list of classical problems

ID NAME CODE USERS ACC %
26176    HARRY POTTER AND THE FORBIDDEN FOREST HPFORF 87 27.56
16046    Help Professor HPPROF 402 47.67
17258    Yungom HPREFIX 21 38.27
7733    Happy Numbers I HPYNOS 9403 53.36
7753    Happy Numbers II HPYNOSII 651 15.95
9042    HQNP Incomputable HQNP 48 33.33
32857    Angry Siam HRSIAM 62 34.21
4186    Break a New RSA system HS08CODE 138 34.12
4188    Amazing equality HS08EQ 43 14.08
4166    Four colors HS08FOUR 104 22.01
4164    A conjecture of Paul Erdős HS08PAUL 2693 43.78
4784    Diophantine equation HS09EQ 155 40.59
4761    Strategy game HS09GAME 44 55.64
4785    Starship HS09SHIP 16 31.25
7946    Check Ramsey HS10RMSY 13 19.48
7947    Almost square factorisation HS10SQFT 123 52.29
12240    Multinomial numbers HS12MULT 19 39.29
12241    Classification from Erdős and Selfridge HS12PRIM 32 19.60
5511    Heavy Sequences HSEQ 84 18.41
31430    Highschool Homework HSHW 52 21.49
1028    Hubulullu HUBULLU 8257 58.72
9515    Dwarven Sniper´s Hunting HUNT1 18 39.34
34254    Huseyn and his game HUSGAME 111 29.39
15328    Hunter x Hunter HXH 74 13.42
27196    Study Room IAPCR2C 444 52.32
27195    Find The Number IAPCR2D 217 37.66
27198    Ballons Revisited IAPCR2E 99 21.33
27194    Summer Trip IAPCR2F 221 23.98
34575    A New Task for Ibrahim IBIGAME 39 52.48
36860    Epidemic Control IBONEC 36 58.59
1784    IOICamp Sequence ICAMPSEQ 325 12.80
25311    Candies ICANDIES 1096 35.86
16297    Sir and The ICC Ratings ICC 28 22.67
26773    Secret Key ICCSECRET 38 56.94
205    Icerink ICERINK 8 12.22
15270    A plus B ICKAPLSB 12 5.53
15336    Hello Intercal! ICKHELLO 169 58.90
1881    Instruction Decoder ICODER 668 50.81
13404    The Encrypted Password ICPC12C 168 36.28
2179    ICPC Scoreboard ICPCS 180 29.76
18302    Identity crisis IDC1948 223 28.37
31756    The Idol IDO 18 19.83
16607    Sweets IE1 176 32.92
16636    Journey IE2 59 26.42
16639    Endless Knight IE4 57 25.82
18393    Hamiltonian Cycles IE5 27 17.67
11175    The Ball Game IEEEBGAM 2291 44.10
5159    Island Explorer IEXPOLRE 37 15.74
31897    If Chain IFCHAIN 27 46.53
11952    Intergalactic Highways IGALAXY 152 29.08
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