xt5-6.cpp

谭浩强所著C++课后的部分习题集解答(c++)

#include <iostream>
#include <iomanip>
using namespace std;
int main()
 {const int n=11;
  int i,j,a[n][n];
  for (i=1;i<n;i++)
    {a[i][i]=1;
     a[i][1]=1;
    }
  for (i=3;i<n;i++)
    for (j=2;j<=i-1;j++)
       a[i][j]=a[i-1][j-1]+a[i-1][j];
  for (i=1;i<n;i++)
    {for (j=1;j<=i;j++)
       cout<<setw(5)<<a[i][j]<<" ";
     cout<<endl;
    }
  cout<<endl;
  return 0;
}