class TrianguloPascal {
   public static void main(String [] args) {
      int trpascal[][];
      int gradomax = 10;
      trpascal= new int[gradomax][];
      //recorrer cada renglon
      for (int i=0; i < trpascal.length; i++) {
        trpascal[i]=new int[i+1];
      }
      //llenar el triangulo
      for (int i=0;i<trpascal.length; i++) { //renglones
         for (int j=0;j<trpascal[i].length;j++){
           if (j==0 || j==trpascal[i].length-1) {
             //en los extremos
             trpascal[i][j] =1;
           } else {
             trpascal[i][j] = trpascal[i-1][j-1]
             + trpascal[i-1][j];
           }//if
         }//for
      }//for
      //recorrer el triangulo
      for (int i=0;i<trpascal.length; i++) { //renglones
        for (int j=0;j<trpascal[i].length;j++){//columnas
          System.out.print(" "+trpascal[i][j]);
         }//for
         System.out.println();
      }//for
   }//main
}//TrianguloPascal