21 lines
523 B
Java
21 lines
523 B
Java
public class Floyd {
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public static void main(String[] args){
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System.out.println("5 rows:");
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printTriangle(5);
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System.out.println("14 rows:");
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printTriangle(14);
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}
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private static void printTriangle(int n){
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for(int rowNum = 1, printMe = 1, numsPrinted = 0;
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rowNum <= n; printMe++){
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int cols = (int)Math.ceil(Math.log10(n*(n-1)/2 + numsPrinted + 2));
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System.out.printf("%"+cols+"d ", printMe);
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if(++numsPrinted == rowNum){
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System.out.println();
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rowNum++;
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numsPrinted = 0;
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}
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}
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}
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}
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