Lỡ tay làm luôn, về text lại nha#include<stdio.h>
#include<conio.h>
main()
{
int n,i,a[100],t,j;
printf("\nNhap vao so phan tu : ");scanf("%d",&n);
for (i=0;i<n;i++)
{printf("\nNhap vao phan tu a[%d] : ",i);
scanf("%d",&a[i]);}
t=-1;
while (t<n-1)
{++t;
printf("\n");
printf("%d",a[t]);
for (i=t;i<n-1;i++)
{printf("\n");
for (j=t;j<=i+1;j++)
{printf("%d ",a[j]);
}}}
getch();
}