30 lines
684 B
Rust
30 lines
684 B
Rust
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fn main() {
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let contents = std::fs::read_to_string("input")
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.expect("Failed to read file 'input'");
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let it = contents.split("\n");
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let mut sum: u64 = 0;
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let mut sum2: u64 = 0;
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for val in it {
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if val == "" {
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continue;
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}
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let mut x = val.parse::<u64>().unwrap();
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x /= 3;
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x -= 2;
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sum += x;
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sum2 += x;
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while x > 0 {
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x /= 3;
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if x < 2 {
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x = 0;
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}
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else {
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x -= 2;
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}
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sum2 += x;
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}
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}
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println!("[Part 1] The sum is {}", sum);
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println!("[Part 2] The sum is {}", sum2);
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}
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