int threefourths(int x) {
int w = sizeof(x) << 3;
int sx = x >> (w - 1); // all 0(s) or all 1(s)
int mod4 = x & 3;
int need_bias = (!sx && mod4 == 3) || (sx && mod4 == 1);
int neg_bias = (need_bias & sx) << (w - 1) >> (w - 1); // 0(s) or 1(s)
int pos_bias = need_bias; // 0 or 1
int bias = neg_bias | pos_bias;
return divide_power2(x, 1) + divide_power2(x, 2) + bias;
}
int main() {
int x, k;
printf(" x = ");
scanf("%d", &x);
printf(" k = ");
scanf("%d", &k);
printf("\n RESULT = %d \n", divide_power2(x, k));
return 0;
}
