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loop1.java

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import java.util.Scanner;

public class loop1

{

public static void main(String[] args)

{

Scanner sc = new Scanner(System.in);

int no1 = sc.nextInt();

int i,n;

for(i=0;i<no1;i++)

{

for(n=0;n<=i-1;n++)

{

System.out.print("*");

}

System.out.print();

}

}

}