Question

How to print Floyd's triangle in Rust

Answer 1

// Floyd's triangle is a right-angled triangular of natural numbers

fn main() {
    let rows = 7;
    let mut n = 1;

    for i in 1..=rows {
        for _j in 1..=i {
            print!("{} ", n);
            n += 1;
        }
        println!();
    }
}

  
/*
run:
  
1 
2 3 
4 5 6 
7 8 9 10 
11 12 13 14 15 
16 17 18 19 20 21 
22 23 24 25 26 27 28 
  
*/

 

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