find the biggest number from 3 numbers c 2b 2b

1#include <iostream>
2using namespace std;
3
4int main() {    
5    float n1, n2, n3;
6
7    cout << "Enter three numbers: ";
8    cin >> n1 >> n2 >> n3;
9
10    if(n1 >= n2 && n1 >= n3)
11        cout << "Largest number: " << n1;
12
13    if(n2 >= n1 && n2 >= n3)
14        cout << "Largest number: " << n2;
15    
16    if(n3 >= n1 && n3 >= n2)
17        cout << "Largest number: " << n3;
18  
19    return 0;
20}