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https://github.com/irmen/prog8.git
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153 lines
3.2 KiB
Python
153 lines
3.2 KiB
Python
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def in_word_set(string: str) -> bool:
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length = len(string)
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wordlist = [
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"PHP",
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"ROR",
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"STP",
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"RTS",
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"RTI",
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"TXS",
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"PHY",
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"TRB",
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"EOR",
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"STY",
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"PHX",
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"TSB",
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"TAY",
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"STX",
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"BRK",
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"LSR",
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"TAX",
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"TSX",
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"PHA",
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"PLP",
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"BRA",
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"STA",
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"ROL",
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"BCS",
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"SEI",
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"TXA",
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"LDY",
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"PLY",
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"INY",
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"LDX",
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"PLX",
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"NOP",
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"INX",
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"CLI",
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"ASL",
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"SBC",
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"BMI",
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"LDA",
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"PLA",
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"ORA",
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"BNE",
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"ADC",
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"BBS7",
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"BBR7",
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"CMP",
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"CPY",
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"INC",
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"SEC",
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"BCC",
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"CPX",
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"BPL",
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"DEY",
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"TYA",
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"CLV",
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"DEX",
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"CLC",
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"BBS6",
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"BBR6",
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"BBS5",
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"BBR5",
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"SMB7",
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"RMB7",
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"STZ",
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"SED",
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"BBS4",
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"BBR4",
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"DEC",
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"BBS3",
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"BBR3",
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"BBS2",
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"BBR2",
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"AND",
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"CLD",
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"BBS1",
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"BBR1",
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"BEQ",
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"SMB6",
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"RMB6",
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"SMB5",
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"RMB5",
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"BBS0",
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"BBR0",
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"BVS",
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"WAI",
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"SMB4",
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"RMB4",
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"JSR",
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"SMB3",
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"RMB3",
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"SMB2",
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"RMB2",
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"BIT",
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"SMB1",
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"RMB1",
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"SMB0",
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"RMB0",
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"BVC",
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"JMP"
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]
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lookup = [
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-1, 0, -1, 1, 2, 3, -1, 4, 5, 6, 7, 8, 9, 10,
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11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
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25, 26, 27, -1, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
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38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, -1, 50,
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51, 52, -1, 53, 54, 55, -1, 56, 57, 58, 59, -1, 60, 61,
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62, 63, 64, 65, 66, 67, 68, 69, 70, 71, -1, 72, 73, 74,
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75, 76, 77, 78, 79, 80, 81, 82, -1, 83, 84, 85, 86, 87,
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88, 89, 90, 91, -1, -1, 92, 93, -1, -1, -1, -1, -1, 94,
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95, -1, -1, -1, -1, 96, -1, -1, -1, -1, -1, -1, -1, 97
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]
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asso_values = [
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126, 126, 126, 126, 126, 126, 126, 126, 126, 126,
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126, 126, 126, 126, 126, 126, 126, 126, 126, 126,
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126, 126, 126, 126, 126, 126, 126, 126, 126, 126,
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126, 126, 126, 126, 126, 126, 126, 126, 126, 126,
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126, 126, 126, 126, 126, 126, 126, 126, 73, 66,
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61, 59, 56, 49, 47, 30, 126, 126, 126, 126,
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126, 126, 126, 126, 126, 10, 3, 13, 23, 9,
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25, 126, 126, 1, 90, 7, 12, 22, 35, 23,
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0, 28, 1, 0, 4, 4, 12, 88, 6, 4,
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33, 126, 126, 126, 126, 126, 126, 126, 126, 126,
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126, 126, 126, 126, 126, 126, 126, 126, 126, 126,
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126, 126, 126, 126, 126, 126, 126, 126, 126, 126,
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126, 126, 126, 126, 126, 126, 126, 126, 126
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]
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print(len(lookup))
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print(len(asso_values))
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def hash(string: str, length: len) -> int:
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return asso_values[ord(string[2])] + \
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asso_values[ord(string[1])+1] + \
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asso_values[ord(string[0])] + \
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asso_values[ord(string[length - 1])]
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MAX_HASH_VALUE = 125
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if 3<=length<=4:
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key = hash(string, length)
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if key <= MAX_HASH_VALUE:
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index = lookup[key]
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if index>=0:
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word = wordlist[index]
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return word==string
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return False
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