29 lines
763 B
Rust
29 lines
763 B
Rust
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use std::collections::VecDeque;
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pub fn can_fit(weights: &[usize], bags: usize) -> bool {
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bags >= min_bags(&mut VecDeque::from(weights.to_vec()), 0)
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}
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fn min_bags(weights: &mut VecDeque<usize>, current_weight: usize) -> usize {
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if weights.is_empty() {
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return if current_weight > 0 { 1 } else { 0 };
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}
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let mut min = usize::MAX;
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for _ in 0..weights.len() {
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let w = match weights.pop_front() {
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Some(x) => x,
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None => panic!("At the disco"),
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};
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if current_weight + w > 10 {
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min = std::cmp::min(min, min_bags(weights, w)) + 1;
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} else {
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min = std::cmp::min(min, min_bags(weights, current_weight + w));
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}
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weights.push_back(w);
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}
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min
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}
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