16 lines
509 B
Rust
16 lines
509 B
Rust
use std::env;
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fn main() {
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let mut args = env::args().skip(1).flat_map(|num| num.parse());
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let rows = args.next().expect("Expected number of rows as first argument");
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let cols = args.next().expect("Expected number of columns as second argument");
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assert_ne!(rows, 0, "rows were zero");
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assert_ne!(cols, 0, "cols were zero");
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// Creates a vector of vectors with all elements initialized to 0.
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let mut v = vec![vec![0; cols]; rows];
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v[0][0] = 1;
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println!("{}", v[0][0]);
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}
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