29.84
42487    The 3n + 1 problem PCSKREAA 71 27.59
13096    Amr Samir PCPC12J 921 31.21
13095    peaks PCPC12I 80 32.28
13094    Beggars PCPC12H 48 27.62
13093    Mosque PCPC12G 49 39.05
13092    Snakes and Ladders Again PCPC12F 90 15.04
13091    Snakes and Ladders PCPC12E 113 17.95
13090    New Strategy PCPC12D 145 33.53
20872    Counting Pairwise Coprime Triples PCOPTRIP 50 52.45
25891    Peculiar Number PCLNMBR 237 41.69
7402    Repair Depots PC8H 14 43.90
7599    Optimal Strategy for the ICPC PC8F 10 21.15
7589    Cave Crisis PC8C 13 54.84
7250    Blocks for kids PBOARD 102 40.56
6052    PBCGAME PBCGAME 85 27.45
12824    Print Big Binary Numbers PBBN2 6 29.59
967    Parking Bay PB 565 48.93
123    Paying in Byteland PAYING 479 46.72
19490    Pair and unpair weightest string PAUWS 84 47.33
22675    A conjecture of Paul ErdÅ‘s (hard) PAUL2 5 5.81
5652    Snow White and the N dwarfs PATULJCI 1031 18.12
8896    Pattern Matching PATT 32 26.58
26705    Path Game PATHGAME 92 54.31
3591    Patting Heads PATHEADS 659 35.33
13895    Party Time PARTYTIM 2 14.29
2898    Party of Cloaked Killers PARTY2 28 16.23
97    Party Schedule PARTY 8960 36.24
1325    Partial Sums PARTSUM 226 24.81
8325    Partitioning the plane PARTPLNE 42 42.17
428    Particular Palindromes PARTPALI 503 32.26
6957    Partial Palindrome PARTPAL 3 5.00
137    Partition PARTIT 789 36.73
10111    Nonnegative Partial Sums PARSUMS 534 30.05
3376    Parking Lot PARKINGL 143 20.40
8374    PARKET PARKET1 1854 56.20
3577    Parity PARITY 83 19.98
10463    COUNT PAREN PAREN 194 60.61
15257    Partition function (HARD) PARCARD2 7 3.18
15256    Partition function (EASY) PARCARD1 103 39.65
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