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Number Pattern-2

Programme:

#include<stdio.h>
 
int main()
{
    int i,j,k;
    for(i=1;i<=5;i++)
    {
        for(j=1;j<=5;j++)
        {
            if(j<=i)
            {
                printf("%d",j);
            }
            else
            {
                printf(" ");
            }
        }
        for(j=5;j>=1;j--)
        {
            if(j<=i)
            {
                printf("%d",j);
            }
            else
            {
                printf(" ");
            }
        }
        printf("\n");
    }
    return 0;
}

Output:

1        1
12      21
123    321
1234  4321
1234554321