program:
#include <stdio.h>
void main()
{
int array[15][15], i, j, rows, num = 25, k;
printf("n enter the number of rows:");
scanf("%d", &rows);
for (i = 0; i < rows; i++)
{
for (k = num - 2 * i; k >= 0; k--)
printf(" ");
for (j = 0; j <= i; j++)
{
if (j == 0 || i == j) {
array[i][j] = 1;
}
else {
array[i][j] = array[i - 1][j - 1] + array[i - 1][j];
}
printf("%4d", array[i][j]);
}
printf("n");
}
}
output:
enter the number of rows
5
1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
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