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leftTrianglePascal.java

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// *

// * *

// * * *

// * * * *

// * * *

// * *

// *

import java.util.Scanner;

public class p2{

public static void main(String[] args){

Scanner sc = new Scanner(System.in);

int n = sc.nextInt();

int rows = 2*n-1;

for (int i=1; i<=rows; i++){

if(n>=i){

for (int j=1; j<=rows-i; j++){

System.out.print(" ");

}

for (int j=1; j<=i; j++){

System.out.print("* ");

}

}

else {

for (int k=1; k<=i-1; k++){

System.out.print(" ");

}

for (int k=1; k<=rows-i+1; k++){

System.out.print("* ");

}

}

System.out.println();

}

}

}