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December 24, 2015 16:28
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def regs = [a:0, b:0] | |
def instr = [ | |
hlf: { params -> | |
def r = params.r/2 | |
def output | |
if(r.remainder(1) == 0) { | |
output = [reg_val:r, jump_to: params.i+=1] | |
} else { | |
output = [reg_val:params.r, jump_to: params.i+=1] | |
} | |
return output | |
}, | |
tpl: { params -> | |
return [reg_val:params.r*=3, jump_to: params.i+=1] | |
}, | |
inc: { params -> | |
return [reg_val:params.r+=1, jump_to: params.i+=1] | |
}, | |
jmp: { params -> | |
def offset = params.r.toInteger() | |
return [jump_to: params.i+offset] | |
}, | |
jie: { params -> | |
def offset = params.i+1 | |
if(params.r.toInteger()%2 == 0) { | |
offset = params.i + params.o.toInteger() | |
} | |
return [reg_val:params.r, jump_to: offset] | |
}, | |
jio: { params -> | |
def offset = params.i+1 | |
if(params.r.toInteger() == 1) { | |
offset = params.i + params.o.toInteger() | |
} | |
return [reg_val:params.r, jump_to: offset] | |
} | |
] | |
def program = new File(args[0]).readLines() | |
def count = 0 | |
for(i = 0; i < program.size();) { | |
def (input_1, input_2, input_3) = program[i].tokenize(" ;,") | |
def rgt = regs[input_2]!= null? regs[input_2]: input_2 | |
def r = instr[input_1]([r:rgt, i:i, o:input_3]) | |
i = r.jump_to | |
if(regs[input_2] != null) { | |
regs[input_2] = r.reg_val | |
} | |
println "${count++}) [${input_1}, ${input_2}] -> ${regs[input_2]}" | |
} | |
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