View Code of Problem 3690

#include<stdio.h>
int data[]={0,0,1,7,4,2,6,8,16,18,22,26,28,68,88};
int data2[]={16,18,22,26,28,68,88};
int main()
{
    int T;
    scanf("%d",&T);
    while(T--)
    {
        int n;
        scanf("%d",&n);
        if(n<15)
            printf("%d\n",data[n]);
        else
        {
            printf("%d",data2[(n-15)%7]);
            for(int i=1;i<=(n-8)/7;i++)
            printf("8");
            printf("\n");
        }
    }
return 0;
}