public class triangle {

public static void main(String args[]){

YHtriangle();

}

private static void YHtriangle(){

int n = 11;

int [][]trian = new int[100][100];

for(int i = 0; i < n; i++){

for(int j=0; j<i; j++){

if(i<2){

trian[i][j]=1;

}

else{

trian[i][0]=1;

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

trian[i][j]=trian[i-1][j-1]+trian[i-1][j];

}

trian[i][j]=1;

}

}

}

for(int i=0; i<n; i++){

//for(int count = 0; count<(n-i); count++){

// System.out.print(" ");

//}

for(int j=0; j<i; j++){

System.out.print(trian[i][j]+ " ");

}

System.out.println("");

}

}

}