SP. question4(pattern)

#include<stdio.h>
int main()
{
    int j,i,num;
    scanf("%d",&num);
    for(i=1; i<=num; i++)
    {
        for(i=1; i<=j; i++)
        {
            if(i%2!=0)
                printf("%d ",i);
        }
        printf("\n");
        for(j=1; j<=i; j++)
        {
            if(j%2==0)
                printf("%d ",j);
        }
        printf("\n");
    }
    return 0;
}