public int DebugProgram(string[] input)
{
for (var i = 0; i < input.Length; i++)
{
var program = ConsoleVM.ParseInput(input);
if (program[i].Instruction != "nop" && program[i].Instruction != "jmp")
{
continue;
}
program[i] = SwapCmd(program[i]);
var result = ConsoleVM
.ImportProgram(program)
.RunProgram();
if (result.Status == ConsoleVM.HaltStatus.InfiniteLoopDetected)
{
continue;
}
return(result.Accumulator);
}
throw new Exception("Unable to fix program.");
(string, int) SwapCmd((string, int) instruction) =>
instruction switch
{
("jmp", int v) => ("nop", v),
("nop", int v) => ("jmp", v),
var i => i
};
public void ExampleOne() =>
ConsoleVM
.ImportProgram(new[]
{
"nop +0",
"acc +1",
"jmp +4",
"acc +3",
"jmp -3",
"acc -99",
"acc +1",
"jmp -4",
"acc +6"
})
.RunProgram()
.Accumulator
.Should()
.Be(5);
public void PartOne() =>
Output
.WriteLine($"Accumulator without repetition: {ConsoleVM.ImportProgram(Input).RunProgram().Accumulator}");