include <stdio.h> int main (){ int a[10][10],i,j;for(i=0;i<10;i++){ a[i][i]=1;a[i][0]=1;} for (i=2;i<10;i++)for (j=1;j<=i-1;j++)a[i][j]=a[i-1][j-1]+a[i-1][j];for(i=0;i<10;i++){ for (j=0;j<=i;j++)printf("%6d",a[...