Question

How to print Floyd's triangle in TypeScript

Answer 1

// Floyd's triangle is a right-angled triangular of natural numbers
 
let rows: number = 7, n: number = 1;
  
for (let i: number = 1; i <= rows; i++) {
    let s: string = "";
    for (let j: number = 1; j <= i; j++, n++) {
        s += n + " ";
    }
    console.log(s);
}
 
 
/*
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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