1)typedef size_t uint32;
mt19937 gen{ random_device()() };
uniform_int_distribution<uint32> uid(20, 100);
const uint32 N = 10;
int main()
{ uint32 arr[N], pos{0}, neg{0}; for (uint32 i = 0; i < N; ++i) { arr[i] = uid(gen); cout << arr[i] << " "; if (arr[i] % 2 == 0) ++pos; else ++neg; } cout << endl << pos << "/" << neg << endl; system("pause");
}2)typedef size_t uint32;
mt19937 gen{ random_device()() };
uniform_int_distribution<uint32> uid(0, 100);
const uint32 N = 10;
int main()
{ uint32 arr[N], lf{ 0 }, hf{ 0 }, sum1{ 0 }, sum2{ 0 }; for (uint32 i = 0; i < N; ++i) { arr[i] = uid(gen); cout << arr[i] << " "; if (arr[i] >= 50) { ++lf; sum1 += arr[i]; } else { ++hf; sum2 += arr[i]; } } cout << endl << sum1 / lf << "/" << sum2 / hf << endl; system("pause");
}