Why in rand(rand()) mistake?

Question

#include <iostream>
#include <cstdlib>
using namespace std;
int main() {
for (int x = 1; x <= 10; x++) {
cout << rand(rand()) << endl;
}
}

Answer 1

Дмитрий Макаров
Rand() function takes no arguments and returns an integer that is a random number between 0 and RAND_MAX. so, Rand() inside function is int which means outer Rand() considers int as argument resulting compiler error...