27 lines
595 B
Rust
27 lines
595 B
Rust
mod common;
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use common::{read_file, Result};
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fn main() -> Result<()> {
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let entries = read_file()?;
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let mut skip_inner = 0;
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for outer in &entries {
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let mut skip_innermost = 0;
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for inner in entries.iter().skip(skip_inner) {
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for innermost in entries.iter().skip(skip_innermost) {
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if outer + inner + innermost == 2020 {
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println!("{}", outer * inner * innermost);
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return Ok(());
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}
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}
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skip_innermost += 1;
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}
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skip_inner += 1;
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}
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Ok(())
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}
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