象这样编就可以了:
public class Test{ public static void main(String args[]){ System.out.println("dfkldshf;ahfkldsf'kad") ;
int[][] a = new int[7][7];
for(int i =0;i<7 ;i++){
for(int j=0;j<i;j++){
if(j==0||j==i){
a[i][j]=1; }else{
a[i][j]=a[i-1][j-1]+a[i-1][j] ;
}
}
}
for(int k =0;k<7;k++){
for(int m=0;m<k;m++){
System.out.print(a[k][m]);
}
System.out.println();
}
}
}怎么样?解决了吗?
public class Test{ public static void main(String args[]){ System.out.println("dfkldshf;ahfkldsf'kad") ;
int[][] a = new int[7][7];
for(int i =0;i<7 ;i++){
for(int j=0;j<i;j++){
if(j==0||j==i){
a[i][j]=1; }else{
a[i][j]=a[i-1][j-1]+a[i-1][j] ;
}
}
}
for(int k =0;k<7;k++){
for(int m=0;m<k;m++){
System.out.print(a[k][m]);
}
System.out.println();
}
}
}怎么样?解决了吗?
int[][] a = new int[7][7];
for(int i =0;i<7 ;i++){
for(int j=0;j<i;j++){
if(j==0||j==i){
a[i][j]=1; }else{
a[i][j]=a[i-1][j-1]+a[i-1][j] ;
}
}
}
for(int k =0;k<7;k++){
for(int m=0;m<k;m++){
System.out.print(a[k][m]);
}
System.out.println();
}
}
}
public static long[] getNextLevelNumbers(long[] numbers)
{
if (numbers == null)
return new long[] { 1 };
long[] tmp_numbers = new long[numbers.length+2];
for (int i = 0; i < numbers.length; i++){
tmp_numbers[i+1] = numbers[i];
}
long[] result = new long[numbers.length+1];
for (int i = 1; i < tmp_numbers.length; i++){
result[i-1] = tmp_numbers[i-1]+tmp_numbers[i];
}
return result;
}
public static void main(String args[])
{
int level = 50;
int m = 0;
long[] numbers = null;
while (m <= level)
{
numbers = getNextLevelNumbers(numbers);
for (int i = 0; i < numbers.length; i++)
{
System.out.print(numbers[i] + " ");
}
System.out.println("");
m++;
}
}
}
//作者:meteor135
//时间:2003.5.18
#include <iostream.h>
#include <iomanip.h>
int prompt()
{
int n;
cout<<"Input a positive number,"<<endl
<<"nonpositive will quit!"<<endl
<<"=:";
cin>>n;
cin.delbuf();
return n;
}void main()
{
int i,j,n; while((n=prompt())>0)
{
int **a=new int*[n]; for(i=0;i<n;i++)
{
a[i] = new int[i+1];
a[i][i]=a[i][0]=1;//这里稍做修改
for(j=1;j<i;j++)
{
a[i][j]=a[i-1][j]+a[i-1][j-1];
}
}
for (i=0;i<n;i++)
{
for(j=0;j<=i;j++)
cout<<setw(80/n)<<a[i][j];
cout<<endl;
delete[] a[i];
}
delete []a;
}
}
for(int i=1;i<21;i++)
{
int[] array = getArray(i);
int len = array.length;
for(int j=0;j<len;j++)
{
System.out.print(array[j] + " ");
}
System.out.println();
}
}
public static int[] getArray(int i)
{
if(i > 2)
{
int[] returnArray = new int[i];
int[] UpperArray = getArray(i-1);
returnArray[0] = UpperArray[0];
returnArray[returnArray.length - 1] = UpperArray[UpperArray.length - 1];
int len = returnArray.length - 1;
for(int j=1;j<len;j++)
{
returnArray[j] = UpperArray[j - 1] + UpperArray[j];
}
return returnArray;
}
else if(i == 2)
return new int[]{1,1};
else if(i == 1)
return new int[]{1};
else
throw new IllegalArgumentException("参数出错(必须>=1)");
}
}
public class Test { public static void main(String[] args) {
for(int i=1;i<21;i++)
{
int[] array = getArray(i);
int len = array.length;
for(int j=0;j<len;j++)
System.out.print(array[j] + " ");
System.out.println();
}
}
public static int[] getArray(int i)
{
if(i > 1)
{
int[] returnArray = new int[i];
int[] UpperArray = getArray(i-1);
returnArray[0] = UpperArray[0];
returnArray[returnArray.length - 1] = UpperArray[UpperArray.length - 1];
int len = returnArray.length - 1;
for(int j=1;j<len;j++)
returnArray[j] = UpperArray[j - 1] + UpperArray[j];
return returnArray;
}
else if(i == 1)
return new int[]{1};
else
throw new IllegalArgumentException("参数出错(必须>=1)");
}
}