29 lines
820 B
Rust
29 lines
820 B
Rust
use crate::tasks::day05::IntCodeComputer;
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use itertools::Itertools;
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#[allow(dead_code)]
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pub fn run() {
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let prog_code: Vec<_> = std::fs::read_to_string("input/day07.txt")
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.unwrap()
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.split(",")
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.map(|s| s.parse::<i32>().unwrap())
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.collect();
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task1(prog_code.clone());
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}
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fn task1(input: Vec<i32>) {
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let phases = vec![0, 1, 2, 3, 4];
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let result = phases
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.iter()
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.permutations(phases.len())
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.map(|perm| {
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perm.iter().fold(0, |signal, phase| {
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let mut computer = IntCodeComputer::new(vec![**phase, signal], input.clone());
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computer.run_until_end();
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*computer.get_output().last().unwrap()
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})
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})
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.max();
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println!("Task 1: best signal is {}", result.unwrap());
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}
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