Code:
#include
void main()
{
int array[30], temp[30], i, j, k, l, num; //using 2 arrays
printf("Enter the number of lines to be printed: ");
scanf("%d", &num);
temp[0] = 1;
array[0] = 1;
for (j = 0; j < num; j++)
printf(" ");
printf(" 1\n");
for (i = 1; i < num; i++)
{
for (j = 0; j < i; j++)
printf(" ");
for (k = 1; k < num; k++)
{
array[k] = temp[k - 1] + temp[k];
}
array[i] = 1;
for (l = 0; l <= i; l++)
{
printf("%3d", array[l]);
temp[l] = array[l];
}
printf("\n");
}
}
Output:
Enter the number of lines to be printed: 4
1
1 1
1 2 1
1 3 3 1
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