Java学习之杨辉三角

 

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("");
}
}
}