#include<stdio.h>
#define N 20
void main() { int i,j,a[N],n;
a[0]=1; for ( i=1;i<N;i++ ) a[i]=0;
scanf("%d",&n); if ( n>=N ) n=N-1;
for ( i=0;i<n;i++ ) {
for ( j=0;j<n-i-1;j++ ) printf(" ");
printf("%6d",a[0]); for ( j=1;j<i+1;j++ ) printf("%6d",a[j]); printf("\n");
for ( j=i+2;j>0;j-- ) a[j]+=a[j-1];
}
}
温馨提示:内容为网友见解,仅供参考