pattern solution using c language--programming_info-problem 13

Pattern 1

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#include<stdio.h>
int main()
 {
    int i,j,k,l,n;

    scanf("%d",&n);

     for(k=i=1;i<=n;i++)
    {
        l=k+i-1;
        for(j=1;j<=i;j++)
       {
            if(i%2==1)
                printf("%d ",k);
            else
                printf("%d ",l);
            k++;
            l--;
        }
        printf("\n");
    }
     return 0;
}

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