Input a value for variable n, repeatedly print the value of n, decreasing it by 0.5 each time, as long as n remains positive

Question

using c++. this is for our subject. i hope some can help me

Answer 1

float n; std::cin >> n;

for (; n > 0; n -= 0.5)
std::cout << n << " ";

Answer 2

#include <iostream>
using namespace std;

int main() {
float n;
cout<<"Enter the number ";
cin>>n;
cout<<n<<":\n";
while(n >= 0){
cout<<n<<" ";
n -= 0.5;
}
return 0;
}

Answer 3

The answer is not bad but please indicate the flowchart always