16 lines
571 B
Rust
16 lines
571 B
Rust
impl Solution {
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pub fn generate(num_rows: i32) -> Vec<Vec<i32>> {
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let mut rows = vec![vec![1]];
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for row_idx in (1usize..num_rows as usize) {
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// Could do this with .window(2), adding the two elements of each window,
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// but that's a bit fussy in this case I think.
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let mut row = vec![1];
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for idx in (0usize..(rows[row_idx-1].len()-1)) {
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row.push(rows[row_idx-1][idx]+rows[row_idx-1][idx+1]);
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}
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row.push(1);
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rows.push(row);
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}
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rows
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}
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} |