import java.io.InputStreamReader;
import java.io.BufferedReader;
public class eFloydsTraingle {
public static void main(String args[]) {
InputStreamReader in = new InputStreamReader(System.in);
BufferedReader reader = new BufferedReader(in);
int length = 0;
// get a number
System.out.println("Enter height of triangle : ");
try {
length = Integer.parseInt(reader.readLine());
} catch (Exception e) {
e.printStackTrace();
System.out.println("Out of memory");
return;
}
int fIndex = 1 ;
// print the triangle
for(int i=0 ; i < length ; ++i)
{
for(int j= 0 ; j <= i ; ++j){
System.out.print(fIndex++ + " ");
}
System.out.println();
}
}
}
import java.io.BufferedReader;
public class eFloydsTraingle {
public static void main(String args[]) {
InputStreamReader in = new InputStreamReader(System.in);
BufferedReader reader = new BufferedReader(in);
int length = 0;
// get a number
System.out.println("Enter height of triangle : ");
try {
length = Integer.parseInt(reader.readLine());
} catch (Exception e) {
e.printStackTrace();
System.out.println("Out of memory");
return;
}
int fIndex = 1 ;
// print the triangle
for(int i=0 ; i < length ; ++i)
{
for(int j= 0 ; j <= i ; ++j){
System.out.print(fIndex++ + " ");
}
System.out.println();
}
}
}
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