diff options
| -rw-r--r-- | 2020/eight.nim | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/2020/eight.nim b/2020/eight.nim index a7b40f2..b923f76 100644 --- a/2020/eight.nim +++ b/2020/eight.nim @@ -1,12 +1,12 @@ # Day Eight: Handheld Halting -import os, strutils, sequtils +import os, strutils, sequtils, sugar let input: string = paramStr(1) var program: seq[tuple[op: string, arg: int]] = map(split(strip(readFile(input)), '\n'), - func (instr: string): (string, int) = return (instr[0..2], parseInt(instr[4..^1]))) + instruction => (instruction[0..2], parseInt(instruction[4..^1]))) -func execute(program: seq[tuple[op: string, arg: int]]): tuple[status: bool, acc: int] = +func execute(program: seq[tuple[op: string, arg: int]]): (bool, int) = var executed = newSeq[bool](len(program)) var i, acc: int = 0 while i < len(program): @@ -26,9 +26,11 @@ func execute(program: seq[tuple[op: string, arg: int]]): tuple[status: bool, acc discard return (true, acc) -echo execute(program).acc +let result: tuple[status: bool, acc: int] = execute(program) +echo result.acc for i, instruction in program: var program = program program[i].op = if program[i].op == "nop": "jmp" else: "nop" - if execute(program).status: echo execute(program).acc + let result: tuple[status: bool, acc: int] = execute(program) + if result.status: echo result.acc |