ACM 11689 - Soda Surpler

#include <stdio.h>

int main()
{
    int e, f, c, n;
    scanf("%d", &n);
    while (n --)
    {
        int total = 0, record;  
        scanf("%d %d %d", &e, &f, &c);
        e += f;
        for (; e > c;)
        {
            total += e / c;
            record = e / c;
            e = (e % c + record);
        }
        if (e == c) total ++;
        printf("%d\n", total);
    }
    return 0;
}

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