C++ 打印矩阵

#include <iostream>
#include <iomanip>
using namespace std;
int main()
{
int a[10][10] = {1};
for(int i = 0; i < 10 ;i ++)
{
for(int j = 0; j< 10 ; j++)
{
a[i][j] = 1 ;
}
}
for(int i = 2; i < 10 ;i ++)
{
for(int j = 2 ; j< 10 ; j++)
{
if(i + j > 10 )
a[i][j] = a[i][j-1] + a[i-1][j];
else
a[i][j] = 1;
//  cout<<a[i][j]<<"    ";
}
//     cout<<endl;
}
int tempi = 1, tempj = 1;
for(int s = 0 ; s < 10 ;s++)
{
for(int k = 0 ; k < 10 ; k++)
{
if(s + k  < 10)
{
cout<<setw(4)<<" ";
}
else
{
cout<<setw(4)<<a[s][k];
}
}
cout<<endl;
}
system("pause");
}