Sample programs

Milk man and his bottles?

Program:

#include<stdio.h>
int main()
{
    int n,a[20],c[20]={0},i;
    scanf("%d",&n);
    for(i=0;i<n;i++)
    {
        scanf("%d",&a[i]);
        while(a[i]!=0)
        {
        if(a[i]>=10)
        {
            c[i]+=a[i]/10;
            a[i]=a[i]%10;;
        }
        else if(a[i]>=7)
        {
            c[i]+=a[i]/7;
            a[i]=a[i]%7;;
        }
        else if(a[i]>=5)
        {
            c[i]+=a[i]/5;
            a[i]=a[i]%5;;
        }
        else if(a[i]<5)
        {
            c[i]+=a[i]/1;
            a[i]=a[i]%1;;
        }
        }
    }
    for(i=0;i<n;i++)
    {
        printf("%d\n",c[i]);
    }
    return 0;
}