fatma

#include <stdio.h>
#include <inttypes.h>
#include <stdlib.h>
static int64_t the_rolling_stones[] = { 39536, 36819, 31155, 89634, 79345, 63941 };

const static int N = sizeof(the_rolling_stones)/sizeof(*the_rolling_stones);

static void fail()
{
    puts("Nope!");
    exit(EXIT_FAILURE);
}
static void led_zeppelin(int64_t c, int64_t l, int64_t k)
{
    if ( c - k / 7 + 3 * l / 11 ) //c- (1624/7) + ((3*1441)/11) =0 ==>>> -c= - (1624/7) + ((3*1441)/11)
        fail();
}
static void guns_n_roses(int i, int64_t w)
{
    if (i<N)
    {
        if ((i % 2) == 0)
            guns_n_roses(++i, w);
        else{
            guns_n_roses(i + 1, w + the_rolling_stones[i]);

        }
    }
    else if (w != 158946)//c =31052+36819+
        fail();

}
static void the_beatles(int b, int64_t h)
{
    int64_t a = h;
    for(; b<N; ++b)
    {
        if (b % 2)
            continue;
        a *= the_rolling_stones[b];
    }
    if (a != 404765760) // 404765760= (8*31155*tab[4]=k) =>>> k= 404765760 / (8*31155)
        fail();
}
int main()
{
    int64_t c, l, k;
    printf("Please enter the right three numbers: ");
    fflush(stdout);
    if (scanf("%" SCNd64 " %" SCNd64 " %" SCNd64, &c, &l, &k) != 3)
        fail();
    the_rolling_stones[0] = c; // -161
    the_rolling_stones[5] = l;//1441
    the_rolling_stones[4] = k;//1624
    guns_n_roses(0, 31052);
    the_beatles(1, 8);
    led_zeppelin(c, l, k);
    puts("Exactly! Good job.");
}